/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:00:23,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:00:23,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:00:23,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:00:23,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:00:23,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:00:23,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:00:23,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:00:23,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:00:23,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:00:23,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:00:23,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:00:23,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:00:23,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:00:23,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:00:23,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:00:23,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:00:23,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:00:23,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:00:23,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:00:23,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:00:23,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:00:23,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:00:23,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:00:23,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:00:23,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:00:23,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:00:23,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:00:23,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:00:23,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:00:23,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:00:23,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:00:23,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:00:23,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:00:23,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:00:23,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:00:23,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:00:23,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:00:23,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:00:23,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:00:23,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:00:23,401 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 04:00:23,444 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:00:23,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:00:23,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:00:23,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:00:23,447 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:00:23,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:00:23,448 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:00:23,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:00:23,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:00:23,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:00:23,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:00:23,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:00:23,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:00:23,450 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:00:23,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:00:23,450 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:00:23,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:00:23,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:00:23,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:00:23,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:00:23,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:00:23,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:00:23,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:00:23,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:00:23,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:00:23,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:00:23,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:00:23,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:00:23,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:00:23,453 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 04:00:23,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:00:23,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:00:23,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:00:23,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:00:23,972 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:00:23,973 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c [2020-09-25 04:00:24,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/726f6b070/d2b5c22e69054e92b3433899f69ae7ae/FLAGca0ab4bdf [2020-09-25 04:00:24,695 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:00:24,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c [2020-09-25 04:00:24,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/726f6b070/d2b5c22e69054e92b3433899f69ae7ae/FLAGca0ab4bdf [2020-09-25 04:00:24,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/726f6b070/d2b5c22e69054e92b3433899f69ae7ae [2020-09-25 04:00:24,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:00:24,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:00:24,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:00:24,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:00:24,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:00:24,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:00:24" (1/1) ... [2020-09-25 04:00:25,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53352fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:24, skipping insertion in model container [2020-09-25 04:00:25,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:00:24" (1/1) ... [2020-09-25 04:00:25,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:00:25,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:00:25,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:00:25,571 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:00:25,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:00:25,733 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:00:25,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25 WrapperNode [2020-09-25 04:00:25,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:00:25,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:00:25,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:00:25,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:00:25,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25" (1/1) ... [2020-09-25 04:00:25,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25" (1/1) ... [2020-09-25 04:00:25,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25" (1/1) ... [2020-09-25 04:00:25,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25" (1/1) ... [2020-09-25 04:00:25,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25" (1/1) ... [2020-09-25 04:00:25,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25" (1/1) ... [2020-09-25 04:00:25,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25" (1/1) ... [2020-09-25 04:00:25,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:00:25,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:00:25,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:00:25,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:00:25,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25" (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 04:00:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:00:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:00:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:00:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:00:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:00:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:00:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:00:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:00:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:00:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:00:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:00:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 04:00:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:00:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:00:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:00:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:00:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:00:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:00:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:00:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:00:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:00:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:00:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:00:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:00:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:00:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:00:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:00:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:00:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:00:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:00:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:00:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:00:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:00:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:00:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:00:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:00:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:00:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:00:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:00:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:00:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:00:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:00:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:00:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:00:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:00:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:00:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:00:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:00:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:00:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:00:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:00:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 04:00:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:00:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:00:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:00:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:00:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:00:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:00:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:00:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:00:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:00:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:00:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:00:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:00:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:00:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:00:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:00:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:00:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:00:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:00:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:00:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:00:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:00:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:00:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:00:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:00:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:00:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:00:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:00:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:00:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:00:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:00:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:00:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:00:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:00:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:00:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:00:27,278 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:00:27,278 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:00:27,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:00:27 BoogieIcfgContainer [2020-09-25 04:00:27,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:00:27,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:00:27,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:00:27,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:00:27,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:00:24" (1/3) ... [2020-09-25 04:00:27,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4962abf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:00:27, skipping insertion in model container [2020-09-25 04:00:27,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:00:25" (2/3) ... [2020-09-25 04:00:27,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4962abf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:00:27, skipping insertion in model container [2020-09-25 04:00:27,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:00:27" (3/3) ... [2020-09-25 04:00:27,298 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2020-09-25 04:00:27,310 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:00:27,323 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:00:27,347 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:00:27,388 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:00:27,389 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:00:27,389 