/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=0.4 --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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:07:54,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:07:54,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:07:54,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:07:54,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:07:54,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:07:54,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:07:54,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:07:54,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:07:54,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:07:54,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:07:54,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:07:54,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:07:54,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:07:54,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:07:54,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:07:54,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:07:54,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:07:54,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:07:54,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:07:54,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:07:54,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:07:54,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:07:54,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:07:54,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:07:54,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:07:54,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:07:54,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:07:54,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:07:54,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:07:54,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:07:54,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:07:54,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:07:54,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:07:54,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:07:54,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:07:54,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:07:54,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:07:54,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:07:54,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:07:54,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:07:54,136 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 05:07:54,197 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:07:54,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:07:54,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:07:54,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:07:54,200 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:07:54,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:07:54,201 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:07:54,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:07:54,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:07:54,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:07:54,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:07:54,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:07:54,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:07:54,203 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:07:54,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:07:54,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:07:54,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:07:54,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:07:54,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:07:54,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:07:54,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:07:54,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:07:54,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:07:54,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:07:54,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:07:54,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:07:54,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:07:54,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:07:54,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:07:54,207 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 05:07:54,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:07:54,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:07:54,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:07:54,737 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:07:54,737 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:07:54,738 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-25 05:07:54,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0672db63/c8c67c8950dd48e0ab48273ac124ea4c/FLAG46aeaa965 [2020-09-25 05:07:55,454 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:07:55,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-25 05:07:55,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0672db63/c8c67c8950dd48e0ab48273ac124ea4c/FLAG46aeaa965 [2020-09-25 05:07:55,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0672db63/c8c67c8950dd48e0ab48273ac124ea4c [2020-09-25 05:07:55,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:07:55,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:07:55,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:07:55,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:07:55,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:07:55,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:55" (1/1) ... [2020-09-25 05:07:55,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:55, skipping insertion in model container [2020-09-25 05:07:55,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:55" (1/1) ... [2020-09-25 05:07:55,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:07:55,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:07:56,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:07:56,391 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:07:56,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:07:56,552 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:07:56,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56 WrapperNode [2020-09-25 05:07:56,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:07:56,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:07:56,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:07:56,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:07:56,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56" (1/1) ... [2020-09-25 05:07:56,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56" (1/1) ... [2020-09-25 05:07:56,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56" (1/1) ... [2020-09-25 05:07:56,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56" (1/1) ... [2020-09-25 05:07:56,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56" (1/1) ... [2020-09-25 05:07:56,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56" (1/1) ... [2020-09-25 05:07:56,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56" (1/1) ... [2020-09-25 05:07:56,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:07:56,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:07:56,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:07:56,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:07:56,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56" (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 05:07:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:07:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:07:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:07:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:07:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:07:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:07:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:07:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:07:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:07:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:07:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:07:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:07:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:07:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:07:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:07:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:07:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:07:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:07:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:07:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 05:07:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:07:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:07:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:07:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:07:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:07:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:07:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:07:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:07:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 05:07:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:07:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:07:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:07:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:07:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:07:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:07:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:07:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:07:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:07:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:07:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:07:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:07:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:07:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:07:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:07:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:07:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:07:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:07:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:07:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:07:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:07:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:07:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:07:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:07:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:07:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:07:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:07:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:07:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:07:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:07:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:07:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:07:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:07:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:07:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:07:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:07:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:07:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:07:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:07:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:07:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:07:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:07:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:07:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 05:07:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:07:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:07:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:07:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 05:07:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:07:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:07:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:07:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:07:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:07:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:07:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:07:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:07:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:07:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:07:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:07:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:07:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:07:58,120 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:07:58,120 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:07:58,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:58 BoogieIcfgContainer [2020-09-25 05:07:58,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:07:58,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:07:58,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:07:58,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:07:58,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:07:55" (1/3) ... [2020-09-25 05:07:58,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:07:58, skipping insertion in model container [2020-09-25 05:07:58,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:56" (2/3) ... [2020-09-25 05:07:58,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:07:58, skipping insertion in model container [2020-09-25 05:07:58,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:58" (3/3) ... [2020-09-25 05:07:58,138 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-09-25 05:07:58,150 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:07:58,163 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:07:58,187 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:07:58,224 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:07:58,225 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:07:58,225 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:07:58,225 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:07:58,225 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:07:58,225 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:07:58,226 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:07:58,226 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:07:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states. [2020-09-25 05:07:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 05:07:58,276 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:07:58,278 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 05:07:58,279 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:07:58,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:07:58,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1731380127, now seen corresponding path program 1 times [2020-09-25 05:07:58,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:07:58,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039385344] [2020-09-25 05:07:58,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:07:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:58,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:59,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:00,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:01,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:03,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:03,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 05:08:03,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:08:03,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 05:08:03,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:03,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 05:08:03,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:03,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:08:04,171 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:04,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:08:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:04,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:04,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:04,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:08:04,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:04,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 