/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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:02:46,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:02:46,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:02:46,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:02:46,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:02:46,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:02:46,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:02:46,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:02:46,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:02:46,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:02:46,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:02:46,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:02:46,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:02:46,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:02:46,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:02:46,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:02:46,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:02:46,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:02:46,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:02:47,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:02:47,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:02:47,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:02:47,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:02:47,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:02:47,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:02:47,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:02:47,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:02:47,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:02:47,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:02:47,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:02:47,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:02:47,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:02:47,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:02:47,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:02:47,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:02:47,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:02:47,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:02:47,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:02:47,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:02:47,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:02:47,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:02:47,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:02:47,074 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:02:47,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:02:47,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:02:47,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:02:47,077 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:02:47,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:02:47,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:02:47,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:02:47,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:02:47,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:02:47,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:02:47,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:02:47,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:02:47,081 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:02:47,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:02:47,081 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:02:47,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:02:47,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:02:47,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:02:47,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:02:47,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:02:47,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:02:47,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:02:47,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:02:47,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:02:47,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:02:47,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:02:47,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:02:47,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:02:47,088 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:02:47,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:02:47,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:02:47,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:02:47,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:02:47,563 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:02:47,564 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-09-25 03:02:47,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d671d22e/5d9452ca21144744a61f641ada78322d/FLAG1b20daab8 [2020-09-25 03:02:48,293 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:02:48,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-09-25 03:02:48,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d671d22e/5d9452ca21144744a61f641ada78322d/FLAG1b20daab8 [2020-09-25 03:02:48,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d671d22e/5d9452ca21144744a61f641ada78322d [2020-09-25 03:02:48,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:02:48,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:02:48,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:02:48,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:02:48,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:02:48,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:02:48" (1/1) ... [2020-09-25 03:02:48,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:48, skipping insertion in model container [2020-09-25 03:02:48,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:02:48" (1/1) ... [2020-09-25 03:02:48,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:02:48,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:02:49,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:02:49,046 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:02:49,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:02:49,307 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:02:49,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49 WrapperNode [2020-09-25 03:02:49,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:02:49,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:02:49,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:02:49,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:02:49,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49" (1/1) ... [2020-09-25 03:02:49,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49" (1/1) ... [2020-09-25 03:02:49,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49" (1/1) ... [2020-09-25 03:02:49,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49" (1/1) ... [2020-09-25 03:02:49,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49" (1/1) ... [2020-09-25 03:02:49,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49" (1/1) ... [2020-09-25 03:02:49,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49" (1/1) ... [2020-09-25 03:02:49,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:02:49,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:02:49,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:02:49,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:02:49,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:02:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:02:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:02:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:02:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:02:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:02:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:02:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:02:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:02:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:02:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:02:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:02:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:02:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:02:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:02:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:02:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:02:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:02:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:02:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:02:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:02:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:02:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:02:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:02:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:02:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:02:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:02:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:02:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:02:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:02:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:02:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:02:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:02:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:02:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:02:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:02:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:02:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:02:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:02:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:02:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:02:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:02:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:02:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:02:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:02:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:02:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:02:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:02:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:02:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:02:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:02:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:02:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:02:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:02:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:02:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:02:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:02:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:02:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:02:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:02:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:02:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:02:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:02:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:02:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:02:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:02:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:02:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:02:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:02:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:02:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:02:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:02:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:02:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:02:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:02:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:02:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:02:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:02:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:02:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:02:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:02:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:02:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:02:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:02:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:02:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:02:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:02:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:02:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:02:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:02:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:02:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:02:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:02:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:02:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:02:50,790 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:02:50,791 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:02:50,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:02:50 BoogieIcfgContainer [2020-09-25 03:02:50,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:02:50,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:02:50,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:02:50,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:02:50,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:02:48" (1/3) ... [2020-09-25 