/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:26:11,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:26:11,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:26:11,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:26:11,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:26:11,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:26:11,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:26:11,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:26:11,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:26:11,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:26:11,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:26:11,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:26:11,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:26:11,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:26:11,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:26:11,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:26:11,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:26:11,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:26:11,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:26:11,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:26:11,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:26:11,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:26:11,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:26:11,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:26:11,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:26:11,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:26:11,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:26:11,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:26:11,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:26:11,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:26:11,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:26:11,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:26:11,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:26:11,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:26:11,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:26:11,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:26:11,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:26:11,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:26:11,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:26:11,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:26:11,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:26:11,310 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 07:26:11,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:26:11,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:26:11,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:26:11,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:26:11,354 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:26:11,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:26:11,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:26:11,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:26:11,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:26:11,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:26:11,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:26:11,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:26:11,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:26:11,355 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:26:11,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:26:11,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:26:11,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:26:11,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:26:11,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:26:11,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:26:11,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:26:11,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:26:11,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:26:11,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:26:11,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:26:11,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:26:11,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:26:11,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:26:11,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:26:11,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:26:11,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:26:11,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:26:11,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:26:11,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:26:11,837 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:26:11,838 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2020-09-25 07:26:11,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d255f774/803cfbdd621f40cd8baac6b2924a4e18/FLAGe1343dd39 [2020-09-25 07:26:12,525 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:26:12,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2020-09-25 07:26:12,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d255f774/803cfbdd621f40cd8baac6b2924a4e18/FLAGe1343dd39 [2020-09-25 07:26:12,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d255f774/803cfbdd621f40cd8baac6b2924a4e18 [2020-09-25 07:26:12,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:26:12,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:26:12,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:26:12,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:26:12,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:26:12,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:26:12" (1/1) ... [2020-09-25 07:26:12,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:12, skipping insertion in model container [2020-09-25 07:26:12,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:26:12" (1/1) ... [2020-09-25 07:26:12,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:26:12,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:26:13,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:26:13,480 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:26:13,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:26:13,627 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:26:13,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13 WrapperNode [2020-09-25 07:26:13,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:26:13,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:26:13,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:26:13,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:26:13,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13" (1/1) ... [2020-09-25 07:26:13,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13" (1/1) ... [2020-09-25 07:26:13,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13" (1/1) ... [2020-09-25 07:26:13,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13" (1/1) ... [2020-09-25 07:26:13,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13" (1/1) ... [2020-09-25 07:26:13,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13" (1/1) ... [2020-09-25 07:26:13,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13" (1/1) ... [2020-09-25 07:26:13,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:26:13,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:26:13,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:26:13,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:26:13,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13" (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 07:26:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:26:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:26:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:26:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:26:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:26:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:26:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:26:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:26:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:26:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:26:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:26:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:26:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:26:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:26:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:26:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:26:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:26:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:26:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:26:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:26:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:26:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:26:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 07:26:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:26:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 07:26:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:26:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:26:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:26:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:26:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:26:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:26:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:26:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:26:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:26:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:26:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:26:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:26:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:26:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:26:13,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:26:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:26:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:26:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:26:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:26:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:26:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:26:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:26:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:26:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:26:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:26:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:26:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:26:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:26:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:26:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:26:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:26:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:26:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:26:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:26:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:26:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:26:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:26:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:26:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:26:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:26:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:26:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:26:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:26:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:26:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:26:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:26:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:26:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 07:26:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:26:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 07:26:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:26:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:26:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:26:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:26:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:26:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:26:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:26:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:26:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:26:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:26:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:26:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:26:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:26:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:26:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:26:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:26:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:26:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:26:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:26:14,980 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:26:14,980 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:26:14,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:26:14 BoogieIcfgContainer [2020-09-25 07:26:14,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:26:14,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:26:14,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:26:14,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:26:14,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:26:12" (1/3) ... [2020-09-25 07:26:14,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfe763c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:26:14, skipping insertion in model container [2020-09-25 07:26:14,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:26:13" (2/3) ... [2020-09-25 07:26:14,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfe763c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:26:14, skipping insertion in model container [2020-09-25 07:26:14,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:26:14" (3/3) ... [2020-09-25 07:26:14,998 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2020-09-25 07:26:15,009 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:26:15,021 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:26:15,044 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:26:15,076 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:26:15,076 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:26:15,076 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:26:15,076 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:26:15,076 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:26:15,076 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:26:15,077 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:26:15,077 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:26:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-09-25 07:26:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:26:15,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:26:15,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:26:15,127 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:26:15,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:26:15,136 INFO L82 PathProgramCache]: Analyzing trace with hash 736300946, now seen corresponding path program 1 times [2020-09-25 07:26:15,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:26:15,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691840707] [2020-09-25 07:26:15,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:26:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:15,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:15,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:17,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:18,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:20,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:20,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:26:20,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:26:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 07:26:20,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:20,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:26:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:20,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 07:26:20,979 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:20,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:26:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:21,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:21,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:21,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:26:21,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:21,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 