/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=DEEPEST --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_spec4_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:45:49,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:45:49,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:45:49,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:45:49,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:45:49,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:45:49,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:45:49,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:45:49,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:45:49,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:45:49,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:45:49,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:45:49,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:45:49,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:45:49,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:45:49,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:45:49,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:45:49,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:45:49,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:45:49,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:45:49,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:45:49,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:45:49,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:45:49,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:45:49,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:45:49,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:45:49,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:45:49,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:45:49,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:45:49,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:45:49,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:45:49,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:45:49,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:45:49,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:45:49,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:45:49,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:45:49,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:45:49,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:45:49,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:45:49,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:45:49,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:45:49,203 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 00:45:49,255 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:45:49,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:45:49,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:45:49,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:45:49,258 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:45:49,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:45:49,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:45:49,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:45:49,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:45:49,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:45:49,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:45:49,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:45:49,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:45:49,263 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:45:49,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:45:49,263 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:45:49,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:45:49,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:45:49,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:45:49,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:45:49,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:45:49,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:45:49,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:45:49,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:45:49,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:45:49,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:45:49,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:45:49,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:45:49,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:45:49,267 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:45:49,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:45:49,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:45:49,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:45:49,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:45:49,737 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:45:49,738 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c [2020-09-25 00:45:49,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b68bebab5/dc8cc3901e464474b1c41d4085dcb815/FLAG391d746ac [2020-09-25 00:45:50,478 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:45:50,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c [2020-09-25 00:45:50,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b68bebab5/dc8cc3901e464474b1c41d4085dcb815/FLAG391d746ac [2020-09-25 00:45:50,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b68bebab5/dc8cc3901e464474b1c41d4085dcb815 [2020-09-25 00:45:50,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:45:50,761 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:45:50,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:45:50,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:45:50,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:45:50,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:45:50" (1/1) ... [2020-09-25 00:45:50,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50, skipping insertion in model container [2020-09-25 00:45:50,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:45:50" (1/1) ... [2020-09-25 00:45:50,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:45:50,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:45:51,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:45:51,317 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:45:51,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:45:51,482 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:45:51,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51 WrapperNode [2020-09-25 00:45:51,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:45:51,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:45:51,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:45:51,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:45:51,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51" (1/1) ... [2020-09-25 00:45:51,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51" (1/1) ... [2020-09-25 00:45:51,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51" (1/1) ... [2020-09-25 00:45:51,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51" (1/1) ... [2020-09-25 00:45:51,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51" (1/1) ... [2020-09-25 00:45:51,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51" (1/1) ... [2020-09-25 00:45:51,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51" (1/1) ... [2020-09-25 00:45:51,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:45:51,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:45:51,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:45:51,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:45:51,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51" (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 00:45:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:45:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:45:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:45:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:45:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:45:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:45:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:45:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:45:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:45:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:45:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:45:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:45:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:45:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:45:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:45:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:45:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:45:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:45:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:45:51,670 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:45:51,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 00:45:51,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:45:51,670 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:45:51,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:45:51,671 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:45:51,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:45:51,671 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:45:51,671 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:45:51,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:45:51,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:45:51,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:45:51,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:45:51,672 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:45:51,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:45:51,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:45:51,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:45:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:45:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:45:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:45:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:45:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:45:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:45:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:45:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:45:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:45:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:45:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:45:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:45:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:45:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:45:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:45:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:45:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:45:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:45:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:45:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:45:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:45:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:45:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:45:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:45:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:45:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:45:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:45:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:45:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:45:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:45:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:45:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:45:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:45:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:45:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:45:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:45:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 00:45:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:45:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:45:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:45:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:45:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:45:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:45:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:45:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:45:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:45:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:45:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:45:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:45:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:45:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:45:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:45:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:45:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:45:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:45:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:45:52,891 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:45:52,892 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:45:52,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:45:52 BoogieIcfgContainer [2020-09-25 00:45:52,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:45:52,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:45:52,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:45:52,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:45:52,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:45:50" (1/3) ... [2020-09-25 00:45:52,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f055d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:45:52, skipping insertion in model container [2020-09-25 00:45:52,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:51" (2/3) ... [2020-09-25 00:45:52,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f055d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:45:52, skipping insertion in model container [2020-09-25 00:45:52,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:45:52" (3/3) ... [2020-09-25 00:45:52,909 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product42.cil.c [2020-09-25 00:45:52,921 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:45:52,933 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:45:52,955 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:45:52,987 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:45:52,987 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:45:52,987 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:45:52,988 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:45:52,988 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:45:52,988 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:45:52,988 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:45:52,988 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:45:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-25 00:45:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 00:45:53,032 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:45:53,034 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 00:45:53,035 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:45:53,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:45:53,041 INFO L82 PathProgramCache]: Analyzing trace with hash -66701350, now seen corresponding path program 1 times [2020-09-25 00:45:53,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:45:53,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81565182] [2020-09-25 00:45:53,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:45:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:53,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:53,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:55,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:56,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:58,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:58,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 00:45:58,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:45:58,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 00:45:58,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:45:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-25 00:45:58,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:45:58,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 00:45:58,947 