/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_spec5_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:11:40,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:11:40,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:11:40,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:11:40,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:11:40,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:11:40,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:11:40,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:11:40,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:11:40,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:11:40,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:11:40,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:11:40,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:11:40,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:11:40,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:11:40,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:11:40,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:11:40,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:11:40,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:11:40,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:11:40,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:11:40,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:11:40,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:11:40,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:11:40,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:11:40,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:11:40,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:11:40,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:11:40,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:11:40,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:11:40,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:11:40,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:11:40,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:11:40,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:11:40,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:11:40,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:11:40,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:11:40,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:11:40,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:11:40,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:11:40,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:11:40,279 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 04:11:40,330 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:11:40,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:11:40,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:11:40,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:11:40,333 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:11:40,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:11:40,334 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:11:40,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:11:40,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:11:40,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:11:40,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:11:40,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:11:40,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:11:40,336 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:11:40,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:11:40,337 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:11:40,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:11:40,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:11:40,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:11:40,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:11:40,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:11:40,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:11:40,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:11:40,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:11:40,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:11:40,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:11:40,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:11:40,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:11:40,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:11:40,340 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 04:11:40,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:11:40,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:11:40,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:11:40,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:11:40,808 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:11:40,810 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2020-09-25 04:11:40,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5af949689/91663e862f9e444097b2fa3e8670d145/FLAGe40321298 [2020-09-25 04:11:41,530 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:11:41,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2020-09-25 04:11:41,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5af949689/91663e862f9e444097b2fa3e8670d145/FLAGe40321298 [2020-09-25 04:11:41,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5af949689/91663e862f9e444097b2fa3e8670d145 [2020-09-25 04:11:41,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:11:41,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:11:41,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:11:41,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:11:41,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:11:41,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:11:41" (1/1) ... [2020-09-25 04:11:41,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d621dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:41, skipping insertion in model container [2020-09-25 04:11:41,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:11:41" (1/1) ... [2020-09-25 04:11:41,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:11:41,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:11:42,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:11:42,372 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:11:42,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:11:42,506 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:11:42,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42 WrapperNode [2020-09-25 04:11:42,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:11:42,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:11:42,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:11:42,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:11:42,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42" (1/1) ... [2020-09-25 04:11:42,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42" (1/1) ... [2020-09-25 04:11:42,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42" (1/1) ... [2020-09-25 04:11:42,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42" (1/1) ... [2020-09-25 04:11:42,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42" (1/1) ... [2020-09-25 04:11:42,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42" (1/1) ... [2020-09-25 04:11:42,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42" (1/1) ... [2020-09-25 04:11:42,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:11:42,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:11:42,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:11:42,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:11:42,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42" (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 04:11:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:11:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:11:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:11:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:11:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:11:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:11:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:11:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:11:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:11:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:11:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:11:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:11:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:11:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:11:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:11:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:11:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:11:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:11:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:11:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:11:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:11:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:11:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:11:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:11:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:11:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:11:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:11:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:11:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:11:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:11:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:11:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:11:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:11:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:11:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:11:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:11:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:11:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:11:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:11:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:11:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:11:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:11:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:11:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:11:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:11:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:11:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:11:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:11:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:11:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:11:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:11:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:11:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:11:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:11:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:11:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:11:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:11:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:11:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:11:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:11:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:11:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:11:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:11:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:11:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:11:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:11:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:11:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:11:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:11:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:11:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:11:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:11:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:11:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:11:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:11:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:11:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:11:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:11:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:11:43,889 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:11:43,889 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:11:43,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:11:43 BoogieIcfgContainer [2020-09-25 04:11:43,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:11:43,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:11:43,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:11:43,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:11:43,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:11:41" (1/3) ... [2020-09-25 04:11:43,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22425a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:11:43, skipping insertion in model container [2020-09-25 04:11:43,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:42" (2/3) ... [2020-09-25 04:11:43,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22425a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:11:43, skipping insertion in model container [2020-09-25 04:11:43,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:11:43" (3/3) ... [2020-09-25 04:11:43,908 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2020-09-25 04:11:43,920 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:11:43,931 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:11:43,954 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:11:43,985 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:11:43,985 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:11:43,985 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:11:43,985 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:11:43,985 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:11:43,985 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:11:43,986 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:11:43,986 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:11:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states. [2020-09-25 04:11:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 04:11:44,034 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:44,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:11:44,036 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:44,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:44,044 INFO L82 