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:00:27,389 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:00:27,389 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:00:27,389 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:00:27,390 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:00:27,390 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:00:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2020-09-25 04:00:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 04:00:27,444 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:00:27,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:00:27,447 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:00:27,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:00:27,455 INFO L82 PathProgramCache]: Analyzing trace with hash 750514354, now seen corresponding path program 1 times [2020-09-25 04:00:27,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:00:27,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252792865] [2020-09-25 04:00:27,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:00:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:28,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:28,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:29,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:30,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:31,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:32,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:32,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 04:00:32,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:00:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 04:00:32,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:32,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 04:00:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:32,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 04:00:33,295 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:33,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:00:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:33,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:33,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:33,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:00:33,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 04:00:33,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:33,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:33,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:33,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:33,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:33,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:33,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:00:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:33,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:33,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:33,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:33,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:33,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:33,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:33,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:33,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:33,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:00:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:33,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:33,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:33,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:33,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:33,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:33,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:33,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:33,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:33,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:33,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:00:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:33,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:33,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:33,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:33,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:33,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:00:33,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:33,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:33,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:33,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:33,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:33,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:33,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:00:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:33,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:33,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:33,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:33,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:33,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:33,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:33,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:33,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:00:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:33,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:33,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:33,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:33,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:33,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:00:33,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:33,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:33,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:33,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:33,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:00:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:33,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:33,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:33,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:33,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:00:33,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:33,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:33,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:00:33,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252792865] [2020-09-25 04:00:33,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:00:33,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 04:00:33,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946219414] [2020-09-25 04:00:33,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 04:00:33,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:00:33,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 04:00:33,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:00:33,633 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2020-09-25 04:00:35,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:00:35,002 INFO L93 Difference]: Finished difference Result 439 states and 524 transitions. [2020-09-25 04:00:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 04:00:35,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 04:00:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:00:35,037 INFO L225 Difference]: With dead ends: 439 [2020-09-25 04:00:35,038 INFO L226 Difference]: Without dead ends: 277 [2020-09-25 04:00:35,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:00:35,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-25 04:00:35,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2020-09-25 04:00:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-09-25 04:00:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 255 transitions. [2020-09-25 04:00:35,183 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 255 transitions. Word has length 142 [2020-09-25 04:00:35,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:00:35,184 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 255 transitions. [2020-09-25 04:00:35,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 04:00:35,184 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 255 transitions. [2020-09-25 04:00:35,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 04:00:35,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:00:35,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:00:35,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:00:35,190 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:00:35,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:00:35,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1453121021, now seen corresponding path program 1 times [2020-09-25 04:00:35,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:00:35,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905492576] [2020-09-25 04:00:35,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:00:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:35,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:35,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:36,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:37,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:40,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:40,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 04:00:40,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:00:40,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-09-25 04:00:40,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:40,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:00:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 04:00:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:00:40,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:40,641 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:40,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:00:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:40,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:40,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:40,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:00:40,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:40,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 04:00:40,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:40,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:40,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:40,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:40,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:40,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:40,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:00:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:40,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:40,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:40,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:40,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:40,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:40,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:40,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:40,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:00:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:40,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:40,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:40,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:40,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:40,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:00:40,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:40,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:40,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:40,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:00:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:40,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:40,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:40,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:00:40,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:40,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:40,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:40,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:40,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:00:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:40,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:40,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:40,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:40,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:40,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:40,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:40,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:40,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:40,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:40,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:40,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:40,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:00:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:40,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:40,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:40,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:40,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:40,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:40,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:40,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:40,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:40,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:40,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:40,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:40,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:00:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:40,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:40,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:40,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:40,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:40,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:40,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:40,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:40,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:00:40,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905492576] [2020-09-25 