03:02:50,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eac75a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:02:50, skipping insertion in model container [2020-09-25 03:02:50,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:49" (2/3) ... [2020-09-25 03:02:50,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eac75a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:02:50, skipping insertion in model container [2020-09-25 03:02:50,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:02:50" (3/3) ... [2020-09-25 03:02:50,809 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2020-09-25 03:02:50,821 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:02:50,832 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:02:50,857 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:02:50,895 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:02:50,895 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:02:50,895 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:02:50,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:02:50,896 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:02:50,896 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:02:50,896 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:02:50,896 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:02:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2020-09-25 03:02:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:02:50,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:02:50,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:02:50,952 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:02:50,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:02:50,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1194640378, now seen corresponding path program 1 times [2020-09-25 03:02:50,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:02:50,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193682032] [2020-09-25 03:02:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:02:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:51,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:51,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:52,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:56,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:56,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:02:56,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:02:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 03:02:56,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:56,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:02:56,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 03:02:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 03:02:56,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:02:56,911 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:02:56,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:02:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:57,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:57,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:57,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:02:57,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:57,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-09-25 03:02:57,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:57,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:02:57,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:57,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:02:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:57,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:57,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:57,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:57,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:57,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:02:57,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:57,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:02:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:57,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:57,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:57,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:57,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:02:57,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:57,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:57,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:02:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:57,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:57,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:57,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:57,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:02:57,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:57,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:57,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:02:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:57,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:57,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:57,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:57,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 03:02:57,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:57,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:57,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:02:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:57,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:57,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:57,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:57,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:57,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:02:57,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:57,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:57,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:02:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:57,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:57,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:57,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 03:02:57,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:02:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:02:57,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193682032] [2020-09-25 03:02:57,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:02:57,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:02:57,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299866729] [2020-09-25 03:02:57,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:02:57,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:02:57,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:02:57,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:02:57,674 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 8 states. [2020-09-25 03:02:58,338 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:59,653 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:00,001 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:00,280 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:00,565 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:00,884 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:01,605 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:01,912 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:02,284 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:03:03,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:03,539 INFO L93 Difference]: Finished difference Result 600 states and 746 transitions. [2020-09-25 03:03:03,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 03:03:03,542 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 03:03:03,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:03,576 INFO L225 Difference]: With dead ends: 600 [2020-09-25 03:03:03,576 INFO L226 Difference]: Without dead ends: 399 [2020-09-25 03:03:03,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:03:03,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-09-25 03:03:03,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 357. [2020-09-25 03:03:03,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-25 03:03:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 409 transitions. [2020-09-25 03:03:03,743 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 409 transitions. Word has length 142 [2020-09-25 03:03:03,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:03,744 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 409 transitions. [2020-09-25 03:03:03,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:03:03,745 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 409 transitions. [2020-09-25 03:03:03,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 03:03:03,750 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:03,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:03:03,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:03:03,751 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:03,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:03,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1791967861, now seen corresponding path program 1 times [2020-09-25 03:03:03,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:03,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188973475] [2020-09-25 03:03:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:03,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:04,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:08,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-25 03:03:08,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 03:03:08,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 03:03:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:03:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 03:03:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:09,226 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:09,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:09,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 03:03:09,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:03:09,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:09,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:09,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:09,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:09,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:09,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:09,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:09,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:09,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:09,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:09,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:09,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:09,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:09,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:03:09,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:09,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:09,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:09,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:09,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:09,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:09,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:09,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:09,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 03:03:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 03:03:09,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:09,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 03:03:09,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:09,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:09,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 03:03:09,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:09,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:03:09,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:09,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 03:03:09,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:03:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:03:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:03:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:09,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:03:09,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 03:03:09,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:09,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:09,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:03:09,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:09,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:03:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:03:09,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:09,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:09,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:03:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:09,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:09,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:09,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 03:03:09,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:09,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 03:03:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:09,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:09,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:09,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 