/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:32:20,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:32:20,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:32:20,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:32:20,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:32:20,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:32:20,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:32:20,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:32:20,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:32:20,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:32:20,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:32:20,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:32:20,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:32:20,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:32:21,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:32:21,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:32:21,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:32:21,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:32:21,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:32:21,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:32:21,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:32:21,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:32:21,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:32:21,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:32:21,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:32:21,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:32:21,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:32:21,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:32:21,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:32:21,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:32:21,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:32:21,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:32:21,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:32:21,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:32:21,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:32:21,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:32:21,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:32:21,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:32:21,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:32:21,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:32:21,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:32:21,050 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 06:32:21,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:32:21,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:32:21,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:32:21,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:32:21,101 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:32:21,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:32:21,102 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:32:21,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:32:21,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:32:21,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:32:21,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:32:21,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:32:21,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:32:21,105 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:32:21,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:32:21,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:32:21,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:32:21,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:32:21,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:32:21,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:32:21,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:32:21,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:32:21,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:32:21,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:32:21,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:32:21,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:32:21,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:32:21,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:32:21,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:32:21,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:32:21,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:32:21,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:32:21,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:32:21,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:32:21,581 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:32:21,582 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-25 06:32:21,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8837faaf3/cb7eb6fa45684721bdafeda165dcf3c0/FLAGc9fc374e7 [2020-09-25 06:32:22,283 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:32:22,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-25 06:32:22,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8837faaf3/cb7eb6fa45684721bdafeda165dcf3c0/FLAGc9fc374e7 [2020-09-25 06:32:22,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8837faaf3/cb7eb6fa45684721bdafeda165dcf3c0 [2020-09-25 06:32:22,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:32:22,567 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:32:22,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:32:22,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:32:22,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:32:22,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:32:22" (1/1) ... [2020-09-25 06:32:22,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:22, skipping insertion in model container [2020-09-25 06:32:22,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:32:22" (1/1) ... [2020-09-25 06:32:22,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:32:22,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:32:23,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:32:23,176 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:32:23,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:32:23,333 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:32:23,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23 WrapperNode [2020-09-25 06:32:23,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:32:23,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:32:23,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:32:23,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:32:23,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ... [2020-09-25 06:32:23,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ... [2020-09-25 06:32:23,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ... [2020-09-25 06:32:23,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ... [2020-09-25 06:32:23,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ... [2020-09-25 06:32:23,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ... [2020-09-25 06:32:23,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ... [2020-09-25 06:32:23,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:32:23,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:32:23,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:32:23,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:32:23,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (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 06:32:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:32:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:32:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:32:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:32:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:32:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:32:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:32:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:32:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:32:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:32:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 06:32:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:32:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 06:32:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:32:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:32:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:32:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:32:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:32:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 06:32:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:32:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:32:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:32:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:32:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:32:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:32:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:32:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:32:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:32:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 06:32:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:32:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:32:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:32:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:32:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:32:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:32:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:32:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:32:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:32:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:32:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:32:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:32:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:32:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:32:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:32:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:32:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:32:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:32:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:32:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:32:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:32:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:32:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:32:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:32:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:32:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:32:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:32:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:32:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:32:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:32:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:32:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:32:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:32:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:32:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:32:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:32:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 06:32:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:32:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:32:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:32:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:32:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:32:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:32:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 06:32:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:32:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:32:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 06:32:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:32:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 06:32:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:32:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:32:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:32:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:32:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:32:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:32:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:32:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:32:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:32:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:32:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:32:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:32:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:32:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:32:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:32:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:32:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:32:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:32:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:32:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:32:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:32:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:32:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:32:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:32:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:32:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:32:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:32:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:32:24,787 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:32:24,788 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:32:24,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:24 BoogieIcfgContainer [2020-09-25 06:32:24,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:32:24,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:32:24,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:32:24,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:32:24,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:32:22" (1/3) ... [2020-09-25 06:32:24,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e25b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:24, skipping insertion in model container [2020-09-25 06:32:24,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (2/3) ... [2020-09-25 06:32:24,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e25b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:24, skipping insertion in model container [2020-09-25 06:32:24,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:24" (3/3) ... [2020-09-25 06:32:24,806 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-09-25 06:32:24,818 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:32:24,828 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:32:24,849 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:32:24,878 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:32:24,879 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:32:24,879 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:32:24,879 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:32:24,879 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:32:24,879 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:32:24,879 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:32:24,880 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:32:24,910 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2020-09-25 06:32:24,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 06:32:24,931 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:24,933 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 06:32:24,933 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:24,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:24,942 INFO L82 PathProgramCache]: Analyzing trace with hash -2061936998, now seen corresponding path program 1 times [2020-09-25 06:32:24,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:24,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923370467] [2020-09-25 06:32:24,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:27,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:27,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:30,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:30,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 06:32:30,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:32:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-09-25 06:32:30,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:30,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 06:32:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 06:32:30,817 