04:00:40,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:00:40,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:00:40,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830233989] [2020-09-25 04:00:40,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:00:40,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:00:40,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:00:40,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:00:40,856 INFO L87 Difference]: Start difference. First operand 236 states and 255 transitions. Second operand 4 states. [2020-09-25 04:00:41,560 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:00:42,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:00:42,483 INFO L93 Difference]: Finished difference Result 347 states and 389 transitions. [2020-09-25 04:00:42,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 04:00:42,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 04:00:42,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:00:42,488 INFO L225 Difference]: With dead ends: 347 [2020-09-25 04:00:42,488 INFO L226 Difference]: Without dead ends: 260 [2020-09-25 04:00:42,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:00:42,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-25 04:00:42,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 226. [2020-09-25 04:00:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-09-25 04:00:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 242 transitions. [2020-09-25 04:00:42,534 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 242 transitions. Word has length 143 [2020-09-25 04:00:42,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:00:42,535 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 242 transitions. [2020-09-25 04:00:42,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:00:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 242 transitions. [2020-09-25 04:00:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 04:00:42,544 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:00:42,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:00:42,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:00:42,545 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:00:42,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:00:42,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1038765417, now seen corresponding path program 1 times [2020-09-25 04:00:42,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:00:42,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587349009] [2020-09-25 04:00:42,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:00:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:42,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:43,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:43,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:44,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:47,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:47,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 04:00:47,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:00:47,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 04:00:47,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:47,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:00:47,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 04:00:47,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:00:47,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:47,973 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:47,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:00:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:47,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:48,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:48,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:00:48,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:48,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 04:00:48,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:48,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:48,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:00:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:48,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:48,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:48,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:48,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:48,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:00:48,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:48,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:48,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:48,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:00:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:48,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:48,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:48,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:48,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:48,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:48,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:48,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:48,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:00:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:48,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:48,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:48,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:48,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:00:48,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:48,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:48,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:48,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:48,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:00:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:48,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:48,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:48,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:48,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:48,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:48,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:48,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:48,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:48,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:00:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:48,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:48,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:48,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:48,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:48,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:00:48,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:48,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:48,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:00:48,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:48,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:00:48,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:48,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 04:00:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:48,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:48,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:48,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:48,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:48,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:00:48,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:48,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:00:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:00:48,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:00:48,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587349009] [2020-09-25 04:00:48,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:00:48,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 04:00:48,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030646997] [2020-09-25 04:00:48,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 04:00:48,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:00:48,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 04:00:48,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:00:48,256 INFO L87 Difference]: Start difference. First operand 226 states and 242 transitions. Second operand 8 states. [2020-09-25 04:00:48,851 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:50,028 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:50,346 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:00:50,682 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:50,998 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:00:51,306 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:51,860 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:52,173 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:52,518 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:00:53,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:00:53,106 INFO L93 Difference]: Finished difference Result 453 states and 525 transitions. [2020-09-25 04:00:53,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 04:00:53,107 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-09-25 04:00:53,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:00:53,112 INFO L225 Difference]: With dead ends: 453 [2020-09-25 04:00:53,112 INFO L226 Difference]: Without dead ends: 337 [2020-09-25 04:00:53,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 04:00:53,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-09-25 04:00:53,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 306. [2020-09-25 04:00:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-09-25 04:00:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 340 transitions. [2020-09-25 04:00:53,162 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 340 transitions. Word has length 152 [2020-09-25 04:00:53,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:00:53,163 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 340 transitions. [2020-09-25 04:00:53,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 04:00:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 340 transitions. [2020-09-25 04:00:53,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-09-25 04:00:53,167 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:00:53,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:00:53,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:00:53,167 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:00:53,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:00:53,168 INFO L82 PathProgramCache]: Analyzing trace with hash 684340345, now seen corresponding path program 1 times [2020-09-25 04:00:53,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:00:53,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [133120104] [2020-09-25 04:00:53,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:00:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:53,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-25 04:00:58,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:00:58,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 04:00:58,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:00:58,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-09-25 04:00:58,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:00:58,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:58,561 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:00:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:00:58,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 04:00:58,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:58,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:00:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:58,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:58,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:58,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:58,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:58,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:00:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:58,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:58,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:58,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:58,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:58,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:00:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:58,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:00:58,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:58,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:00:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:58,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:58,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:58,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 04:00:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:00:58,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 04:00:58,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:00:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 04:00:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:00:58,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:00:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:00:58,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 04:00:58,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:00:58,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:58,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 04:00:58,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:00:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:00:58,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:00:58,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:58,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:58,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:58,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:00:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:00:58,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:00:58,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:58,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 