/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:26:41,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:26:41,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:26:41,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:26:41,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:26:41,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:26:41,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:26:41,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:26:41,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:26:41,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:26:41,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:26:41,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:26:41,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:26:41,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:26:41,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:26:41,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:26:41,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:26:41,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:26:41,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:26:41,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:26:41,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:26:41,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:26:41,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:26:41,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:26:41,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:26:41,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:26:41,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:26:41,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:26:41,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:26:41,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:26:41,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:26:41,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:26:41,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:26:41,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:26:41,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:26:41,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:26:41,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:26:41,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:26:41,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:26:41,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:26:41,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:26:41,496 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 14:26:41,522 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:26:41,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:26:41,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:26:41,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:26:41,525 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:26:41,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:26:41,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:26:41,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:26:41,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:26:41,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:26:41,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:26:41,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:26:41,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:26:41,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:26:41,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:26:41,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:26:41,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:26:41,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:26:41,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:26:41,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:26:41,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:26:41,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:26:41,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:26:41,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:26:41,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:26:41,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:26:41,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:26:41,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:26:41,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:26:41,530 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:26:42,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:26:42,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:26:42,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:26:42,040 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:26:42,041 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:26:42,042 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-25 14:26:42,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/606ea6b23/f19fc35fb38748bcac8e92e097edaef9/FLAGdcbf1d033 [2020-09-25 14:26:42,762 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:26:42,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-25 14:26:42,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/606ea6b23/f19fc35fb38748bcac8e92e097edaef9/FLAGdcbf1d033 [2020-09-25 14:26:43,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/606ea6b23/f19fc35fb38748bcac8e92e097edaef9 [2020-09-25 14:26:43,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:26:43,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:26:43,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:26:43,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:26:43,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:26:43,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:26:43" (1/1) ... [2020-09-25 14:26:43,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed06335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43, skipping insertion in model container [2020-09-25 14:26:43,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:26:43" (1/1) ... [2020-09-25 14:26:43,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:26:43,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:26:43,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:26:43,701 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:26:43,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:26:43,860 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:26:43,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43 WrapperNode [2020-09-25 14:26:43,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:26:43,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:26:43,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:26:43,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:26:43,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43" (1/1) ... [2020-09-25 14:26:43,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43" (1/1) ... [2020-09-25 14:26:43,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43" (1/1) ... [2020-09-25 14:26:43,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43" (1/1) ... [2020-09-25 14:26:43,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43" (1/1) ... [2020-09-25 14:26:43,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43" (1/1) ... [2020-09-25 14:26:43,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43" (1/1) ... [2020-09-25 14:26:43,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:26:43,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:26:43,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:26:43,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:26:44,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43" (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 14:26:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:26:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:26:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:26:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:26:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:26:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:26:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:26:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:26:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:26:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 14:26:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:26:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:26:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:26:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:26:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:26:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:26:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:26:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:26:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:26:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:26:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:26:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:26:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 14:26:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:26:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 14:26:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:26:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:26:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:26:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:26:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:26:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:26:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:26:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:26:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:26:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:26:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:26:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:26:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:26:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:26:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:26:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:26:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:26:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:26:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:26:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:26:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:26:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:26:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:26:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:26:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:26:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:26:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:26:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:26:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 14:26:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:26:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:26:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 14:26:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:26:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:26:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:26:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:26:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:26:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:26:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:26:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:26:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:26:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:26:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:26:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 14:26:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:26:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:26:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:26:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:26:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:26:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:26:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:26:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:26:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:26:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:26:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:26:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:26:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:26:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:26:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:26:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:26:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:26:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:26:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:26:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:26:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:26:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:26:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:26:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:26:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:26:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:26:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:26:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:26:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:26:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:26:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:26:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:26:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:26:45,333 