/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_spec2_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:04:32,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:04:32,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:04:32,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:04:32,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:04:32,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:04:32,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:04:32,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:04:32,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:04:32,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:04:32,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:04:32,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:04:32,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:04:32,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:04:32,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:04:32,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:04:32,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:04:32,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:04:32,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:04:32,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:04:32,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:04:32,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:04:32,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:04:32,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:04:32,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:04:32,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:04:32,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:04:32,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:04:32,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:04:32,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:04:32,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:04:32,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:04:32,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:04:32,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:04:32,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:04:32,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:04:32,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:04:32,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:04:32,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:04:32,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:04:32,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:04:32,953 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 04:04:32,980 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:04:32,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:04:32,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:04:32,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:04:32,982 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:04:32,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:04:32,983 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:04:32,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:04:32,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:04:32,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:04:32,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:04:32,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:04:32,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:04:32,984 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:04:32,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:04:32,985 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:04:32,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:04:32,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:04:32,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:04:32,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:04:32,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:04:32,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:04:32,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:04:32,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:04:32,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:04:32,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:04:32,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:04:32,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:04:32,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:04:32,988 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 04:04:33,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:04:33,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:04:33,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:04:33,514 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:04:33,515 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:04:33,516 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-25 04:04:33,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cb351802/63af9e61c7664879b3d178340597304c/FLAG35ae8667b [2020-09-25 04:04:34,205 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:04:34,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-25 04:04:34,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cb351802/63af9e61c7664879b3d178340597304c/FLAG35ae8667b [2020-09-25 04:04:34,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cb351802/63af9e61c7664879b3d178340597304c [2020-09-25 04:04:34,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:04:34,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:04:34,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:04:34,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:04:34,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:04:34,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:04:34" (1/1) ... [2020-09-25 04:04:34,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc06ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:34, skipping insertion in model container [2020-09-25 04:04:34,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:04:34" (1/1) ... [2020-09-25 04:04:34,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:04:34,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:04:34,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:04:35,005 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:04:35,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:04:35,253 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:04:35,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35 WrapperNode [2020-09-25 04:04:35,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:04:35,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:04:35,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:04:35,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:04:35,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35" (1/1) ... [2020-09-25 04:04:35,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35" (1/1) ... [2020-09-25 04:04:35,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35" (1/1) ... [2020-09-25 04:04:35,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35" (1/1) ... [2020-09-25 04:04:35,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35" (1/1) ... [2020-09-25 04:04:35,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35" (1/1) ... [2020-09-25 04:04:35,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35" (1/1) ... [2020-09-25 04:04:35,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:04:35,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:04:35,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:04:35,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:04:35,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35" (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 04:04:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:04:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:04:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:04:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:04:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:04:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:04:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:04:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:04:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:04:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:04:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:04:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:04:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:04:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:04:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:04:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:04:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:04:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:04:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:04:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:04:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:04:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:04:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:04:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:04:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:04:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:04:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:04:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:04:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:04:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:04:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:04:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 04:04:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:04:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:04:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:04:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:04:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:04:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:04:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:04:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:04:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:04:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:04:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:04:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:04:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:04:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:04:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:04:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:04:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:04:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:04:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:04:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:04:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:04:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:04:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:04:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:04:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:04:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:04:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:04:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:04:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:04:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:04:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:04:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:04:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:04:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:04:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:04:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:04:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:04:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:04:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:04:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:04:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:04:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:04:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:04:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:04:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 04:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:04:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:04:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:04:36,659 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:04:36,660 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:04:36,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:04:36 BoogieIcfgContainer [2020-09-25 04:04:36,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:04:36,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:04:36,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:04:36,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:04:36,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:04:34" (1/3) ... [2020-09-25 04:04:36,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b9b374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:04:36, skipping insertion in model container [2020-09-25 04:04:36,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:35" (2/3) ... [2020-09-25 04:04:36,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b9b374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:04:36, skipping insertion in model container [2020-09-25 