04:00:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 04:00:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:58,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:58,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:58,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 04:00:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:58,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:58,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:58,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:58,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:58,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:58,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:58,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:58,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:58,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:00:59,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [133120104] [2020-09-25 04:00:59,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:00:59,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:00:59,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321049941] [2020-09-25 04:00:59,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:00:59,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:00:59,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:00:59,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:00:59,052 INFO L87 Difference]: Start difference. First operand 306 states and 340 transitions. Second operand 9 states. [2020-09-25 04:01:00,494 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:01:00,788 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:01:01,091 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:01:01,394 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:01:01,709 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:01:01,997 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:01:02,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:01:02,621 INFO L93 Difference]: Finished difference Result 564 states and 661 transitions. [2020-09-25 04:01:02,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:01:02,622 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 185 [2020-09-25 04:01:02,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:01:02,626 INFO L225 Difference]: With dead ends: 564 [2020-09-25 04:01:02,626 INFO L226 Difference]: Without dead ends: 368 [2020-09-25 04:01:02,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-25 04:01:02,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-09-25 04:01:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 317. [2020-09-25 04:01:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-09-25 04:01:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 351 transitions. [2020-09-25 04:01:02,676 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 351 transitions. Word has length 185 [2020-09-25 04:01:02,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:01:02,678 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 351 transitions. [2020-09-25 04:01:02,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:01:02,678 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 351 transitions. [2020-09-25 04:01:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-09-25 04:01:02,681 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:01:02,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:01:02,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:01:02,681 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:01:02,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:01:02,682 INFO L82 PathProgramCache]: Analyzing trace with hash -737900519, now seen corresponding path program 1 times [2020-09-25 04:01:02,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:01:02,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1962136060] [2020-09-25 04:01:02,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:01:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:02,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:03,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:06,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:06,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-25 04:01:06,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:01:06,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3871 [2020-09-25 04:01:06,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:06,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:06,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:01:06,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 04:01:06,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:01:06,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:01:06,888 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:01:06,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:01:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:06,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:06,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:06,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:01:06,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:06,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 04:01:06,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:06,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:01:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:01:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:01:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:01:07,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:01:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:01:07,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:01:07,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:01:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:01:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:01:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:01:07,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:01:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:01:07,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:01:07,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:01:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:01:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:01:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:01:07,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:01:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:01:07,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:01:07,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:01:07,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:01:07,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:01:07,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:01:07,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:01:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:01:07,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:01:07,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:01:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:01:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:01:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:01:07,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 04:01:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:01:07,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 04:01:07,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:01:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:01:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:01:07,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:01:07,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:01:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:01:07,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 04:01:07,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:01:07,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 04:01:07,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:01:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:01:07,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:01:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:01:07,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:01:07,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:01:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:01:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:01:07,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:01:07,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:01:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:01:07,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:01:07,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:01:07,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 04:01:07,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:01:07,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:01:07,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 04:01:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:01:07,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:01:07,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:01:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:01:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:01:07,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:01:07,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 04:01:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:07,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:07,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:07,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:01:07,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:01:07,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:01:07,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:07,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:01:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:01:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:01:07,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:01:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:01:07,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1962136060] [2020-09-25 04:01:07,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:01:07,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 04:01:07,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509536555] [2020-09-25 04:01:07,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 04:01:07,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:01:07,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 04:01:07,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:01:07,235 INFO L87 Difference]: Start difference. First operand 317 states and 351 transitions. Second operand 8 states. [2020-09-25 04:01:08,494 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:01:08,799 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:01:09,130 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:01:09,479 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:01:09,780 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:01:10,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:01:10,417 INFO L93 Difference]: Finished difference Result 581 states and 687 transitions. [2020-09-25 04:01:10,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 04:01:10,419 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2020-09-25 04:01:10,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:01:10,423 INFO L225 Difference]: With dead ends: 581 [2020-09-25 04:01:10,423 INFO L226 Difference]: Without dead ends: 374 [2020-09-25 04:01:10,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-09-25 04:01:10,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-09-25 04:01:10,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 323. [2020-09-25 04:01:10,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-09-25 04:01:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 357 transitions. [2020-09-25 04:01:10,485 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 357 transitions. Word has length 185 [2020-09-25 04:01:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:01:10,486 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 357 transitions. [2020-09-25 04:01:10,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 04:01:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 357 transitions. [2020-09-25 04:01:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-09-25 04:01:10,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:01:10,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:01:10,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:01:10,490 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:01:10,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:01:10,491 INFO L82 PathProgramCache]: Analyzing trace with hash -529551748, now seen corresponding path program 1 times [2020-09-25 04:01:10,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:01:10,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374315325] [2020-09-25 04:01:10,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:01:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:01:10,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:11,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:01:13,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:01:13,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-25 04:01:13,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:01:13,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3166 [2020-09-25 04:01:13,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:01:13,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:01:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 04:01:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 04:01:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-25 04:01:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0