05:08:04,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:04,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:04,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:04,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:08:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:04,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:04,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:04,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:04,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:04,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:04,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:04,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:04,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:08:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:04,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:04,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:04,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:04,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:04,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:04,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:04,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:04,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:04,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:08:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:04,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:04,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:04,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:04,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:04,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:08:04,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:04,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:04,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:04,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:08:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:04,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:04,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:04,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:04,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:04,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:04,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:04,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:04,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:04,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:08:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:04,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:04,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:04,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:04,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:04,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:04,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:04,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:04,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:08:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:04,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:04,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:04,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:04,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:04,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:04,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:04,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:04,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:04,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:04,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-09-25 05:08:04,494 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 05:08:04,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039385344] [2020-09-25 05:08:04,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:08:04,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:08:04,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446754260] [2020-09-25 05:08:04,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:08:04,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:08:04,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:08:04,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:08:04,534 INFO L87 Difference]: Start difference. First operand 301 states. Second operand 3 states. [2020-09-25 05:08:05,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:08:06,000 INFO L93 Difference]: Finished difference Result 469 states and 565 transitions. [2020-09-25 05:08:06,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:08:06,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 05:08:06,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:08:06,035 INFO L225 Difference]: With dead ends: 469 [2020-09-25 05:08:06,035 INFO L226 Difference]: Without dead ends: 293 [2020-09-25 05:08:06,042 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 05:08:06,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-25 05:08:06,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 250. [2020-09-25 05:08:06,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-09-25 05:08:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 274 transitions. [2020-09-25 05:08:06,166 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 274 transitions. Word has length 142 [2020-09-25 05:08:06,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:08:06,168 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 274 transitions. [2020-09-25 05:08:06,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:08:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 274 transitions. [2020-09-25 05:08:06,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 05:08:06,172 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:08:06,178 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 05:08:06,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:08:06,179 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:08:06,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:08:06,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1802899924, now seen corresponding path program 1 times [2020-09-25 05:08:06,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:08:06,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417832941] [2020-09-25 05:08:06,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:08:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:06,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:06,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:08,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:08,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:09,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:11,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:11,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 05:08:11,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:08:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 05:08:11,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:11,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:11,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 05:08:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:08:11,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:11,568 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:11,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:08:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:11,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:11,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:11,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:08:11,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 05:08:11,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:11,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:11,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:11,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:08:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:11,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:11,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:11,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:11,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:11,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:11,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:11,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:11,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:08:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:11,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:11,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:11,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:11,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:11,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:11,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:11,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:11,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:11,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:11,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:11,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:08:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:11,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:11,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:11,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:11,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:11,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:08:11,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:11,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:11,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:11,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:08:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:11,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:11,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:11,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:11,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:11,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:11,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:11,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:11,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:11,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:08:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:11,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:11,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:11,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:11,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:11,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:11,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:11,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:08:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:11,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:11,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:11,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:11,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:11,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:11,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:11,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:11,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:11,806 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 05:08:11,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417832941] [2020-09-25 05:08:11,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:08:11,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:08:11,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158506388] [2020-09-25 05:08:11,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:08:11,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:08:11,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:08:11,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:08:11,819 INFO L87 Difference]: Start difference. First operand 250 states and 274 transitions. Second operand 4 states. [2020-09-25 05:08:12,528 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:13,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:08:13,683 INFO L93 Difference]: Finished difference Result 380 states and 432 transitions. [2020-09-25 05:08:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:08:13,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 05:08:13,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:08:13,689 INFO L225 Difference]: With dead ends: 380 [2020-09-25 05:08:13,689 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 05:08:13,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:08:13,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 05:08:13,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 240. [2020-09-25 05:08:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-09-25 05:08:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 261 transitions. [2020-09-25 05:08:13,739 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 261 transitions. Word has length 143 [2020-09-25 05:08:13,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:08:13,740 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 261 transitions. [2020-09-25 05:08:13,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:08:13,740 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 261 transitions. [2020-09-25 05:08:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 05:08:13,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:08:13,743 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 05:08:13,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:08:13,744 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:08:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:08:13,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1907592051, now seen corresponding path program 1 times [2020-09-25 05:08:13,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:08:13,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077635334] [2020-09-25 05:08:13,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:08:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:13,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:14,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:15,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:18,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:18,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 05:08:18,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:08:18,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 05:08:18,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:18,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:18,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:08:18,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 05:08:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 05:08:18,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:19,229 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:19,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:08:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:19,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:19,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:19,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:08:19,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:19,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-25 05:08:19,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:19,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 05:08:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:19,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:08:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:19,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:19,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:19,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:19,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:19,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:19,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:19,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:19,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:19,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:19,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:08:19,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:19,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:08:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:19,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:19,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:19,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:19,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:19,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:19,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:19,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:08:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:19,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:08:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:19,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:19,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:19,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:19,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:19,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:08:19,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:19,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:19,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:19,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:19,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:08:19,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:19,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:08:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:19,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:19,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:19,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:19,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:19,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:19,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:19,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:08:19,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:19,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:08:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:19,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:19,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:19,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:19,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:19,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:19,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:19,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:19,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:19,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:19,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:19,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:19,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 