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:45:58,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:45:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:59,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:59,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:59,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:45:59,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:59,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-25 00:45:59,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:59,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:59,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:59,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:59,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:45:59,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:45:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:59,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:59,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:59,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:45:59,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:59,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:45:59,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:59,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:59,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:59,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:59,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:45:59,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:45:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:59,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:59,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:59,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:45:59,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:59,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:45:59,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:59,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:59,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:45:59,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:45:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:59,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:59,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:59,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:45:59,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:59,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:45:59,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:59,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:59,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:45:59,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:45:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:59,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:59,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:59,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:45:59,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:59,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:45:59,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:59,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:59,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:45:59,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:45:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:59,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:59,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:59,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:45:59,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:59,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:45:59,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:45:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:45:59,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:45:59,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:45:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:59,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:59,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:59,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:45:59,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:59,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:45:59,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:45:59,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:59,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:45:59,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:45:59,427 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 00:45:59,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81565182] [2020-09-25 00:45:59,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:45:59,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:45:59,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064592875] [2020-09-25 00:45:59,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:45:59,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:45:59,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:45:59,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:45:59,465 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 8 states. [2020-09-25 00:46:00,139 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:46:01,671 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:01,955 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:02,276 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:02,566 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:02,826 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:03,612 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:46:03,922 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:04,304 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:05,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:46:05,291 INFO L93 Difference]: Finished difference Result 583 states and 718 transitions. [2020-09-25 00:46:05,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:46:05,295 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 00:46:05,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:46:05,317 INFO L225 Difference]: With dead ends: 583 [2020-09-25 00:46:05,317 INFO L226 Difference]: Without dead ends: 390 [2020-09-25 00:46:05,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:46:05,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2020-09-25 00:46:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 347. [2020-09-25 00:46:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-09-25 00:46:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 394 transitions. [2020-09-25 00:46:05,473 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 394 transitions. Word has length 142 [2020-09-25 00:46:05,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:46:05,475 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 394 transitions. [2020-09-25 00:46:05,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:46:05,475 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 394 transitions. [2020-09-25 00:46:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 00:46:05,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:05,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:46:05,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:46:05,483 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:05,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:05,484 INFO L82 PathProgramCache]: Analyzing trace with hash 342460363, now seen corresponding path program 1 times [2020-09-25 00:46:05,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:05,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001319355] [2020-09-25 00:46:05,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:05,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:06,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-09-25 00:46:10,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:46:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 00:46:10,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:46:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-09-25 00:46:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:46:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:10,825 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:46:10,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:46:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:46:10,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 00:46:10,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:10,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:46:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:10,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:10,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:10,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:46:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:10,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:10,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:10,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:46:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:11,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 00:46:11,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:11,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:46:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:11,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:11,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:11,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 00:46:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:46:11,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:11,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:11,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 00:46:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:46:11,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 00:46:11,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:46:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:46:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:46:11,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:11,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:46:11,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 00:46:11,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:11,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:11,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:46:11,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:11,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:46:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:46:11,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:46:11,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:11,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:46:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:46:11,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 00:46:11,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:46:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:11,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:46:11,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:11,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:11,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:11,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:11,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:11,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:11,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:11,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:46:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:46:11,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:11,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:11,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 00:46:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:11,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:11,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:11,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:11,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 00:46:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:11,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:11,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:11,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:11,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:11,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:11,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:11,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:11,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:11,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:11,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:11,434 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 00:46:11,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001319355] [2020-09-25 00:46:11,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:46:11,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:46:11,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864491593] [2020-09-25 00:46:11,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:46:11,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:46:11,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:46:11,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:46:11,441 INFO L87 Difference]: Start difference. First operand 347 states and 394 transitions. Second operand 10 states. [2020-09-25 00:46:13,086 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:13,426 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:46:13,771 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:46:14,091 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:14,459 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:14,759 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:15,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:46:15,815 INFO L93 Difference]: Finished difference Result 739 states and 953 transitions. [2020-09-25 00:46:15,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 00:46:15,816 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-09-25 00:46:15,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:46:15,823 INFO L225 Difference]: With dead ends: 739 [2020-09-25 00:46:15,823 INFO L226 Difference]: Without dead ends: 502 [2020-09-25 00:46:15,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:46:15,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-09-25 00:46:15,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 355. [2020-09-25 00:46:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-09-25 00:46:15,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 402 transitions. [2020-09-25 00:46:15,894 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 402 transitions. Word has length 211 [2020-09-25 00:46:15,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:46:15,895 INFO L479 AbstractCegarLoop]: Abstraction has 355 states and 402 transitions. [2020-09-25 00:46:15,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:46:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 402 transitions. [2020-09-25 00:46:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-25 00:46:15,900 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:15,900 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:46:15,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:46:15,901 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:15,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:15,901 INFO L82 PathProgramCache]: Analyzing trace with hash 2051751470, now seen corresponding path program 1 times [2020-09-25 00:46:15,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:15,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112911736] [2020-09-25 00:46:15,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:16,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:16,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:16,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:16,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-25 00:46:20,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:46:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 00:46:20,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-25 00:46:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:46:20,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:21,231 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:46:21,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:46:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:46:21,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 