/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 --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 interpolation-heuristic=FIRST --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_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:16:03,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:16:03,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:16:03,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:16:03,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:16:03,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:16:03,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:16:03,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:16:03,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:16:03,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:16:03,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:16:03,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:16:03,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:16:03,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:16:03,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:16:03,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:16:03,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:16:03,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:16:03,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:16:03,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:16:03,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:16:03,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:16:03,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:16:03,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:16:03,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:16:03,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:16:03,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:16:03,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:16:03,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:16:03,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:16:03,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:16:03,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:16:03,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:16:03,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:16:03,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:16:03,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:16:03,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:16:03,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:16:03,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:16:03,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:16:03,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:16:03,384 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 [2020-09-21 11:16:03,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:16:03,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:16:03,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:16:03,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:16:03,443 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:16:03,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:16:03,443 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:16:03,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:16:03,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:16:03,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:16:03,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:16:03,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:16:03,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:16:03,445 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:16:03,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:16:03,445 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:16:03,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:16:03,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:16:03,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:16:03,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:16:03,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:16:03,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:16:03,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:16:03,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:16:03,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:16:03,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:16:03,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:16:03,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:16:03,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:16:03,448 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:16:03,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:16:03,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:16:03,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:16:03,942 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:16:03,942 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:16:03,943 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-21 11:16:04,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfd8ffd07/a383b9ffb8c74b35b602543463e99911/FLAGfe31c8b05 [2020-09-21 11:16:04,637 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:16:04,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-21 11:16:04,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfd8ffd07/a383b9ffb8c74b35b602543463e99911/FLAGfe31c8b05 [2020-09-21 11:16:04,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfd8ffd07/a383b9ffb8c74b35b602543463e99911 [2020-09-21 11:16:04,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:16:04,964 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:16:04,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:04,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:16:04,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:16:04,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:04" (1/1) ... [2020-09-21 11:16:04,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b54cc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:04, skipping insertion in model container [2020-09-21 11:16:04,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:04" (1/1) ... [2020-09-21 11:16:04,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:16:05,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:16:05,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:05,541 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:16:05,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:05,664 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:16:05,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05 WrapperNode [2020-09-21 11:16:05,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:05,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:16:05,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:16:05,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:16:05,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05" (1/1) ... [2020-09-21 11:16:05,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05" (1/1) ... [2020-09-21 11:16:05,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05" (1/1) ... [2020-09-21 11:16:05,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05" (1/1) ... [2020-09-21 11:16:05,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05" (1/1) ... [2020-09-21 11:16:05,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05" (1/1) ... [2020-09-21 11:16:05,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05" (1/1) ... [2020-09-21 11:16:05,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:16:05,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:16:05,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:16:05,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:16:05,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05" (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 [2020-09-21 11:16:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:16:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:16:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:16:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:16:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:16:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:16:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:16:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:16:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:16:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:16:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:16:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:16:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:16:05,857 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:16:05,857 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:16:05,857 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:16:05,858 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:16:05,858 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:16:05,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:16:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:16:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:16:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:16:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:16:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:16:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:16:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:16:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:16:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:16:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:16:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:16:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:16:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:16:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:16:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:16:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:16:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:16:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:16:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:16:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:16:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:16:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:16:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:16:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:16:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:16:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:16:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:16:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:16:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:16:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:16:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:16:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:16:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:16:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:16:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:16:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:16:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:16:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:16:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:16:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:16:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:16:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:16:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:16:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:16:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:16:05,874 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:16:05,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:16:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:16:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:16:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:16:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:16:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:16:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:16:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:16:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:16:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:16:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:16:06,997 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:16:06,998 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:16:07,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:07 BoogieIcfgContainer [2020-09-21 11:16:07,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:16:07,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:16:07,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:16:07,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:16:07,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:16:04" (1/3) ... [2020-09-21 11:16:07,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d097842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:07, skipping insertion in model container [2020-09-21 11:16:07,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:05" (2/3) ... [2020-09-21 11:16:07,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d097842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:07, skipping insertion in model container [2020-09-21 11:16:07,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:07" (3/3) ... [2020-09-21 11:16:07,014 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-09-21 11:16:07,026 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:16:07,036 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:16:07,054 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:16:07,082 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:16:07,082 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:16:07,082 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:16:07,082 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:16:07,082 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:16:07,083 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:16:07,083 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:16:07,083 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:16:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-09-21 11:16:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:16:07,124 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:07,125 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:07,126 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:07,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:07,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1834170296, now seen corresponding path program 1 times [2020-09-21 11:16:07,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:07,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899608173] [2020-09-21 11:16:07,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:16:07,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:16:07,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:16:07,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,943 