07:26:21,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:21,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:21,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:21,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:26:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:21,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:21,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:21,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:21,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:21,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:26:21,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:21,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:21,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:21,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:21,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:21,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:21,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:26:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:21,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:21,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:21,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:21,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:21,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:26:21,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:21,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:21,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:21,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:26:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:21,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:21,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:21,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:21,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:21,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:26:21,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:21,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:21,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:21,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:21,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:21,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:26:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:21,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:21,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:21,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:21,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:21,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:26:21,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:21,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:21,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:21,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:21,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:21,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:21,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:26:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:21,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:21,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:21,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:21,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:26:21,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:21,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:21,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:21,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:26:21,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:21,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:21,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:26:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:21,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:21,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:21,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:21,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:26:21,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:21,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:26:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:21,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:21,295 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 07:26:21,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691840707] [2020-09-25 07:26:21,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:26:21,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:26:21,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697571003] [2020-09-25 07:26:21,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:26:21,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:26:21,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:26:21,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:26:21,329 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 3 states. [2020-09-25 07:26:22,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:26:22,762 INFO L93 Difference]: Finished difference Result 469 states and 565 transitions. [2020-09-25 07:26:22,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:26:22,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:26:22,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:26:22,787 INFO L225 Difference]: With dead ends: 469 [2020-09-25 07:26:22,787 INFO L226 Difference]: Without dead ends: 293 [2020-09-25 07:26:22,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:26:22,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-25 07:26:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 250. [2020-09-25 07:26:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-09-25 07:26:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 274 transitions. [2020-09-25 07:26:22,915 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 274 transitions. Word has length 142 [2020-09-25 07:26:22,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:26:22,916 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 274 transitions. [2020-09-25 07:26:22,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:26:22,916 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 274 transitions. [2020-09-25 07:26:22,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:26:22,922 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:26:22,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:26:22,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:26:22,925 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:26:22,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:26:22,925 INFO L82 PathProgramCache]: Analyzing trace with hash 148109173, now seen corresponding path program 1 times [2020-09-25 07:26:22,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:26:22,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319664437] [2020-09-25 07:26:22,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:26:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:23,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:23,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:24,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:25,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:26,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:28,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:28,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:26:28,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:26:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 07:26:28,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:28,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:26:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:26:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:26:28,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:28,367 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:28,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:26:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:28,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:28,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:26:28,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 07:26:28,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:28,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:28,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:28,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:26:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:28,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:28,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:28,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:26:28,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:28,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:28,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:26:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:28,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:28,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:28,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:28,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:26:28,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:28,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:28,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:28,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:28,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:26:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:28,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:28,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:28,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:28,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:28,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:26:28,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:28,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:28,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:28,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:26:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:28,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:28,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:28,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:28,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:28,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:26:28,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:28,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:28,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:26:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:28,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:28,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:28,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:28,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:28,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:26:28,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:28,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:26:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:28,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:26:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:28,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:28,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:28,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:28,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:28,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:26:28,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:28,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:26:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:28,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:28,592 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 07:26:28,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319664437] [2020-09-25 07:26:28,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:26:28,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:26:28,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502013114] [2020-09-25 07:26:28,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:26:28,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:26:28,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:26:28,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:26:28,600 INFO L87 Difference]: Start difference. First operand 250 states and 274 transitions. Second operand 4 states. [2020-09-25 07:26:29,293 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:30,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:26:30,389 INFO L93 Difference]: Finished difference Result 380 states and 432 transitions. [2020-09-25 07:26:30,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:26:30,390 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:26:30,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:26:30,395 INFO L225 Difference]: With dead ends: 380 [2020-09-25 07:26:30,395 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 07:26:30,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:26:30,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 07:26:30,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 240. [2020-09-25 07:26:30,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-09-25 07:26:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 261 transitions. [2020-09-25 07:26:30,442 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 261 transitions. Word has length 143 [2020-09-25 07:26:30,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:26:30,443 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 261 transitions. [2020-09-25 07:26:30,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:26:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 261 transitions. [2020-09-25 07:26:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 07:26:30,446 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:26:30,447 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] [2020-09-25 07:26:30,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:26:30,447 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:26:30,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:26:30,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1734118443, now seen corresponding path program 1 times [2020-09-25 07:26:30,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:26:30,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126465852] [2020-09-25 07:26:30,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:26:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:30,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:31,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:32,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:35,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:35,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 07:26:35,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:26:35,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 07:26:35,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:35,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:26:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 07:26:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 07:26:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:35,872 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:35,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:26:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:35,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:36,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:26:36,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 07:26:36,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:36,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:26:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 07:26:36,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:36,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:26:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:36,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:36,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:36,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:36,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:36,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:26:36,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:36,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:26:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:36,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:26:36,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:36,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:26:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:36,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:36,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:36,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:36,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:36,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:26:36,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:36,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:26:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:36,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:26:36,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:36,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:26:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:36,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:36,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:36,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:36,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:36,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:26:36,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:36,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:36,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:26:36,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:36,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:26:36,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:26:36,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:26:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:36,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:36,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:36,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:36,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:36,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:26:36,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:36,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:36,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:26:36,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:36,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:26:36,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:26:36,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:26:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:36,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:36,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:36,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:36,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:36,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:26:36,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:36,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:26:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:36,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:36,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 