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:26:45,333 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:26:45,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:26:45 BoogieIcfgContainer [2020-09-25 14:26:45,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:26:45,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:26:45,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:26:45,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:26:45,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:26:43" (1/3) ... [2020-09-25 14:26:45,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20de4eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:26:45, skipping insertion in model container [2020-09-25 14:26:45,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:43" (2/3) ... [2020-09-25 14:26:45,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20de4eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:26:45, skipping insertion in model container [2020-09-25 14:26:45,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:26:45" (3/3) ... [2020-09-25 14:26:45,350 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2020-09-25 14:26:45,362 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:26:45,375 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:26:45,398 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:26:45,440 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:26:45,441 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:26:45,441 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:26:45,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:26:45,442 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:26:45,443 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:26:45,443 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:26:45,444 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:26:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2020-09-25 14:26:45,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 14:26:45,492 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:45,494 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 14:26:45,494 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:45,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:45,501 INFO L82 PathProgramCache]: Analyzing trace with hash 361389502, now seen corresponding path program 1 times [2020-09-25 14:26:45,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:45,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377556311] [2020-09-25 14:26:45,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:50,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:50,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:50,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 14:26:50,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:26:50,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5090 [2020-09-25 14:26:50,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:50,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:26:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 14:26:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 14:26:50,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:26:51,433 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:51,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:51,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-09-25 14:26:51,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:51,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:51,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 14:26:51,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:51,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:51,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:51,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:51,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:51,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:51,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:51,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:51,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:51,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:51,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:51,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:26:51,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:51,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:51,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:51,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:51,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:51,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:51,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:51,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:51,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:51,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:51,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:51,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:26:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:51,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:51,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:51,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:51,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:51,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:51,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:51,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:51,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 14:26:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:51,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:51,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:51,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 14:26:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:51,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:51,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:51,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:51,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:51,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:51,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:52,021 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 14:26:52,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377556311] [2020-09-25 14:26:52,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:52,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:26:52,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689260038] [2020-09-25 14:26:52,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:26:52,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:52,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:26:52,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:26:52,056 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 6 states. [2020-09-25 14:26:52,705 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:26:53,785 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:56,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:56,115 INFO L93 Difference]: Finished difference Result 886 states and 1055 transitions. [2020-09-25 14:26:56,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 14:26:56,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 14:26:56,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:56,143 INFO L225 Difference]: With dead ends: 886 [2020-09-25 14:26:56,144 INFO L226 Difference]: Without dead ends: 645 [2020-09-25 14:26:56,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:26:56,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-09-25 14:26:56,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 571. [2020-09-25 14:26:56,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-09-25 14:26:56,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 646 transitions. [2020-09-25 14:26:56,328 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 646 transitions. Word has length 160 [2020-09-25 14:26:56,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:56,329 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 646 transitions. [2020-09-25 14:26:56,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:26:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 646 transitions. [2020-09-25 14:26:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 14:26:56,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:56,338 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] [2020-09-25 14:26:56,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:26:56,339 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:56,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:56,339 INFO L82 PathProgramCache]: Analyzing trace with hash 598788998, now seen corresponding path program 1 times [2020-09-25 14:26:56,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:56,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843967706] [2020-09-25 14:26:56,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:56,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:56,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:57,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:58,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:59,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:01,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:01,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 14:27:01,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:27:01,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 14:27:01,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:01,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 14:27:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 14:27:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-25 14:27:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:01,799 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:27:01,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:01,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:27:02,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-09-25 14:27:02,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:27:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:27:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:02,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:02,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:02,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:02,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:27:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:27:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:02,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:02,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:27:02,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:27:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:02,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:27:02,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:27:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:27:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:02,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:02,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:27:02,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:27:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:02,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:02,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:02,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:02,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:27:02,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:27:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:27:02,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:27:02,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:02,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:02,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:27:02,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:02,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:02,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:02,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:02,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:02,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:27:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:27:02,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:27:02,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:27:02,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:02,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:27:02,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:27:02,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:27:02,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:27:02,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:27:02,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:27:02,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:02,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:02,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:27:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 14:27:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:02,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:02,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:02,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 