03:03:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:09,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:09,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:09,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:03:10,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188973475] [2020-09-25 03:03:10,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:03:10,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 03:03:10,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027952414] [2020-09-25 03:03:10,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 03:03:10,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:10,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 03:03:10,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-09-25 03:03:10,055 INFO L87 Difference]: Start difference. First operand 357 states and 409 transitions. Second operand 14 states. [2020-09-25 03:03:10,634 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:11,704 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:12,067 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:12,404 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:12,777 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:13,160 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:13,728 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:14,060 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:14,421 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:14,810 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:03:15,200 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:03:15,570 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:15,971 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:16,349 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:16,976 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:17,340 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:17,750 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:03:18,104 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:03:18,452 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:18,752 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:03:20,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:20,226 INFO L93 Difference]: Finished difference Result 887 states and 1145 transitions. [2020-09-25 03:03:20,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 03:03:20,229 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 190 [2020-09-25 03:03:20,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:20,236 INFO L225 Difference]: With dead ends: 887 [2020-09-25 03:03:20,237 INFO L226 Difference]: Without dead ends: 640 [2020-09-25 03:03:20,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=203, Invalid=987, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 03:03:20,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-09-25 03:03:20,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 539. [2020-09-25 03:03:20,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-09-25 03:03:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 632 transitions. [2020-09-25 03:03:20,333 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 632 transitions. Word has length 190 [2020-09-25 03:03:20,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:20,334 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 632 transitions. [2020-09-25 03:03:20,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 03:03:20,334 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 632 transitions. [2020-09-25 03:03:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-25 03:03:20,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:20,339 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:03:20,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:03:20,340 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:20,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:20,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1941761769, now seen corresponding path program 1 times [2020-09-25 03:03:20,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:20,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110434651] [2020-09-25 03:03:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:20,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:20,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:20,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:20,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:21,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:21,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:25,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:25,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-25 03:03:25,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 03:03:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 03:03:25,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-25 03:03:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:03:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-25 03:03:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:25,801 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:25,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:25,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:26,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-25 03:03:26,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:03:26,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:26,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:26,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:26,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:03:26,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:26,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:03:26,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:26,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:26,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:26,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:26,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 21 [2020-09-25 03:03:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:26,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:03:26,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:26,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 03:03:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:03:26,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:03:26,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:03:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:03:26,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 03:03:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 03:03:26,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 03:03:26,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:03:26,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:03:26,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 03:03:26,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:03:26,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:03:26,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:03:26,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:26,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 03:03:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 03:03:26,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 03:03:26,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:03:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:03:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 03:03:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:03:26,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:03:26,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:03:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:26,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:03:26,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:26,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 03:03:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 03:03:26,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:26,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 03:03:26,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 03:03:26,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 03:03:26,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:03:26,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:26,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 03:03:26,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 03:03:26,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:03:26,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 03:03:26,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:03:26,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:26,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:03:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:03:26,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:26,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:03:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:26,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:03:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:26,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:03:26,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:03:26,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 03:03:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:26,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:26,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:26,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:26,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:26,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-25 03:03:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:26,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:26,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:26,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:26,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:26,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:26,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:26,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-25 03:03:26,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110434651] [2020-09-25 03:03:26,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:03:26,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 03:03:26,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653130941] [2020-09-25 03:03:26,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 03:03:26,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:26,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 03:03:26,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-25 03:03:26,918 INFO L87 Difference]: Start difference. First operand 539 states and 632 transitions. Second operand 11 states. [2020-09-25 03:03:27,443 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:03:28,514 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:30,049 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:30,688 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:34,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:34,393 INFO L93 Difference]: Finished difference Result 1830 states and 2603 transitions. [2020-09-25 03:03:34,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 03:03:34,394 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 244 [2020-09-25 03:03:34,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:34,410 INFO L225 Difference]: With dead ends: 1830 [2020-09-25 03:03:34,410 INFO L226 Difference]: Without dead ends: 1568 [2020-09-25 03:03:34,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2020-09-25 03:03:34,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2020-09-25 03:03:34,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1324. [2020-09-25 03:03:34,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1324 states. [2020-09-25 03:03:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1715 transitions. [2020-09-25 03:03:34,642 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1715 transitions. Word has length 244 [2020-09-25 03:03:34,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:34,644 INFO L479 AbstractCegarLoop]: Abstraction has 1324 states and 1715 transitions. [2020-09-25 03:03:34,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 03:03:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1715 transitions. [2020-09-25 03:03:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-25 03:03:34,649 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:34,650 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:03:34,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:03:34,650 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:34,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:34,651 INFO L82 PathProgramCache]: Analyzing trace with hash -448792521, now seen corresponding path program 1 times [2020-09-25 03:03:34,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:34,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992513825] [2020-09-25 03:03:34,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:34,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:34,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:35,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:36,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:36,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:36,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking...