/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:59:40,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:59:40,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:59:40,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:59:40,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:59:40,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:59:40,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:59:40,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:59:40,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:59:40,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:59:40,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:59:40,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:59:40,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:59:40,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:59:40,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:59:40,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:59:40,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:59:40,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:59:40,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:59:40,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:59:40,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:59:40,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:59:40,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:59:40,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:59:40,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:59:40,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:59:40,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:59:40,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:59:40,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:59:40,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:59:40,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:59:40,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:59:40,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:59:40,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:59:40,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:59:40,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:59:40,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:59:40,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:59:40,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:59:40,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:59:40,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:59:40,284 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 03:59:40,328 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:59:40,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:59:40,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:59:40,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:59:40,330 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:59:40,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:59:40,331 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:59:40,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:59:40,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:59:40,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:59:40,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:59:40,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:59:40,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:59:40,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:59:40,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:59:40,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:59:40,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:59:40,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:59:40,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:59:40,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:59:40,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:59:40,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:59:40,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:59:40,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:59:40,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:59:40,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:59:40,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:59:40,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:59:40,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:59:40,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 03:59:40,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:59:40,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:59:40,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:59:40,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:59:40,817 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:59:40,818 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-25 03:59:40,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53f868ff6/0979625f812b4fe9a1e30ff2ca91ef31/FLAGb104bd6ab [2020-09-25 03:59:41,524 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:59:41,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-25 03:59:41,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53f868ff6/0979625f812b4fe9a1e30ff2ca91ef31/FLAGb104bd6ab [2020-09-25 03:59:41,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53f868ff6/0979625f812b4fe9a1e30ff2ca91ef31 [2020-09-25 03:59:41,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:59:41,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:59:41,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:59:41,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:59:41,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:59:41,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:59:41" (1/1) ... [2020-09-25 03:59:41,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:41, skipping insertion in model container [2020-09-25 03:59:41,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:59:41" (1/1) ... [2020-09-25 03:59:41,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:59:41,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:59:42,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:59:42,458 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:59:42,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:59:42,598 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:59:42,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42 WrapperNode [2020-09-25 03:59:42,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:59:42,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:59:42,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:59:42,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:59:42,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42" (1/1) ... [2020-09-25 03:59:42,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42" (1/1) ... [2020-09-25 03:59:42,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42" (1/1) ... [2020-09-25 03:59:42,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42" (1/1) ... [2020-09-25 03:59:42,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42" (1/1) ... [2020-09-25 03:59:42,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42" (1/1) ... [2020-09-25 03:59:42,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42" (1/1) ... [2020-09-25 03:59:42,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:59:42,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:59:42,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:59:42,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:59:42,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42" (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 03:59:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:59:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:59:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:59:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:59:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:59:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:59:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:59:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:59:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:59:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:59:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:59:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:59:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:59:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:59:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:59:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:59:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 03:59:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:59:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:59:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:59:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:59:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:59:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:59:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:59:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:59:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:59:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 03:59:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:59:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:59:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:59:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:59:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:59:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:59:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:59:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:59:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:59:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:59:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:59:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:59:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:59:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:59:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:59:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:59:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:59:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:59:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:59:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:59:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:59:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:59:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:59:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:59:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:59:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:59:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:59:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:59:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:59:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:59:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:59:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:59:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:59:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:59:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:59:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:59:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:59:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:59:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:59:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:59:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:59:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:59:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 03:59:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:59:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:59:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:59:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:59:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:59:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:59:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:59:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:59:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:59:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:59:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:59:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:59:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:59:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:59:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:59:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:59:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:59:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:59:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 03:59:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:59:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:59:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:59:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:59:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:59:44,243 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:59:44,243 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:59:44,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:59:44 BoogieIcfgContainer [2020-09-25 03:59:44,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:59:44,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:59:44,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:59:44,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:59:44,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:59:41" (1/3) ... [2020-09-25 03:59:44,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295e7d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:59:44, skipping insertion in model container [2020-09-25 03:59:44,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:42" (2/3) ... [2020-09-25 03:59:44,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295e7d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:59:44, skipping insertion in model container [2020-09-25 03:59:44,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:59:44" (3/3) ... [2020-09-25 03:59:44,261 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-09-25 03:59:44,273 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:59:44,285 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:59:44,309 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:59:44,344 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:59:44,344 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:59:44,345 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:59:44,345 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:59:44,345 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:59:44,345 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:59:44,345 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:59:44,345 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:59:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states. [2020-09-25 03:59:44,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:59:44,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:44,395 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 03:59:44,396 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:44,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:44,405 INFO L82 PathProgramCache]: Analyzing trace with hash 779831521, now seen corresponding path program 1 times [2020-09-25 03:59:44,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:44,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380448859] [2020-09-25 03:59:44,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:44,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:45,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:46,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:47,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:49,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:49,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:59:49,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:59:49,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 03:59:49,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:49,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 03:59:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:49,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 03:59:50,325 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:50,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:50,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:50,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:50,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:50,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:50,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 