07:26:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:36,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:36,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:36,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:36,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:36,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:26:36,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:36,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:36,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:36,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:26:36,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:36,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:36,305 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 07:26:36,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126465852] [2020-09-25 07:26:36,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:26:36,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:26:36,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340429881] [2020-09-25 07:26:36,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:26:36,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:26:36,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:26:36,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:26:36,308 INFO L87 Difference]: Start difference. First operand 240 states and 261 transitions. Second operand 5 states. [2020-09-25 07:26:36,772 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:37,536 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:39,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:26:39,308 INFO L93 Difference]: Finished difference Result 631 states and 734 transitions. [2020-09-25 07:26:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:26:39,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 07:26:39,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:26:39,316 INFO L225 Difference]: With dead ends: 631 [2020-09-25 07:26:39,316 INFO L226 Difference]: Without dead ends: 501 [2020-09-25 07:26:39,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:26:39,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-09-25 07:26:39,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 434. [2020-09-25 07:26:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-09-25 07:26:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 490 transitions. [2020-09-25 07:26:39,421 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 490 transitions. Word has length 152 [2020-09-25 07:26:39,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:26:39,421 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 490 transitions. [2020-09-25 07:26:39,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:26:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 490 transitions. [2020-09-25 07:26:39,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:26:39,430 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:26:39,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:26:39,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:26:39,430 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:26:39,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:26:39,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1738155253, now seen corresponding path program 1 times [2020-09-25 07:26:39,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:26:39,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095549530] [2020-09-25 07:26:39,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:26:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:39,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:40,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:40,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:43,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:44,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:44,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 07:26:44,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:26:44,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 07:26:44,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:44,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:26:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 07:26:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 07:26:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:44,838 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:44,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:26:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:44,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:44,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:44,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:26:44,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:44,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 07:26:44,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:44,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:44,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:44,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:26:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:44,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:44,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:44,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:44,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:26:44,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:44,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:44,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:44,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:26:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:44,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:45,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:45,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:45,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:45,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:26:45,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:45,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:45,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:45,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:26:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:45,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:45,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:45,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:45,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:45,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:26:45,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:45,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:45,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:45,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:26:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:45,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:45,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:45,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:26:45,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:45,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:26:45,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:45,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:45,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:26:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:26:45,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:45,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 07:26:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:45,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:45,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:45,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:26:45,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:45,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:26:45,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:45,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:45,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:26:45,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:45,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:26:45,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:26:45,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:26:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:45,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:45,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:45,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:45,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:45,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:26:45,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:45,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:26:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:26:45,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:26:45,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 07:26:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:26:45,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:26:45,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:26:45,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:26:45,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:26:45,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 07:26:45,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:26:45,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:26:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:26:45,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:26:45,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:26:45,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:26:45,137 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 07:26:45,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095549530] [2020-09-25 07:26:45,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:26:45,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:26:45,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412044247] [2020-09-25 07:26:45,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:26:45,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:26:45,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:26:45,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:26:45,140 INFO L87 Difference]: Start difference. First operand 434 states and 490 transitions. Second operand 9 states. [2020-09-25 07:26:45,835 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:47,201 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:47,462 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:26:47,753 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:26:48,109 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 07:26:48,424 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:26:48,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:26:48,626 INFO L93 Difference]: Finished difference Result 680 states and 796 transitions. [2020-09-25 07:26:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:26:48,627 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 07:26:48,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:26:48,629 INFO L225 Difference]: With dead ends: 680 [2020-09-25 07:26:48,629 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:26:48,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 07:26:48,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:26:48,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:26:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:26:48,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:26:48,634 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 07:26:48,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:26:48,634 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:26:48,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:26:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:26:48,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:26:48,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:26:48,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:26:48,794 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 07:26:48,970 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:49,153 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:49,358 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:49,638 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:49,980 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:50,239 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:50,566 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:50,719 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:50,872 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:51,039 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:51,191 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:51,345 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:51,498 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:51,647 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:51,796 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:51,949 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:52,103 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:52,261 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:52,414 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:52,567 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:52,716 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:52,874 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:53,027 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:53,180 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:53,333 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:53,486 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:53,635 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:53,789 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:53,942 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:54,095 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:54,243 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:54,401 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:54,556 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:54,709 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:54,857 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:55,009 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:55,177 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:55,329 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:55,434 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 07:26:55,694 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:55,846 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:56,006 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:56,261 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:56,579 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:56,817 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2020-09-25 07:26:57,139 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:57,293 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:57,543 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:57,695 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:57,848 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:57,997 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:58,150 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:58,401 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:58,554 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:58,707 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:58,866 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:59,019 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:59,172 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:59,325 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:59,473 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:59,625 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:59,781 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:59,945 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:27:00,380 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 07:27:00,609 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 07:27:01,105 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-25 07:27:01,317 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 07:27:01,539 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-25 07:27:01,824 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:27:02,028 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1