04:04:36,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:04:36" (3/3) ... [2020-09-25 04:04:36,687 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2020-09-25 04:04:36,700 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:04:36,715 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:04:36,739 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:04:36,788 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:04:36,789 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:04:36,789 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:04:36,789 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:04:36,789 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:04:36,789 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:04:36,790 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:04:36,790 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:04:36,839 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-25 04:04:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 04:04:36,873 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:04:36,875 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] [2020-09-25 04:04:36,875 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:04:36,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:04:36,885 INFO L82 PathProgramCache]: Analyzing trace with hash 712153127, now seen corresponding path program 1 times [2020-09-25 04:04:36,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:04:36,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081456193] [2020-09-25 04:04:36,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:04:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:37,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:37,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:39,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:40,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:42,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:42,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 04:04:42,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:04:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 04:04:42,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:42,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:04:42,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:42,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:04:42,946 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:42,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:04:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:43,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:43,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:04:43,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:43,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 04:04:43,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:43,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:43,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:04:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:43,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:43,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:43,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:43,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:43,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:43,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:43,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:43,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:43,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:04:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:43,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:43,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:43,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:43,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:43,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:04:43,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:43,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:43,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:43,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:43,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:43,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:04:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:43,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:43,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:43,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:43,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:43,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:04:43,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:43,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:43,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:43,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:43,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:43,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:43,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:04:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:43,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:43,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:43,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:43,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:43,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:04:43,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:43,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:43,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:43,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:43,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:43,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:43,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:04:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:43,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:43,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:43,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:43,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:43,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:43,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:43,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:43,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:43,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 04:04:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:43,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:43,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:43,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:43,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:43,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:04:43,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:43,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:43,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:43,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:43,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:43,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:43,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:04:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:43,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:43,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:43,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:43,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:43,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:43,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:43,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:43,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:43,289 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 04:04:43,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081456193] [2020-09-25 04:04:43,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:04:43,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:04:43,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576090750] [2020-09-25 04:04:43,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:04:43,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:04:43,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:04:43,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:04:43,341 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 4 states. [2020-09-25 04:04:44,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:04:44,732 INFO L93 Difference]: Finished difference Result 489 states and 577 transitions. [2020-09-25 04:04:44,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:04:44,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 04:04:44,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:04:44,756 INFO L225 Difference]: With dead ends: 489 [2020-09-25 04:04:44,756 INFO L226 Difference]: Without dead ends: 312 [2020-09-25 04:04:44,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:04:44,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-25 04:04:44,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 262. [2020-09-25 04:04:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-25 04:04:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 284 transitions. [2020-09-25 04:04:44,924 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 284 transitions. Word has length 148 [2020-09-25 04:04:44,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:04:44,925 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 284 transitions. [2020-09-25 04:04:44,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:04:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 284 transitions. [2020-09-25 04:04:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 04:04:44,930 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:04:44,930 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] [2020-09-25 04:04:44,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:04:44,931 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:04:44,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:04:44,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1114292978, now seen corresponding path program 1 times [2020-09-25 04:04:44,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:04:44,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518847360] [2020-09-25 04:04:44,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:04:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:45,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:45,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:46,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:47,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:48,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:49,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:50,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:50,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 04:04:50,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:04:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 04:04:50,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:50,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:04:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:04:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:04:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:50,310 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:04:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:50,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:50,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:50,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:04:50,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 04:04:50,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:50,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:50,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:50,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:04:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:50,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:50,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:50,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:50,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:50,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:50,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:50,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:50,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:50,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:50,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:04:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:50,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:50,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:50,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:50,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:50,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:50,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:50,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:50,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:50,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:04:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:50,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:50,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:50,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:50,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:50,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:04:50,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:50,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:50,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:50,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:04:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:50,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:50,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:50,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:50,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:50,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:04:50,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:50,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:50,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:04:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:50,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:50,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:50,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:50,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:50,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:50,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:50,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:50,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:50,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 04:04:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:50,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:50,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:50,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:50,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:50,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:50,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:50,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:50,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:50,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:50,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:50,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:50,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 04:04:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:50,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:50,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:50,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:50,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:50,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:50,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:50,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:50,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:50,542 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 04:04:50,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518847360] [2020-09-25 04:04:50,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:04:50,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:04:50,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582234787] [2020-09-25 04:04:50,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:04:50,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:04:50,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:04:50,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:04:50,547 INFO L87 Difference]: Start difference. First operand 262 states and 284 transitions. Second operand 5 states. [2020-09-25 04:04:51,288 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:04:52,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:04:52,287 INFO L93 Difference]: Finished difference Result 409 states and 462 transitions. [2020-09-25 04:04:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:04:52,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 04:04:52,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:04:52,293 INFO L225 Difference]: With dead ends: 409 [2020-09-25 04:04:52,294 INFO L226 Difference]: Without dead ends: 301 [2020-09-25 04:04:52,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:04:52,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-25 04:04:52,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 252. [2020-09-25 04:04:52,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-09-25 04:04:52,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 271 transitions. [2020-09-25 04:04:52,354 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 271 transitions. Word has length 149 [2020-09-25 04:04:52,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:04:52,355 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 271 transitions. [2020-09-25 04:04:52,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:04:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 271 transitions. [2020-09-25 04:04:52,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-25 04:04:52,358 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:04:52,358 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] [2020-09-25 04:04:52,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:04:52,359 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:04:52,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:04:52,360 INFO L82 PathProgramCache]: Analyzing trace with hash 185312608, now seen corresponding path program 1 times [2020-09-25 04:04:52,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:04:52,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624118483] [2020-09-25 04:04:52,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:04:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:52,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:53,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:54,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:55,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:57,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:57,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:57,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-25 04:04:57,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:04:57,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-09-25 04:04:57,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:57,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:04:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:04:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:04:57,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:57,830 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:04:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:57,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:57,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:57,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:04:57,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:57,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 04:04:57,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:57,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:57,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:58,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:04:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:58,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:58,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:58,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:58,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:04:58,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:58,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:58,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:04:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:58,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:58,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:58,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:58,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:58,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:58,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:58,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:04:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:58,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:58,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:58,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:58,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:58,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:04:58,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:58,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:58,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:04:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:58,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:58,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:58,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:58,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:58,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:58,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:58,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:58,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:58,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:58,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:58,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:04:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:58,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:58,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:58,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:58,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:58,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:58,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:58,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:58,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:58,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:58,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:04:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:58,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:58,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:58,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:58,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:58,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:04:58,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:58,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:04:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:58,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:04:58,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:58,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 04:04:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:58,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:58,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:58,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:58,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:58,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 04:04:58,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:58,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:04:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:04:58,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:58,199 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 04:04:58,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624118483] [2020-09-25 04:04:58,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:04:58,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:04:58,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339997199] [2020-09-25 04:04:58,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:04:58,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:04:58,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:04:58,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:04:58,206 INFO L87 Difference]: Start difference. First operand 252 states and 271 transitions. Second operand 9 states. [2020-09-25 04:04:58,893 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:05:00,082 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:05:00,422 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 04:05:00,793 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:05:01,152 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 04:05:01,462 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:05:02,391 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:05:02,710 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:05:03,065 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:05:03,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:05:03,646 INFO L93 Difference]: Finished difference Result 515 states and 604 transitions. [2020-09-25 04:05:03,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 04:05:03,647 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-09-25 04:05:03,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:05:03,653 INFO L225 Difference]: With dead ends: 515 [2020-09-25 04:05:03,653 INFO L226 Difference]: Without dead ends: 378 [2020-09-25 04:05:03,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 04:05:03,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-09-25 04:05:03,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 326. [2020-09-25 04:05:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-09-25 04:05:03,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 357 transitions. [2020-09-25 04:05:03,709 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 357 transitions. Word has length 158 [2020-09-25 04:05:03,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:05:03,710 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 357 transitions. [2020-09-25 04:05:03,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:05:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 357 transitions. [2020-09-25 04:05:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 04:05:03,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:05:03,714 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:03,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:05:03,714 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:05:03,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:05:03,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1731960441, now seen corresponding path program 1 times [2020-09-25 04:05:03,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:05:03,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173863725] [2020-09-25 04:05:03,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:05:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:03,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:04,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:04,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:08,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:08,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 04:05:08,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:05:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 04:05:08,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:08,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:05:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-09-25 04:05:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:05:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,143 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:05:09,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:05:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:05:09,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 04:05:09,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:05:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:09,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:09,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:05:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:09,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:09,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:05:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:09,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:09,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:05:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:09,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:09,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:05:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:05:09,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:09,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 04:05:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 04:05:09,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 04:05:09,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:05:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 04:05:09,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:05:09,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:05:09,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 04:05:09,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:05:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 04:05:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:05:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:05:09,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:05:09,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:05:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 04:05:09,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:05:09,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 04:05:09,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:05:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 04:05:09,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:09,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:05:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:09,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:09,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 04:05:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:05:09,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:09,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 04:05:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:09,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:09,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 04:05:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:09,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:09,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:05:09,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173863725] [2020-09-25 04:05:09,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:05:09,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:05:09,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573030457] [2020-09-25 04:05:09,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:05:09,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:05:09,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:05:09,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:05:09,835 INFO L87 Difference]: Start difference. First operand 326 states and 357 transitions. Second operand 10 states. [2020-09-25 04:05:11,366 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:05:11,717 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 04:05:12,063 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 04:05:12,401 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:05:12,783 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 04:05:13,085 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:05:13,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:05:13,938 INFO L93 Difference]: Finished difference Result 622 states and 737 transitions. [2020-09-25 04:05:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 04:05:13,938 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-09-25 04:05:13,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:05:13,942 INFO L225 Difference]: With dead ends: 622 [2020-09-25 04:05:13,942 INFO L226 Difference]: Without dead ends: 411 [2020-09-25 04:05:13,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 04:05:13,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-09-25 04:05:14,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 340. [2020-09-25 04:05:14,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-09-25 04:05:14,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 372 transitions. [2020-09-25 04:05:14,015 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 372 transitions. Word has length 213 [2020-09-25 04:05:14,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:05:14,016 INFO L479 AbstractCegarLoop]: Abstraction has 340 states and 372 transitions. [2020-09-25 04:05:14,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:05:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 372 transitions. [2020-09-25 04:05:14,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 04:05:14,019 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:05:14,019 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:14,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:05:14,020 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:05:14,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:05:14,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1123207463, now seen corresponding path program 1 times [2020-09-25 04:05:14,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:05:14,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537230373] [2020-09-25 04:05:14,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:05:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:14,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:14,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:14,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 04:05:19,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:05:19,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 04:05:19,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:05:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-09-25 04:05:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:05:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,424 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:05:19,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:05:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:05:19,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 04:05:19,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:05:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:19,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:05:19,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:05:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:19,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:05:19,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:05:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:19,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:19,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:05:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:19,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:19,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:05:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:05:19,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:19,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 04:05:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 04:05:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 04:05:19,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:05:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:05:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:05:19,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:05:19,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 04:05:19,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:05:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 04:05:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:05:19,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:05:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:05:19,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:05:19,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:05:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:05:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:19,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:05:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 04:05:19,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:05:19,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 04:05:19,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:05:19,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:05:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 04:05:19,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:19,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:05:19,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:05:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:19,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:19,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:05:19,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 04:05:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:05:19,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:05:19,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:19,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:05:19,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 04:05:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:19,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:19,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:19,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:19,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 04:05:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:19,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:19,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:19,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:19,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:19,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:19,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:19,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:05:20,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537230373] [2020-09-25 04:05:20,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:05:20,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:05:20,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535791300] [2020-09-25 04:05:20,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:05:20,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:05:20,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:05:20,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:05:20,031 INFO L87 Difference]: Start difference. First operand 340 states and 372 transitions. Second operand 9 states.