PathProgramCache]: Analyzing trace with hash -426938359, now seen corresponding path program 1 times [2020-09-25 04:11:44,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:44,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691650372] [2020-09-25 04:11:44,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:44,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:44,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:46,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:46,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:49,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:49,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 04:11:49,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:11:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 04:11:49,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:49,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:11:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 04:11:50,005 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:11:50,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:11:50,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-25 04:11:50,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:11:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:50,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:50,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:50,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:11:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:50,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:50,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:50,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:11:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:50,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:11:50,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:50,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:11:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:50,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:50,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:50,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:11:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:11:50,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:50,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:50,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:50,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:11:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:11:50,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:11:50,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:11:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:50,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:50,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:50,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:50,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 04:11:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:50,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:50,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:50,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:11:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:50,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:50,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:50,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:50,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:50,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:11:50,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691650372] [2020-09-25 04:11:50,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:50,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:11:50,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67263407] [2020-09-25 04:11:50,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:11:50,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:50,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:11:50,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:11:50,454 INFO L87 Difference]: Start difference. First operand 267 states. Second operand 4 states. [2020-09-25 04:11:51,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:51,743 INFO L93 Difference]: Finished difference Result 392 states and 465 transitions. [2020-09-25 04:11:51,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:11:51,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 04:11:51,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:51,769 INFO L225 Difference]: With dead ends: 392 [2020-09-25 04:11:51,769 INFO L226 Difference]: Without dead ends: 261 [2020-09-25 04:11:51,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:11:51,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-09-25 04:11:51,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 216. [2020-09-25 04:11:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-09-25 04:11:51,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 232 transitions. [2020-09-25 04:11:51,887 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 232 transitions. Word has length 160 [2020-09-25 04:11:51,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:51,888 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 232 transitions. [2020-09-25 04:11:51,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:11:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 232 transitions. [2020-09-25 04:11:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:11:51,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:51,894 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:11:51,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:11:51,895 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:51,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:51,896 INFO L82 PathProgramCache]: Analyzing trace with hash 660747893, now seen corresponding path program 1 times [2020-09-25 04:11:51,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:51,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287160209] [2020-09-25 04:11:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:52,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:52,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:53,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:54,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:55,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 04:11:57,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:11:57,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 04:11:57,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:11:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:11:57,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:57,449 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:11:57,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:11:57,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-25 04:11:57,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:57,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:11:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:57,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:57,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:57,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:11:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:57,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:57,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:57,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:57,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:11:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:57,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:11:57,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:57,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:11:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:57,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:57,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:57,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:11:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:11:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:11:57,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:57,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:57,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 04:11:57,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:11:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:11:57,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:57,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:11:57,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:57,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:57,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:57,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:57,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 04:11:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:57,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:57,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:57,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:11:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:57,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:57,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:57,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:57,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:57,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:57,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:57,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:11:57,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287160209] [2020-09-25 04:11:57,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:57,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:11:57,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679741189] [2020-09-25 04:11:57,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:11:57,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:57,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:11:57,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:11:57,812 INFO L87 Difference]: Start difference. First operand 216 states and 232 transitions. Second operand 5 states. [2020-09-25 04:11:58,497 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:11:59,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:59,109 INFO L93 Difference]: Finished difference Result 308 states and 347 transitions. [2020-09-25 04:11:59,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:11:59,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 04:11:59,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:59,113 INFO L225 Difference]: With dead ends: 308 [2020-09-25 04:11:59,113 INFO L226 Difference]: Without dead ends: 250 [2020-09-25 04:11:59,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:11:59,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-09-25 04:11:59,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 206. [2020-09-25 04:11:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-09-25 04:11:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 219 transitions. [2020-09-25 04:11:59,152 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 219 transitions. Word has length 161 [2020-09-25 04:11:59,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:59,153 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 219 transitions. [2020-09-25 04:11:59,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:11:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 219 transitions. [2020-09-25 04:11:59,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 04:11:59,156 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:59,157 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:11:59,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:11:59,157 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:59,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:59,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1177715725, now seen corresponding path program 1 times [2020-09-25 04:11:59,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:59,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805516515] [2020-09-25 04:11:59,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:59,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:59,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:01,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 04:12:04,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:12:04,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 04:12:04,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:04,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:12:04,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 04:12:04,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,517 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:04,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:12:04,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 04:12:04,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:12:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:04,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:12:04,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:04,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:12:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:04,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:04,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:04,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:04,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:04,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:12:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:04,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:04,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:04,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:12:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:04,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:04,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:04,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:12:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:04,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:04,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:04,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:04,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:04,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:12:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:04,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:04,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:12:04,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:12:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:12:04,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:12:04,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:04,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:04,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:12:04,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:04,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:04,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 04:12:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:04,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:04,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:04,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 04:12:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:04,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:04,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:04,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:04,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:04,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:04,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:04,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:12:04,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805516515] [2020-09-25 04:12:04,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:12:04,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:12:04,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686125828] [2020-09-25 04:12:04,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:12:04,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:12:04,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:12:04,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:12:04,836 INFO L87 Difference]: Start difference. First operand 206 states and 219 transitions. Second operand 6 states. [2020-09-25 04:12:05,384 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:06,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:12:06,681 INFO L93 Difference]: Finished difference Result 458 states and 533 transitions. [2020-09-25 04:12:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 04:12:06,682 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 04:12:06,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:12:06,693 INFO L225 Difference]: With dead ends: 458 [2020-09-25 04:12:06,693 INFO L226 Difference]: Without dead ends: 367 [2020-09-25 04:12:06,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:12:06,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-09-25 04:12:06,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 281. [2020-09-25 04:12:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-25 04:12:06,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-09-25 04:12:06,798 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 174 [2020-09-25 04:12:06,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:12:06,801 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-09-25 04:12:06,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:12:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-09-25 04:12:06,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-25 04:12:06,806 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:12:06,807 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:12:06,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:12:06,807 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:12:06,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:12:06,807 INFO L82 PathProgramCache]: Analyzing trace with hash -573373134, now seen corresponding path program 1 times [2020-09-25 04:12:06,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:12:06,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587706119] [2020-09-25 04:12:06,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:12:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:06,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:08,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:11,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:11,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 04:12:11,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:12:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 04:12:11,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:11,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:12:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 04:12:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 04:12:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,223 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:12,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:12:12,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 04:12:12,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:12,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:12:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:12,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:12,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:12,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:12,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:12:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:12,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:12:12,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:12,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:12,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:12:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:12,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:12,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:12,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:12,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:12,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:12:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:12,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:12,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:12,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:12,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:12:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:12,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:12,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:12,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:12:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:12,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:12,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:12:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:12:12,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:12,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:12,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:12,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:12,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:12:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:12,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:12:12,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:12,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:12:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 04:12:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:12,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:12:12,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:12:12,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 04:12:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:12,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:12,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:12,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:12,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:12:12,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:12,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:12,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:12:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:12:12,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 04:12:12,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587706119] [2020-09-25 04:12:12,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:12:12,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:12:12,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525387331] [2020-09-25 04:12:12,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:12:12,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:12:12,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:12:12,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:12:12,653 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 10 states. [2020-09-25 04:12:13,461 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:14,467 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:15,075 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 04:12:16,036 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:12:16,378 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 04:12:16,706 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 04:12:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:12:16,777 INFO L93 Difference]: Finished difference Result 500 states and 589 transitions. [2020-09-25 04:12:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 04:12:16,778 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-09-25 04:12:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:12:16,779 INFO L225 Difference]: With dead ends: 500 [2020-09-25 04:12:16,779 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:12:16,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 04:12:16,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:12:16,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:12:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:12:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:12:16,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2020-09-25 04:12:16,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:12:16,783 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:12:16,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:12:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:12:16,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:12:16,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:12:16,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:12:16,979 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:17,175 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:17,340 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:17,502 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:17,665 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:17,827 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:18,144 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:18,455 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:18,761 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:19,069 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:19,216 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:19,339 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 04:12:19,507 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:19,665 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:19,819 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:19,981 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:20,140 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:20,292 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:20,447 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:20,596 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:20,753 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:20,915 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:21,063 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:21,219 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:21,376 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:21,526 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:21,680 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:21,837 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:21,990 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:22,148 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:22,298 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:22,456 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:22,608 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:22,761 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:22,915 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:23,063 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:23,217 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:23,370 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:23,523 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:23,626 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:12:23,789 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:23,942 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:24,099 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:24,266 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:24,418 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:24,524 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 04:12:24,677 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:24,830 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:24,980 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:25,133 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:25,287 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:25,441 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:25,542 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:12:25,651 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 04:12:25,803 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:25,914 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 04:12:26,209 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:26,503 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:26,797 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:27,092 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:27,283 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:12:27,491 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:12:27,720 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:12:27,949 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:12:28,147 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-25 04:12:28,425 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:28,665 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:12:29,090 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-09-25 04:12:29,311 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1