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:07,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:08,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:08,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:08,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 11:16:08,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:08,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:08,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:08,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:08,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:08,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:16:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:08,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:08,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899608173] [2020-09-21 11:16:08,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:08,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:16:08,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141687839] [2020-09-21 11:16:08,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:16:08,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:08,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:16:08,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:08,188 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 4 states. [2020-09-21 11:16:09,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:09,304 INFO L93 Difference]: Finished difference Result 318 states and 403 transitions. [2020-09-21 11:16:09,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:16:09,306 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:16:09,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:09,325 INFO L225 Difference]: With dead ends: 318 [2020-09-21 11:16:09,325 INFO L226 Difference]: Without dead ends: 176 [2020-09-21 11:16:09,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:09,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-09-21 11:16:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 143. [2020-09-21 11:16:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-21 11:16:09,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2020-09-21 11:16:09,430 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2020-09-21 11:16:09,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:09,431 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2020-09-21 11:16:09,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:16:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2020-09-21 11:16:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:16:09,435 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:09,435 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:09,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:16:09,436 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:09,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:09,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1514103119, now seen corresponding path program 1 times [2020-09-21 11:16:09,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:09,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800330815] [2020-09-21 11:16:09,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:16:09,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:16:09,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:16:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,889 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:09,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:09,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:09,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:09,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:09,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:09,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:09,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:16:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:10,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:10,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800330815] [2020-09-21 11:16:10,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:10,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:10,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133978007] [2020-09-21 11:16:10,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:10,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:10,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:10,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:10,031 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 5 states. [2020-09-21 11:16:10,468 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:11,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:11,449 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2020-09-21 11:16:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:16:11,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:16:11,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:11,456 INFO L225 Difference]: With dead ends: 250 [2020-09-21 11:16:11,458 INFO L226 Difference]: Without dead ends: 166 [2020-09-21 11:16:11,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:11,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-21 11:16:11,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 134. [2020-09-21 11:16:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-09-21 11:16:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2020-09-21 11:16:11,503 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2020-09-21 11:16:11,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:11,503 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2020-09-21 11:16:11,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2020-09-21 11:16:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:16:11,506 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:11,506 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:11,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:16:11,507 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:11,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:11,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1793464780, now seen corresponding path program 1 times [2020-09-21 11:16:11,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:11,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375412233] [2020-09-21 11:16:11,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:11,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:11,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:11,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:11,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:11,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:16:11,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:11,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-09-21 11:16:11,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:11,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:16:11,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:11,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:16:11,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,401 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:12,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-21 11:16:12,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:12,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:12,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:12,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:12,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:12,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:12,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:12,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:12,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:12,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:16:12,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:12,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:16:12,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:16:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:12,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375412233] [2020-09-21 11:16:12,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:12,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:12,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158151016] [2020-09-21 11:16:12,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:12,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:12,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:12,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:12,687 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 5 states. [2020-09-21 11:16:13,014 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:14,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:14,810 INFO L93 Difference]: Finished difference Result 386 states and 465 transitions. [2020-09-21 11:16:14,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:16:14,811 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:16:14,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:14,816 INFO L225 Difference]: With dead ends: 386 [2020-09-21 11:16:14,816 INFO L226 Difference]: Without dead ends: 280 [2020-09-21 11:16:14,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:14,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-09-21 11:16:14,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 224. [2020-09-21 11:16:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-21 11:16:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 261 transitions. [2020-09-21 11:16:14,903 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 261 transitions. Word has length 65 [2020-09-21 11:16:14,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:14,904 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 261 transitions. [2020-09-21 11:16:14,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 261 transitions. [2020-09-21 11:16:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:16:14,907 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:14,907 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:14,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:16:14,907 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:14,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:14,908 INFO L82 PathProgramCache]: Analyzing trace with hash -10520395, now seen corresponding path program 1 times [2020-09-21 11:16:14,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:14,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417501685] [2020-09-21 11:16:14,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:16:15,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-09-21 11:16:15,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:16:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:16:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,806 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:15,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 11:16:15,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:15,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:15,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:15,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:15,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:15,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:15,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:15,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:15,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:15,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:15,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:15,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:15,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:16,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:16,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:16,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:16,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:16,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:16,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:16,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:16,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:16,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:16,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:16,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:16,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:16,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:16,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:16,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:16,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:16,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:16,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:16,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:16,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:16,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:16,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:16,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:16,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:16,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:16,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:16,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:16,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:16,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:16,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:16,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:16,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:16,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:16,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:16,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:16,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:16:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:16,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:16,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:16,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:16,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:16,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:16,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:16,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:16,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:16,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:16,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:16,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:16,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:16,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:16,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:16,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:16,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:16,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:16,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:16,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:16,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:16,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:16:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:16,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:16,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:16,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:16,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:16,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:16,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:16,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:16,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:16:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:16,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:16,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:16,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:16,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:16,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:16,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:16,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:16,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:16,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:16:16,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417501685] [2020-09-21 