/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_spec5_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:05:04,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:05:04,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:05:04,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:05:04,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:05:04,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:05:04,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:05:04,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:05:04,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:05:04,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:05:04,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:05:04,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:05:04,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:05:04,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:05:04,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:05:04,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:05:04,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:05:04,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:05:04,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:05:04,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:05:04,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:05:04,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:05:04,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:05:04,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:05:04,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:05:04,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:05:04,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:05:04,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:05:04,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:05:04,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:05:04,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:05:04,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:05:04,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:05:04,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:05:04,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:05:04,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:05:04,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:05:04,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:05:04,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:05:04,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:05:04,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:05:04,585 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 03:05:04,610 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:05:04,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:05:04,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:05:04,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:05:04,613 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:05:04,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:05:04,613 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:05:04,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:05:04,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:05:04,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:05:04,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:05:04,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:05:04,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:05:04,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:05:04,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:05:04,615 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:05:04,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:05:04,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:05:04,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:05:04,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:05:04,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:05:04,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:05:04,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:05:04,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:05:04,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:05:04,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:05:04,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:05:04,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:05:04,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:05:04,618 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 03:05:05,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:05:05,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:05:05,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:05:05,097 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:05:05,097 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:05:05,099 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-25 03:05:05,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/889925890/f95ce8556f6947c8b7870e2ae55911d1/FLAG7dac7548e [2020-09-25 03:05:05,814 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:05:05,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-25 03:05:05,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/889925890/f95ce8556f6947c8b7870e2ae55911d1/FLAG7dac7548e [2020-09-25 03:05:06,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/889925890/f95ce8556f6947c8b7870e2ae55911d1 [2020-09-25 03:05:06,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:05:06,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:05:06,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:05:06,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:05:06,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:05:06,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:05:06" (1/1) ... [2020-09-25 03:05:06,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06, skipping insertion in model container [2020-09-25 03:05:06,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:05:06" (1/1) ... [2020-09-25 03:05:06,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:05:06,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:05:06,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:05:06,695 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:05:06,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:05:06,825 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:05:06,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06 WrapperNode [2020-09-25 03:05:06,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:05:06,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:05:06,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:05:06,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:05:06,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06" (1/1) ... [2020-09-25 03:05:06,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06" (1/1) ... [2020-09-25 03:05:06,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06" (1/1) ... [2020-09-25 03:05:06,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06" (1/1) ... [2020-09-25 03:05:06,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06" (1/1) ... [2020-09-25 03:05:06,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06" (1/1) ... [2020-09-25 03:05:06,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06" (1/1) ... [2020-09-25 03:05:06,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:05:06,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:05:06,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:05:06,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:05:06,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06" (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 03:05:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:05:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:05:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:05:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:05:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:05:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:05:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:05:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:05:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:05:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:05:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:05:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:05:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:05:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:05:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:05:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:05:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:05:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:05:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:05:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:05:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:05:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:05:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:05:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:05:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:05:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:05:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:05:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:05:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:05:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:05:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:05:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:05:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:05:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:05:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:05:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:05:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:05:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:05:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:05:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:05:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:05:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:05:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:05:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:05:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:05:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:05:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:05:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:05:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:05:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:05:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:05:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:05:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:05:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:05:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:05:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:05:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:05:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:05:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:05:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:05:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:05:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:05:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:05:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:05:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:05:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:05:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:05:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:05:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:05:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:05:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:05:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:05:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:05:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:05:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:05:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:05:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:05:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:05:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:05:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:05:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:05:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:05:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:05:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:05:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:05:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:05:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:05:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:05:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:05:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:05:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:05:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:05:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:05:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:05:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:05:07,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:05:08,172 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:05:08,172 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:05:08,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:05:08 BoogieIcfgContainer [2020-09-25 03:05:08,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:05:08,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:05:08,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:05:08,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:05:08,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:05:06" (1/3) ... [2020-09-25 03:05:08,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ee5481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:05:08, skipping insertion in model container [2020-09-25 03:05:08,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:06" (2/3) ... [2020-09-25 03:05:08,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ee5481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:05:08, skipping insertion in model container [2020-09-25 03:05:08,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:05:08" (3/3) ... [2020-09-25 03:05:08,190 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-09-25 03:05:08,201 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:05:08,213 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:05:08,235 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:05:08,268 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:05:08,269 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:05:08,269 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:05:08,269 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:05:08,269 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:05:08,269 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:05:08,270 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:05:08,270 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:05:08,298 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states. [2020-09-25 03:05:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:05:08,317 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:08,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:08,319 