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:30,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:30,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:30,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:30,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:30,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 06:32:30,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:30,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:30,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:31,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:32:31,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:31,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:31,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:31,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:32:31,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:31,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:31,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:31,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:31,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:32:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:31,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:31,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:32:31,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:32:31,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:31,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:31,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 06:32:31,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 06:32:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:31,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:31,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:32:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:31,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:31,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,248 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 06:32:31,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923370467] [2020-09-25 06:32:31,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:31,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:32:31,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102764768] [2020-09-25 06:32:31,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:32:31,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:31,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:32:31,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:32:31,288 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 4 states. [2020-09-25 06:32:33,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:33,003 INFO L93 Difference]: Finished difference Result 604 states and 711 transitions. [2020-09-25 06:32:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:32:33,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 06:32:33,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:33,026 INFO L225 Difference]: With dead ends: 604 [2020-09-25 06:32:33,026 INFO L226 Difference]: Without dead ends: 371 [2020-09-25 06:32:33,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:32:33,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-09-25 06:32:33,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 318. [2020-09-25 06:32:33,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-09-25 06:32:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 350 transitions. [2020-09-25 06:32:33,153 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 350 transitions. Word has length 160 [2020-09-25 06:32:33,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:33,155 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 350 transitions. [2020-09-25 06:32:33,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:32:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 350 transitions. [2020-09-25 06:32:33,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:32:33,160 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:33,161 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:32:33,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:32:33,161 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:33,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:33,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1396350800, now seen corresponding path program 1 times [2020-09-25 06:32:33,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:33,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921392767] [2020-09-25 06:32:33,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:33,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:33,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:35,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:35,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:36,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 06:32:38,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:32:38,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 06:32:38,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 06:32:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:32:38,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,535 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:38,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:38,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 06:32:38,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:38,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:38,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:38,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:32:38,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:38,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:32:38,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:38,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:38,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:38,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:32:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:38,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:38,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:32:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:38,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:38,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 06:32:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:38,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:32:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:38,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:38,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,795 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 06:32:38,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921392767] [2020-09-25 06:32:38,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:38,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:32:38,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144244845] [2020-09-25 06:32:38,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:32:38,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:38,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:32:38,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:32:38,801 INFO L87 Difference]: Start difference. First operand 318 states and 350 transitions. Second operand 5 states. [2020-09-25 06:32:39,516 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:32:41,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:41,075 INFO L93 Difference]: Finished difference Result 523 states and 595 transitions. [2020-09-25 06:32:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:32:41,076 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 06:32:41,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:41,082 INFO L225 Difference]: With dead ends: 523 [2020-09-25 06:32:41,082 INFO L226 Difference]: Without dead ends: 360 [2020-09-25 06:32:41,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:32:41,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-25 06:32:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 308. [2020-09-25 06:32:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-09-25 06:32:41,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions. [2020-09-25 06:32:41,143 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 161 [2020-09-25 06:32:41,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:41,144 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 337 transitions. [2020-09-25 06:32:41,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:32:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions. [2020-09-25 06:32:41,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 06:32:41,147 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:41,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:32:41,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:32:41,148 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:41,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:41,148 INFO L82 PathProgramCache]: Analyzing trace with hash -877752548, now seen corresponding path program 1 times [2020-09-25 06:32:41,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:41,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879913411] [2020-09-25 06:32:41,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:41,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:41,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:43,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 06:32:46,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:32:46,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 06:32:46,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 06:32:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 06:32:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,580 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:46,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:46,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 06:32:46,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:46,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:46,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:46,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:46,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:46,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:46,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:46,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:46,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:46,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:46,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:46,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:46,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:46,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:46,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:46,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:46,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 06:32:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:46,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:46,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:32:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:32:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:46,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:32:46,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:32:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:46,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:46,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:46,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 06:32:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:46,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:46,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:46,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 06:32:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:46,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:46,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:46,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:46,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:46,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:46,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:46,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:46,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:46,934 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 06:32:46,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1879913411] [2020-09-25 06:32:46,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:46,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 06:32:46,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532714644] [2020-09-25 06:32:46,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:32:46,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:46,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:32:46,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:32:46,937 INFO L87 Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 6 states. [2020-09-25 06:32:47,479 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:32:50,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:50,145 INFO L93 Difference]: Finished difference Result 780 states and 907 transitions. [2020-09-25 06:32:50,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 06:32:50,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 06:32:50,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:50,153 INFO L225 Difference]: With dead ends: 780 [2020-09-25 06:32:50,153 INFO L226 Difference]: Without dead ends: 587 [2020-09-25 06:32:50,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:32:50,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-09-25 06:32:50,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 491. [2020-09-25 06:32:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-09-25 06:32:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 550 transitions. [2020-09-25 06:32:50,238 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 550 transitions. Word has length 174 [2020-09-25 06:32:50,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:50,239 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 550 transitions. [2020-09-25 06:32:50,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 06:32:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 550 transitions. [2020-09-25 06:32:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 06:32:50,242 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:50,242 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] [2020-09-25 06:32:50,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:32:50,243 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:50,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:50,243 INFO L82 PathProgramCache]: Analyzing trace with hash -827236399, now seen corresponding path program 1 times [2020-09-25 06:32:50,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:50,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296796483] [2020-09-25 06:32:50,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:50,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:50,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:51,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:53,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:55,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:55,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 06:32:55,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:32:55,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 06:32:55,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:55,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:55,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:32:55,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 06:32:55,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 06:32:55,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:55,784 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:55,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:55,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:55,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:55,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:55,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:55,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-25 