03:59:50,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:50,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:50,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:50,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:50,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:50,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:50,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:50,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:50,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:59:50,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:50,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:50,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:50,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:50,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:50,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:50,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:50,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:50,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:50,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:50,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:50,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:59:50,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:50,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:50,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:50,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:50,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:50,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:50,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:50,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:50,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:50,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:59:50,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:50,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:50,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:50,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:50,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:50,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:50,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:59:50,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:50,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:50,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:50,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:59:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:50,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:50,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:50,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:50,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:50,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:59:50,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:50,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:50,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:50,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:59:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:50,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:50,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:50,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:50,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:50,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 03:59:50,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:50,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:50,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:50,720 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 03:59:50,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380448859] [2020-09-25 03:59:50,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:50,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:59:50,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326698195] [2020-09-25 03:59:50,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:59:50,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:50,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:59:50,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:59:50,761 INFO L87 Difference]: Start difference. First operand 305 states. Second operand 3 states. [2020-09-25 03:59:52,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:59:52,662 INFO L93 Difference]: Finished difference Result 478 states and 575 transitions. [2020-09-25 03:59:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:59:52,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 03:59:52,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:59:52,687 INFO L225 Difference]: With dead ends: 478 [2020-09-25 03:59:52,687 INFO L226 Difference]: Without dead ends: 298 [2020-09-25 03:59:52,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:59:52,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-09-25 03:59:52,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 254. [2020-09-25 03:59:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-25 03:59:52,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 278 transitions. [2020-09-25 03:59:52,883 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 278 transitions. Word has length 142 [2020-09-25 03:59:52,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:52,884 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 278 transitions. [2020-09-25 03:59:52,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:59:52,885 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 278 transitions. [2020-09-25 03:59:52,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 03:59:52,899 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:52,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:59:52,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:59:52,900 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:52,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:52,901 INFO L82 PathProgramCache]: Analyzing trace with hash 912428730, now seen corresponding path program 1 times [2020-09-25 03:59:52,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:52,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155820916] [2020-09-25 03:59:52,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:53,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:53,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:54,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:55,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:55,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:57,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:57,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 03:59:57,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:59:57,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 03:59:57,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:57,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 03:59:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:59:57,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:58,319 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:58,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:58,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:58,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:58,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:58,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:58,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 03:59:58,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:58,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:58,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:58,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:58,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:59:58,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:58,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:58,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:58,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:58,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:58,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:58,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:58,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:58,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:58,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:58,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:58,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:58,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:58,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:58,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:58,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:58,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:58,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:58,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:58,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:58,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:58,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:58,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:59:58,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:58,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:58,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:58,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:58,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:58,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:58,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:58,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:58,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:58,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:58,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:58,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:58,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:58,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:58,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:58,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:58,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:58,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:58,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:59:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:58,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:58,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:58,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:58,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:58,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:58,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:58,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:58,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:58,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 03:59:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:58,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:58,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:58,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:58,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:58,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:58,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:58,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:58,559 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 03:59:58,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155820916] [2020-09-25 03:59:58,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:58,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 03:59:58,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487548382] [2020-09-25 03:59:58,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 03:59:58,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:58,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 03:59:58,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 03:59:58,569 INFO L87 Difference]: Start difference. First operand 254 states and 278 transitions. Second operand 4 states. [2020-09-25 03:59:59,187 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:00:00,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:00:00,255 INFO L93 Difference]: Finished difference Result 385 states and 438 transitions. [2020-09-25 04:00:00,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 04:00:00,257 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 04:00:00,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:00:00,261 INFO L225 Difference]: With dead ends: 385 [2020-09-25 04:00:00,261 INFO L226 Difference]: Without dead ends: 281 [2020-09-25 04:00:00,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:00:00,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-25 04:00:00,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 244. [2020-09-25 04:00:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 04:00:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 265 transitions. [2020-09-25 04:00:00,325 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 265 transitions. Word has length 143 [2020-09-25 04:00:00,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:00:00,326 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 265 transitions. [2020-09-25 04:00:00,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:00:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 265 transitions. [2020-09-25 04:00:00,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 04:00:00,328 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:00:00,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:00:00,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:00:00,329 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:00:00,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:00:00,330 INFO L82 PathProgramCache]: Analyzing trace with hash 713806472, now seen corresponding path program 1 times [2020-09-25 04:00:00,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:00:00,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548178745] [2020-09-25 04:00:00,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:00:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:00,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 04:00:05,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:00:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 04:00:05,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:05,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:00:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 04:00:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:00:05,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:05,688 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:05,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:00:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:05,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:05,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:00:05,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:05,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 04:00:05,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:05,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:05,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:00:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:05,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:05,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:05,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:05,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:05,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:05,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:05,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:05,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:05,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:05,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:00:05,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:00:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:05,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:05,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:05,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:05,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:05,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:05,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:05,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:05,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:00:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:05,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:05,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:05,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:05,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:00:05,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:05,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:05,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:05,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:00:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:05,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:05,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:05,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:05,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:05,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:05,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:05,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:05,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:05,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 04:00:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:05,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:05,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:00:05,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:05,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:00:05,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:05,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:05,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:00:05,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:05,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:00:05,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:05,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:00:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:05,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:05,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:05,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:05,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:00:05,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:05,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:05,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:00:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:05,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:05,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:05,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:05,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:05,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:05,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:05,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:05,979 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 04:00:05,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548178745] [2020-09-25 04:00:05,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:00:05,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:00:05,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601333436] [2020-09-25 04:00:05,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:00:05,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:00:05,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:00:05,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:00:05,986 INFO L87 Difference]: Start difference. First operand 244 states and 265 transitions. Second operand 5 states. [2020-09-25 04:00:06,672 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:08,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:00:08,815 INFO L93 Difference]: Finished difference Result 582 states and 682 transitions. [2020-09-25 04:00:08,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:00:08,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 04:00:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:00:08,824 INFO L225 Difference]: With dead ends: 582 [2020-09-25 04:00:08,825 INFO L226 Difference]: Without dead ends: 448 [2020-09-25 04:00:08,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:00:08,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-09-25 04:00:08,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 368. [2020-09-25 04:00:08,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-09-25 04:00:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 411 transitions. [2020-09-25 04:00:08,914 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 411 transitions. Word has length 156 [2020-09-25 04:00:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:00:08,915 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 411 transitions. [2020-09-25 04:00:08,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:00:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 411 transitions. [2020-09-25 04:00:08,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:00:08,918 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:00:08,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:00:08,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:00:08,919 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:00:08,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:00:08,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1380327011, now seen corresponding path program 1 times [2020-09-25 04:00:08,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:00:08,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079419874] [2020-09-25 04:00:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:00:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:09,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:12,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:14,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:14,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 04:00:14,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:00:14,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 04:00:14,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:14,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:14,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:00:14,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 04:00:14,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:00:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:14,372 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:14,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:00:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:14,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:14,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:14,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:00:14,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:14,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 04:00:14,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:14,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:14,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:00:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:14,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:14,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:14,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:14,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:14,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:00:14,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:14,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:14,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:14,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:14,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:00:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:14,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:14,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:14,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:14,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:14,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:14,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:14,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:14,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:14,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:14,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:00:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:14,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:14,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:14,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:14,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:14,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:00:14,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:14,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:14,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:14,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:00:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:14,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:14,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:14,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:14,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:14,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:14,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:14,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:14,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:14,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 04:00:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:14,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:14,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:14,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:00:14,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:14,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:14,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:14,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:14,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:14,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:14,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:00:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:14,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:14,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:14,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:14,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:14,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:00:14,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:14,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:00:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:00:14,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:14,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:00:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:14,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:14,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:14,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:14,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:14,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:00:14,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:14,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:00:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:00:14,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:14,705 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 04:00:14,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079419874] [2020-09-25 04:00:14,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:00:14,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:00:14,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992325767] [2020-09-25 04:00:14,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:00:14,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:00:14,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:00:14,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:00:14,708 INFO L87 Difference]: Start difference. First operand 368 states and 411 transitions. Second operand 9 states. [2020-09-25 04:00:15,245 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:16,455 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:16,775 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:00:17,106 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:17,443 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:00:17,753 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:00:17,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:00:17,983 INFO L93 Difference]: Finished difference Result 577 states and 678 transitions. [2020-09-25 04:00:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 04:00:17,984 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 04:00:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:00:17,985 INFO L225 Difference]: With dead ends: 577 [2020-09-25 04:00:17,985 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:00:17,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 04:00:17,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:00:17,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:00:17,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:00:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:00:17,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 04:00:17,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:00:17,990 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:00:17,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:00:17,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:00:17,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:00:17,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:00:17,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:00:18,189 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:18,346 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:18,503 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:18,678 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:18,807 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:00:18,962 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:19,116 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:19,275 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:19,428 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:19,574 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:19,693 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:00:19,797 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:00:20,107 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:00:20,422 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:00:20,730 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:00:20,873 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:21,022 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:21,170 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:21,326 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:21,472 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:21,621 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:21,769 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:21,921 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:22,084 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:22,232 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:22,381 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:22,530 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:22,677 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:22,827 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:22,975 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:23,226 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 04:00:23,375 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:23,524 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:23,668 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:23,817 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:24,146 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:24,459 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:24,771 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:25,005 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:00:25,211 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:00:25,368 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:25,521 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:25,669 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:25,814 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:25,965 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:26,120 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:26,281 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:26,443 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:26,595 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:26,739 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:26,901 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:27,050 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:27,201 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:27,350 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:27,500 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:27,648 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:27,796 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:27,939 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:28,252 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:28,566 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:28,878 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:29,113 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:00:29,262 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:29,409 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:29,553 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:29,959 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 04:00:30,156 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:30,377 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:30,606 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1