05:08:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:19,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:19,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:19,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:19,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:19,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:19,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:19,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:19,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:19,635 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 05:08:19,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077635334] [2020-09-25 05:08:19,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:08:19,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:08:19,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125035760] [2020-09-25 05:08:19,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:08:19,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:08:19,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:08:19,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:08:19,638 INFO L87 Difference]: Start difference. First operand 240 states and 261 transitions. Second operand 5 states. [2020-09-25 05:08:20,330 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:08:21,230 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:22,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:08:22,958 INFO L93 Difference]: Finished difference Result 631 states and 734 transitions. [2020-09-25 05:08:22,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:08:22,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 05:08:22,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:08:22,970 INFO L225 Difference]: With dead ends: 631 [2020-09-25 05:08:22,970 INFO L226 Difference]: Without dead ends: 501 [2020-09-25 05:08:22,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:08:22,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-09-25 05:08:23,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 434. [2020-09-25 05:08:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-09-25 05:08:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 490 transitions. [2020-09-25 05:08:23,088 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 490 transitions. Word has length 152 [2020-09-25 05:08:23,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:08:23,089 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 490 transitions. [2020-09-25 05:08:23,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:08:23,089 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 490 transitions. [2020-09-25 05:08:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:08:23,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:08:23,093 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 05:08:23,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:08:23,093 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:08:23,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:08:23,094 INFO L82 PathProgramCache]: Analyzing trace with hash 903554745, now seen corresponding path program 1 times [2020-09-25 05:08:23,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:08:23,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224170060] [2020-09-25 05:08:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:08:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:23,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:24,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:27,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:28,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:28,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 05:08:28,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:08:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:08:28,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:28,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:08:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 05:08:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:08:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:28,550 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:28,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:08:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:28,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:28,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:28,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:08:28,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:28,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 05:08:28,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:28,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:28,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:28,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:08:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:28,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:28,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:28,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:28,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:28,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:28,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:28,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:28,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:28,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:28,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:28,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:28,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:08:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:28,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:28,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:28,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:28,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:28,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:28,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:28,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:28,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:28,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:08:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:28,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:28,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:28,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:28,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:28,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:08:28,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:28,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:28,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:28,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:28,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:28,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:28,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:08:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:28,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:28,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:28,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:28,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:28,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:28,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:28,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:28,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 05:08:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:28,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:28,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:28,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:08:28,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:28,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:08:28,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:28,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:28,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:28,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:08:28,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:08:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:28,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:28,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:28,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:28,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:28,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:08:28,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:28,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:08:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:28,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 05:08:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:28,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:28,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:28,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:28,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:28,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 05:08:28,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:28,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:28,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:08:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:08:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:28,881 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 05:08:28,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224170060] [2020-09-25 05:08:28,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:08:28,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:08:28,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521605818] [2020-09-25 05:08:28,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:08:28,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:08:28,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:08:28,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:08:28,884 INFO L87 Difference]: Start difference. First operand 434 states and 490 transitions. Second operand 9 states. [2020-09-25 05:08:29,401 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:30,562 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:30,905 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:08:31,242 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:08:31,599 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:08:31,889 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:08:32,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:08:32,085 INFO L93 Difference]: Finished difference Result 680 states and 796 transitions. [2020-09-25 05:08:32,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:08:32,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 05:08:32,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:08:32,087 INFO L225 Difference]: With dead ends: 680 [2020-09-25 05:08:32,087 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:08:32,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:08:32,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:08:32,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:08:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:08:32,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:08:32,091 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 05:08:32,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:08:32,092 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:08:32,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:08:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:08:32,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:08:32,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:08:32,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:08:32,241 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 05:08:32,414 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:32,578 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:32,741 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:32,907 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,071 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,241 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,408 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,567 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,738 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,909 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:34,022 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 05:08:34,150 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 05:08:34,271 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 05:08:34,413 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:34,577 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:34,731 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:34,884 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:35,033 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:35,193 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:35,346 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:35,494 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:35,648 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:35,804 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:35,957 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:36,114 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:36,262 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:36,416 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:36,575 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:36,733 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:36,880 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:37,033 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,187 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,339 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,494 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,646 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,799 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:38,123 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:08:38,369 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:08:38,688 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:08:38,936 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:08:39,101 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:39,274 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:39,535 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:39,688 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:39,840 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:39,992 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:40,142 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:40,296 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:40,456 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:40,616 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:40,769 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:40,940 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:41,090 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:41,242 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:41,397 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:41,551 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:41,704 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:41,859 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:42,012 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:42,165 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:42,319 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:42,639 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:08:42,885 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:08:43,202 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:08:43,447 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2020-09-25 05:08:43,895 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 05:08:44,100 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22