06:32:55,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:55,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:55,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:55,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:55,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:56,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:56,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:56,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:56,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:56,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:56,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:56,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:56,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:56,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:56,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:56,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:56,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:56,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:56,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:56,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:56,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:56,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:56,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 06:32:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:56,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:32:56,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:32:56,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:32:56,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:32:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:56,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:56,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:32:56,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:56,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:32:56,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:56,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:56,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:56,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:56,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:56,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 06:32:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:56,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:56,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:56,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:56,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:32:56,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 06:32:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:56,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:56,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:56,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:56,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:56,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:32:56,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:56,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:32:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:32:56,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:56,237 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 06:32:56,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296796483] [2020-09-25 06:32:56,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:56,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:32:56,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981131726] [2020-09-25 06:32:56,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:32:56,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:56,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:32:56,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:32:56,244 INFO L87 Difference]: Start difference. First operand 491 states and 550 transitions. Second operand 10 states. [2020-09-25 06:32:57,049 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:32:58,058 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:32:58,387 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:32:59,873 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:33:00,178 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:33:00,571 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:33:01,385 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:33:01,722 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 06:33:02,071 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 06:33:03,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:33:03,048 INFO L93 Difference]: Finished difference Result 1184 states and 1411 transitions. [2020-09-25 06:33:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 06:33:03,049 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 06:33:03,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:33:03,056 INFO L225 Difference]: With dead ends: 1184 [2020-09-25 06:33:03,056 INFO L226 Difference]: Without dead ends: 808 [2020-09-25 06:33:03,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 06:33:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-09-25 06:33:03,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 721. [2020-09-25 06:33:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-09-25 06:33:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 810 transitions. [2020-09-25 06:33:03,156 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 810 transitions. Word has length 179 [2020-09-25 06:33:03,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:33:03,157 INFO L479 AbstractCegarLoop]: Abstraction has 721 states and 810 transitions. [2020-09-25 06:33:03,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:33:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 810 transitions. [2020-09-25 06:33:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-25 06:33:03,161 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:33:03,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:33:03,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:33:03,162 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:33:03,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:33:03,162 INFO L82 PathProgramCache]: Analyzing trace with hash -670557693, now seen corresponding path program 1 times [2020-09-25 06:33:03,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:33:03,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509836301] [2020-09-25 06:33:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:33:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:03,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-25 06:33:04,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 845 [2020-09-25 06:33:04,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:33:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-25 06:33:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:33:04,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,401 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:33:04,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:33:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:33:04,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 06:33:04,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:04,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:33:04,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:33:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:33:04,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:33:04,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:04,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:33:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:33:04,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:04,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:33:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:33:04,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:33:04,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:04,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:33:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:33:04,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:04,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:04,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:04,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:04,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:33:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:33:04,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:04,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:04,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 06:33:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:33:04,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:04,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:04,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:04,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:33:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:33:04,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:04,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:04,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:04,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:04,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:33:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:33:04,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:04,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:04,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:04,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:33:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:33:04,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 06:33:04,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:33:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 06:33:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:33:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:33:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 06:33:04,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 06:33:04,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:33:04,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 06:33:04,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:33:04,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:33:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:04,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:04,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:04,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 06:33:04,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:04,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 06:33:04,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:04,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:33:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 06:33:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:33:04,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:04,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:33:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:05,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:05,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:05,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:33:05,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:05,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 06:33:05,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:05,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:33:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 06:33:05,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:33:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:05,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:05,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:05,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:33:05,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:05,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:33:05,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:05,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:05,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:05,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:05,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:05,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:05,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:33:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:05,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:05,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:05,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 06:33:05,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:05,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:33:05,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:05,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:05,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:05,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 06:33:05,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:05,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:05,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:33:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:05,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:05,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:05,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 06:33:05,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:05,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:05,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:05,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:05,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:05,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:05,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:05,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:05,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:33:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:05,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:05,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:05,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:33:05,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:33:05,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:05,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:05,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:05,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 06:33:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:05,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:05,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:05,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:33:05,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:05,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:05,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:05,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:33:05,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:05,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:05,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 06:33:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:05,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:05,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:05,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:33:05,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:05,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:05,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:05,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:05,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:33:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:05,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 06:33:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:33:05,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:33:05,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:33:05,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:33:05,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:33:05,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:33:05,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:33:05,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:33:05,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:33:05,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:33:05,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:33:05,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:33:05,234 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 06:33:05,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509836301] [2020-09-25 06:33:05,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:33:05,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 06:33:05,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497530654] [2020-09-25 06:33:05,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 06:33:05,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:33:05,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 06:33:05,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:33:05,236 INFO L87 Difference]: Start difference. First operand 721 states and 810 transitions. Second operand 11 states. [2020-09-25 06:33:07,059 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:33:07,422 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 06:33:07,836 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 06:33:08,163 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:33:08,496 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:33:08,789 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190