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:08,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:08,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1646918823, now seen corresponding path program 1 times [2020-09-25 03:05:08,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:08,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574591480] [2020-09-25 03:05:08,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:08,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:08,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:09,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:11,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 03:05:13,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:05:13,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 03:05:13,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:05:13,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:05:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 03:05:13,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 03:05:14,260 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:14,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:14,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-09-25 03:05:14,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:05:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:14,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:14,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:14,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:14,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:05:14,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:14,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:05:14,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:14,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:14,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:14,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:14,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:14,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:14,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:14,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:14,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:14,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:05:14,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:14,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:14,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:14,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:14,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:14,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:05:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:14,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:14,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:14,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:05:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:14,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:14,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 03:05:14,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:14,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 03:05:14,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574591480] [2020-09-25 03:05:14,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:14,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:05:14,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250696453] [2020-09-25 03:05:14,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:05:14,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:14,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:05:14,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:05:14,949 INFO L87 Difference]: Start difference. First operand 328 states. Second operand 9 states. [2020-09-25 03:05:15,617 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:16,434 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:16,790 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:18,367 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:18,664 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:19,047 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:19,531 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:19,878 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:20,183 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:20,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:20,745 INFO L93 Difference]: Finished difference Result 635 states and 762 transitions. [2020-09-25 03:05:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:05:20,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 03:05:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:20,772 INFO L225 Difference]: With dead ends: 635 [2020-09-25 03:05:20,772 INFO L226 Difference]: Without dead ends: 431 [2020-09-25 03:05:20,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:05:20,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-09-25 03:05:20,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 385. [2020-09-25 03:05:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-09-25 03:05:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 429 transitions. [2020-09-25 03:05:20,919 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 429 transitions. Word has length 160 [2020-09-25 03:05:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:20,920 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 429 transitions. [2020-09-25 03:05:20,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:05:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 429 transitions. [2020-09-25 03:05:20,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 03:05:20,927 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:20,927 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:20,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:05:20,928 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:20,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:20,928 INFO L82 PathProgramCache]: Analyzing trace with hash 2048933512, now seen corresponding path program 1 times [2020-09-25 03:05:20,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:20,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77970027] [2020-09-25 03:05:20,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:21,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:21,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:21,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 03:05:21,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:21,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 950 [2020-09-25 03:05:21,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:21,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:21,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 03:05:21,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:22,303 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:22,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:22,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 03:05:22,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:22,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:22,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:22,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:22,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:22,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:22,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:22,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:05:22,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:22,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:22,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:05:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:22,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:22,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:22,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:05:22,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:05:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:05:22,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 03:05:22,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:05:22,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:22,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:22,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 03:05:22,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:22,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:22,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:22,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:22,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 03:05:22,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:05:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:22,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:22,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:05:22,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:22,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:22,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:22,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:05:22,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:22,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:22,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:22,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:22,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:22,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:22,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:22,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 03:05:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:22,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:22,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 03:05:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:22,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:22,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:22,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:22,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:22,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:05:23,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77970027] [2020-09-25 03:05:23,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:23,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:05:23,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932843133] [2020-09-25 03:05:23,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:05:23,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:23,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:05:23,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:05:23,027 INFO L87 Difference]: Start difference. First operand 385 states and 429 transitions. Second operand 9 states. [2020-09-25 03:05:24,461 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:24,778 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:25,147 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:25,486 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:25,801 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:26,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:26,831 INFO L93 Difference]: Finished difference Result 747 states and 905 transitions. [2020-09-25 03:05:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 03:05:26,833 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-25 03:05:26,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:26,841 INFO L225 Difference]: With dead ends: 747 [2020-09-25 03:05:26,842 INFO L226 Difference]: Without dead ends: 477 [2020-09-25 03:05:26,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 03:05:26,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-09-25 03:05:26,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 397. [2020-09-25 03:05:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-25 03:05:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 447 transitions. [2020-09-25 03:05:26,916 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 447 transitions. Word has length 230 [2020-09-25 03:05:26,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:26,917 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 447 transitions. [2020-09-25 03:05:26,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:05:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 447 transitions. [2020-09-25 03:05:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 03:05:26,921 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:26,921 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:26,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:05:26,922 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:26,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:26,922 INFO L82 PathProgramCache]: Analyzing trace with hash 191488810, now seen corresponding path program 1 times [2020-09-25 03:05:26,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:26,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063686964] [2020-09-25 03:05:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 03:05:29,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:29,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2308 [2020-09-25 03:05:29,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:29,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 03:05:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:29,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,597 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:29,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:29,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 03:05:29,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:29,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:29,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:29,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:29,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:29,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:29,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:29,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:29,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:29,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:29,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:05:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:29,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:29,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:29,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:29,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:05:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:05:29,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 03:05:29,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 03:05:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:29,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:30,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:30,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:30,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:30,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 03:05:30,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:05:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:30,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:30,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:30,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:30,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:30,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:30,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:30,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 03:05:30,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:05:30,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:30,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:30,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:30,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:30,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:30,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:30,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:30,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:30,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:30,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:30,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:30,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:30,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:30,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:30,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:05:30,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:30,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:30,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:30,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:30,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:30,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:30,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:30,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:30,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:30,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:30,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:30,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:30,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:30,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:30,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:30,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:30,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:30,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:30,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:30,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:30,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:30,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:30,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:30,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:30,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:30,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:30,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:30,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 03:05:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:30,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:30,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:30,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:30,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:30,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:30,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 03:05:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:30,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:30,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:30,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:30,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:30,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:30,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:05:30,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063686964] [2020-09-25 03:05:30,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:30,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:05:30,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856778131] [2020-09-25 03:05:30,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:05:30,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:30,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:05:30,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:05:30,357 INFO L87 Difference]: Start difference. First operand 397 states and 447 transitions. Second operand 10 states. [2020-09-25 03:05:31,945 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:32,268 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:32,602 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:32,988 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:33,338 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:33,658 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:34,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:34,677 INFO L93 Difference]: Finished difference Result 765 states and 929 transitions. [2020-09-25 03:05:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:05:34,677 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 221 [2020-09-25 03:05:34,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:34,682 INFO L225 Difference]: With dead ends: 765 [2020-09-25 03:05:34,683 INFO L226 Difference]: Without dead ends: 483 [2020-09-25 03:05:34,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:05:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-09-25 03:05:34,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 405. [2020-09-25 03:05:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-25 03:05:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 455 transitions. [2020-09-25 03:05:34,753 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 455 transitions. Word has length 221 [2020-09-25 03:05:34,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:34,754 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 455 transitions. [2020-09-25 03:05:34,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:05:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 455 transitions. [2020-09-25 03:05:34,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-25 03:05:34,758 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:34,759 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:34,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:05:34,759 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:34,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:34,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1095445925, now seen corresponding path program 1 times [2020-09-25 03:05:34,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:34,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553101907] [2020-09-25 03:05:34,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:34,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:34,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:35,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:35,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:39,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:39,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-09-25 03:05:39,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:05:39,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5106 [2020-09-25 03:05:39,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:39,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 03:05:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:05:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-09-25 03:05:39,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:40,266 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:40,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-25 03:05:40,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:05:40,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:40,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:40,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:40,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:40,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:40,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:40,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:40,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:40,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:40,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:40,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:40,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:05:40,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:40,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:40,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:40,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:40,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:40,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:40,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:40,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:40,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:40,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:40,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 03:05:40,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:40,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 03:05:40,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:05:40,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:05:40,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 03:05:40,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:40,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:40,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:05:40,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:40,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:40,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:40,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:40,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:40,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 03:05:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:05:40,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:05:40,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 03:05:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:05:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:40,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:40,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:05:40,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:05:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:40,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 03:05:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:40,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:40,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:40,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:40,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:40,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:40,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:05:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:05:41,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 03:05:41,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 03:05:41,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 03:05:41,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:41,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:41,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 03:05:41,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 03:05:41,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:41,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:05:41,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:41,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:41,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:41,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:05:41,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:41,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 03:05:41,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 03:05:41,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:41,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:41,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:41,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:41,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:41,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:41,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:41,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:41,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:41,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:41,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:41,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 03:05:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:41,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:41,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:41,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:41,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:41,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 03:05:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:41,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:41,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:41,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:41,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:41,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 03:05:41,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553101907] [2020-09-25 03:05:41,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:05:41,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 03:05:41,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79554906] [2020-09-25 03:05:41,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 03:05:41,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:41,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 03:05:41,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:05:41,426 INFO L87 Difference]: Start difference. First operand 405 states and 455 transitions. Second operand 16 states. [2020-09-25 03:05:42,179 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:43,477 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 03:05:44,151 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:44,506 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:45,161 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 03:05:45,783 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-25 03:05:46,420 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 03:05:47,151 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 03:05:47,747 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 03:05:50,384 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:50,766 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:51,091 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:51,723 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 03:05:52,380 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-25 03:05:53,051 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 03:05:54,232 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:54,536 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:54,851 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:05:55,180 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-25 03:05:55,536 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:05:55,830 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:56,880 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191