14:27:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:02,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:02,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:02,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:02,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:02,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:02,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:02,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:02,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:02,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:02,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:02,337 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 14:27:02,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843967706] [2020-09-25 14:27:02,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:27:02,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:27:02,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966056796] [2020-09-25 14:27:02,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:27:02,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:27:02,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:27:02,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:27:02,341 INFO L87 Difference]: Start difference. First operand 571 states and 646 transitions. Second operand 7 states. [2020-09-25 14:27:02,922 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:04,955 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:06,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:27:06,175 INFO L93 Difference]: Finished difference Result 1467 states and 1807 transitions. [2020-09-25 14:27:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 14:27:06,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-25 14:27:06,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:27:06,190 INFO L225 Difference]: With dead ends: 1467 [2020-09-25 14:27:06,191 INFO L226 Difference]: Without dead ends: 1011 [2020-09-25 14:27:06,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:27:06,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2020-09-25 14:27:06,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 847. [2020-09-25 14:27:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2020-09-25 14:27:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 975 transitions. [2020-09-25 14:27:06,331 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 975 transitions. Word has length 183 [2020-09-25 14:27:06,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:27:06,332 INFO L479 AbstractCegarLoop]: Abstraction has 847 states and 975 transitions. [2020-09-25 14:27:06,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:27:06,332 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 975 transitions. [2020-09-25 14:27:06,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 14:27:06,336 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:27:06,336 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 14:27:06,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:27:06,337 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:27:06,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:27:06,337 INFO L82 PathProgramCache]: Analyzing trace with hash 697473327, now seen corresponding path program 1 times [2020-09-25 14:27:06,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:27:06,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440091674] [2020-09-25 14:27:06,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:27:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:06,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:06,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:07,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:09,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:11,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:11,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 14:27:11,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:27:11,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 14:27:11,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:11,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:11,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:27:11,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 14:27:11,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-25 14:27:11,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:11,898 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:27:11,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:11,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:27:12,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-25 14:27:12,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:27:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:27:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:12,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:12,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:12,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:27:12,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:27:12,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:27:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:12,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:12,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:12,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:27:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:27:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:12,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:27:12,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:12,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:27:12,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:27:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:12,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:12,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:27:12,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:27:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:12,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:12,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:27:12,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:27:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:27:12,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:27:12,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:27:12,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:27:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:27:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:27:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:27:12,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:27:12,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:27:12,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:12,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:12,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 14:27:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:12,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:27:12,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:27:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:27:12,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 14:27:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:12,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:12,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:12,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:12,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:12,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:27:12,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:12,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:27:12,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:12,482 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 14:27:12,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440091674] [2020-09-25 14:27:12,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:27:12,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:27:12,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096987245] [2020-09-25 14:27:12,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:27:12,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:27:12,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:27:12,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:27:12,485 INFO L87 Difference]: Start difference. First operand 847 states and 975 transitions. Second operand 11 states. [2020-09-25 14:27:13,081 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:13,888 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:14,231 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:27:16,022 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:16,402 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:27:16,696 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:27:17,019 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:17,328 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:27:17,765 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:19,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:27:19,097 INFO L93 Difference]: Finished difference Result 1723 states and 2077 transitions. [2020-09-25 14:27:19,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 14:27:19,098 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-09-25 14:27:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:27:19,108 INFO L225 Difference]: With dead ends: 1723 [2020-09-25 14:27:19,108 INFO L226 Difference]: Without dead ends: 991 [2020-09-25 14:27:19,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2020-09-25 14:27:19,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-09-25 14:27:19,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 844. [2020-09-25 14:27:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2020-09-25 14:27:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 966 transitions. [2020-09-25 14:27:19,251 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 966 transitions. Word has length 179 [2020-09-25 14:27:19,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:27:19,253 INFO L479 AbstractCegarLoop]: Abstraction has 844 states and 966 transitions. [2020-09-25 14:27:19,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:27:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 966 transitions. [2020-09-25 14:27:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 14:27:19,259 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:27:19,259 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:27:19,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:27:19,260 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:27:19,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:27:19,260 INFO L82 PathProgramCache]: Analyzing trace with hash -585097851, now seen corresponding path program 1 times [2020-09-25 14:27:19,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:27:19,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069152658] [2020-09-25 14:27:19,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:27:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:19,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 14:27:20,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 795 [2020-09-25 14:27:20,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 14:27:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:20,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,463 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:27:20,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:27:20,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 14:27:20,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:20,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:27:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:20,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:27:20,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:20,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:27:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:20,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:20,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:20,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:20,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:20,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:27:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:20,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:20,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:20,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:27:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:20,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:27:20,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:20,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:20,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:20,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:27:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:20,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:20,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:20,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:27:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:27:20,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:20,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:20,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:20,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:20,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:27:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 14:27:20,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 14:27:20,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:27:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 14:27:20,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 14:27:20,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 14:27:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:20,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:27:20,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 14:27:20,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:27:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:20,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:27:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:20,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:20,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:20,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:27:20,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:20,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:27:20,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:20,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:20,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:27:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:27:20,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:20,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:27:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:21,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:21,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:21,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:27:21,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:21,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:27:21,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:21,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:21,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:21,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:27:21,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:21,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:21,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:27:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:21,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:21,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:21,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:27:21,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:21,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:21,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:21,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:21,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:21,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:27:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:21,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:21,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:21,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:21,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:21,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:21,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:21,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:21,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:21,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:21,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:21,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:27:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:21,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:21,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:21,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:21,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:21,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:21,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:21,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:21,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:21,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:21,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:21,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 14:27:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:21,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:21,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:21,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:21,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:21,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:21,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:21,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:21,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:21,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 14:27:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:21,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:21,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:21,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:21,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:21,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:21,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:21,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:21,122 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 14:27:21,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069152658] [2020-09-25 14:27:21,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:27:21,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:27:21,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118136954] [2020-09-25 14:27:21,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:27:21,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:27:21,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:27:21,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:27:21,128 INFO L87 Difference]: Start difference. First operand 844 states and 966 transitions. Second operand 9 states. [2020-09-25 14:27:22,808 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:23,159 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:23,550 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:23,827 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:24,114 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:27:25,524 INFO L93 Difference]: Finished difference Result 1727 states and 2086 transitions. [2020-09-25 14:27:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:27:25,525 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-25 14:27:25,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:27:25,534 INFO L225 Difference]: With dead ends: 1727 [2020-09-25 14:27:25,534 INFO L226 Difference]: Without dead ends: 998 [2020-09-25 14:27:25,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 14:27:25,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2020-09-25 14:27:25,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 856. [2020-09-25 14:27:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-09-25 14:27:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 978 transitions. [2020-09-25 14:27:25,627 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 978 transitions. Word has length 230 [2020-09-25 14:27:25,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:27:25,627 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 978 transitions. [2020-09-25 14:27:25,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:27:25,628 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 978 transitions. [2020-09-25 14:27:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 14:27:25,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:27:25,632 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:27:25,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:27:25,632 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:27:25,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:27:25,633 INFO L82 PathProgramCache]: Analyzing trace with hash 2006798177, now seen corresponding path program 1 times [2020-09-25 14:27:25,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:27:25,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321787910] [2020-09-25 14:27:25,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:27:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:25,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:25,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:27,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:27,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 14:27:27,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:27:27,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2012 [2020-09-25 14:27:27,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:27,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 14:27:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:27,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,008 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:27:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:27:28,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 14:27:28,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:27:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:28,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:28,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:27:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:28,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:27:28,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:27:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:28,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:28,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:27:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:28,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:27:28,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:27:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:28,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:28,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:27:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:27:28,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:28,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:28,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:28,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:27:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 14:27:28,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 14:27:28,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 14:27:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:28,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 14:27:28,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 14:27:28,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 14:27:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:27:28,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 14:27:28,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:28,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:27:28,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:27:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:27:28,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:27:28,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:27:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:27:28,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:27:28,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:27:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:27:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:27:28,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:28,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:27:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:28,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:27:28,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:27:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:28,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:28,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 14:27:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:28,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:28,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 14:27:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:28,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:28,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:28,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:28,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:28,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:28,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:28,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:28,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:27:28,773 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 14:27:28,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321787910] [2020-09-25 14:27:28,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:27:28,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:27:28,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495491510] [2020-09-25 14:27:28,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:27:28,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:27:28,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:27:28,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:27:28,775 INFO L87 Difference]: Start difference. First operand 856 states and 978 transitions. Second operand 10 states.