00:46:21,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:46:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:21,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:21,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:46:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:21,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:46:21,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:46:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:21,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:21,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:46:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:21,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:46:21,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 00:46:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:46:21,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:46:21,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:46:21,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:46:21,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:21,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:46:21,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 00:46:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:46:21,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 00:46:21,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:46:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:46:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:46:21,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 00:46:21,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:21,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:46:21,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:46:21,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:46:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:46:21,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:46:21,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:46:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:46:21,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:46:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:46:21,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:46:21,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:46:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:46:21,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:21,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:21,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:21,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:21,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:46:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:46:21,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:21,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:21,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 00:46:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:21,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:21,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:21,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:21,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 00:46:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:21,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:21,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:21,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:21,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:21,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:21,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:21,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:21,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-25 00:46:21,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112911736] [2020-09-25 00:46:21,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:46:21,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 00:46:21,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674486063] [2020-09-25 00:46:21,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:46:21,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:46:21,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:46:21,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:46:21,787 INFO L87 Difference]: Start difference. First operand 355 states and 402 transitions. Second operand 9 states. [2020-09-25 00:46:23,040 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:23,343 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:23,687 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:24,045 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:46:24,352 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:46:25,492 INFO L93 Difference]: Finished difference Result 705 states and 888 transitions. [2020-09-25 00:46:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:46:25,493 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 222 [2020-09-25 00:46:25,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:46:25,498 INFO L225 Difference]: With dead ends: 705 [2020-09-25 00:46:25,498 INFO L226 Difference]: Without dead ends: 460 [2020-09-25 00:46:25,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-25 00:46:25,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-09-25 00:46:25,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 361. [2020-09-25 00:46:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-09-25 00:46:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 408 transitions. [2020-09-25 00:46:25,549 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 408 transitions. Word has length 222 [2020-09-25 00:46:25,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:46:25,550 INFO L479 AbstractCegarLoop]: Abstraction has 361 states and 408 transitions. [2020-09-25 00:46:25,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:46:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 408 transitions. [2020-09-25 00:46:25,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 00:46:25,554 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:25,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:46:25,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:46:25,555 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:25,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:25,555 INFO L82 PathProgramCache]: Analyzing trace with hash -739488370, now seen corresponding path program 1 times [2020-09-25 00:46:25,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:25,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739643699] [2020-09-25 00:46:25,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:25,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:26,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:30,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:30,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-09-25 00:46:30,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:46:30,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4624 [2020-09-25 00:46:30,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:46:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 00:46:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 00:46:30,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:30,625 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:46:30,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:46:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:30,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:30,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:30,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:46:30,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:30,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 00:46:30,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:30,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:30,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:30,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:30,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:46:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:30,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:30,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:30,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:30,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:30,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:30,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:30,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:30,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:30,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:46:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:30,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:30,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:30,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:30,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:30,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:30,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:30,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:46:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:30,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:30,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:30,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:30,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:30,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:46:30,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:30,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:30,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:30,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:46:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:30,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:30,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:30,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:30,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:30,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:46:30,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:30,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:30,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 00:46:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:30,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:30,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:30,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:46:30,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:30,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:30,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:30,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:30,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 00:46:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:30,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:30,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:30,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:46:30,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:30,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 00:46:30,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:30,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:30,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:30,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 00:46:30,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:30,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:30,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:30,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:46:30,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:30,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:46:30,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:46:30,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:31,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:46:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:31,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:31,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:31,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:46:31,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:31,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:31,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:31,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:31,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:31,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:46:31,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:31,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:46:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:31,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:31,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:31,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:46:31,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 00:46:31,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 00:46:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:31,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:31,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:31,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:31,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:46:31,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:31,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:31,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:31,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:31,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:31,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:31,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:31,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:31,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:31,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:31,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:46:31,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:31,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:46:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:31,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:31,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:31,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:46:31,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:31,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:31,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:31,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:31,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:31,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 00:46:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:31,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:31,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:31,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:31,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:46:31,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:46:31,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:31,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 00:46:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:31,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:31,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:31,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:31,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:31,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:31,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:31,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:31,213 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 00:46:31,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739643699] [2020-09-25 00:46:31,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:46:31,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 00:46:31,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742102534] [2020-09-25 00:46:31,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 00:46:31,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:46:31,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 00:46:31,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:46:31,219 INFO L87 Difference]: Start difference. First operand 361 states and 408 transitions. Second operand 11 states. [2020-09-25 00:46:31,935 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:32,544 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:46:33,294 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-25 00:46:33,939 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 00:46:34,350 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:34,797 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:46:35,180 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:36,325 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 00:46:36,655 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:37,265 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 00:46:37,615 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:46:37,973 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:38,378 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:46:38,742 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:39,121 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188