11:16:16,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:16,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:16,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995270100] [2020-09-21 11:16:16,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:16,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:16,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:16,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:16,149 INFO L87 Difference]: Start difference. First operand 224 states and 261 transitions. Second operand 9 states. [2020-09-21 11:16:16,580 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:17,481 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:18,538 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:18,881 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:19,541 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:19,849 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:20,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:20,231 INFO L93 Difference]: Finished difference Result 600 states and 760 transitions. [2020-09-21 11:16:20,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:16:20,232 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:16:20,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:20,237 INFO L225 Difference]: With dead ends: 600 [2020-09-21 11:16:20,238 INFO L226 Difference]: Without dead ends: 404 [2020-09-21 11:16:20,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:16:20,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-21 11:16:20,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 344. [2020-09-21 11:16:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-09-21 11:16:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 407 transitions. [2020-09-21 11:16:20,356 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 407 transitions. Word has length 70 [2020-09-21 11:16:20,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:20,358 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 407 transitions. [2020-09-21 11:16:20,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:20,359 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 407 transitions. [2020-09-21 11:16:20,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:16:20,361 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:20,362 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:20,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:16:20,363 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:20,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:20,363 INFO L82 PathProgramCache]: Analyzing trace with hash -762155168, now seen corresponding path program 1 times [2020-09-21 11:16:20,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:20,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679774096] [2020-09-21 11:16:20,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 11:16:20,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-21 11:16:20,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:16:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,046 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:21,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:16:21,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:21,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:21,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:21,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:21,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:21,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:21,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:21,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:21,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:21,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:21,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:21,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:21,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:21,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:21,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:16:21,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:21,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:16:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:16:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:21,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:21,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679774096] [2020-09-21 11:16:21,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:21,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:21,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301904717] [2020-09-21 11:16:21,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:21,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:21,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:21,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:21,410 INFO L87 Difference]: Start difference. First operand 344 states and 407 transitions. Second operand 9 states. [2020-09-21 11:16:22,047 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:23,305 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:23,640 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:23,993 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:24,362 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:25,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:25,913 INFO L93 Difference]: Finished difference Result 1061 states and 1384 transitions. [2020-09-21 11:16:25,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:25,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-09-21 11:16:25,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:25,919 INFO L225 Difference]: With dead ends: 1061 [2020-09-21 11:16:25,919 INFO L226 Difference]: Without dead ends: 745 [2020-09-21 11:16:25,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:16:25,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-09-21 11:16:26,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 647. [2020-09-21 11:16:26,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-09-21 11:16:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 769 transitions. [2020-09-21 11:16:26,031 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 769 transitions. Word has length 103 [2020-09-21 11:16:26,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:26,031 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 769 transitions. [2020-09-21 11:16:26,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 769 transitions. [2020-09-21 11:16:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:16:26,034 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:26,034 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:26,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:16:26,035 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:26,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:26,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1731736191, now seen corresponding path program 1 times [2020-09-21 11:16:26,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:26,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292225948] [2020-09-21 11:16:26,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 11:16:26,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:26,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:16:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:26,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,356 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:26,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:26,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:26,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:26,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:26,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:26,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:26,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:26,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:26,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:26,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:26,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:26,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:16:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:26,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:26,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:26,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:26,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:26,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:26,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:16:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:26,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:16:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:26,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:16:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:26,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:26,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292225948] [2020-09-21 11:16:26,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:26,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:26,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958191325] [2020-09-21 11:16:26,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:26,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:26,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:26,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:26,582 INFO L87 Difference]: Start difference. First operand 647 states and 769 transitions. Second operand 9 states. [2020-09-21 11:16:27,789 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:28,134 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:28,481 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:28,804 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:29,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:29,709 INFO L93 Difference]: Finished difference Result 1377 states and 1743 transitions. [2020-09-21 11:16:29,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:29,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-09-21 11:16:29,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:29,718 INFO L225 Difference]: With dead ends: 1377 [2020-09-21 11:16:29,718 INFO L226 Difference]: Without dead ends: 758 [2020-09-21 11:16:29,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:16:29,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-09-21 11:16:29,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 667. [2020-09-21 11:16:29,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-09-21 11:16:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 789 transitions. [2020-09-21 11:16:29,859 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 789 transitions. Word has length 103 [2020-09-21 11:16:29,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:29,860 INFO L479 AbstractCegarLoop]: Abstraction has 667 states and 789 transitions. [2020-09-21 11:16:29,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 789 transitions. [2020-09-21 11:16:29,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:16:29,864 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:29,864 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:29,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:16:29,865 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:29,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:29,865 INFO L82 PathProgramCache]: Analyzing trace with hash 513843263, now seen corresponding path program 1 times [2020-09-21 11:16:29,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:29,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169675857] [2020-09-21 11:16:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:29,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -62 [2020-09-21 11:16:29,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 62 [2020-09-21 11:16:29,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 11:16:29,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:16:29,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-21 11:16:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,216 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:30,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:30,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:30,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:30,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:30,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:30,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:30,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:30,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:30,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:30,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:30,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:30,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:30,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:30,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:30,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:30,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:30,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:30,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:30,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:16:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:30,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:16:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:16:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:30,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:30,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169675857] [2020-09-21 11:16:30,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:30,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:30,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171202007] [2020-09-21 11:16:30,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:30,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:30,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:30,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:30,432 INFO L87 Difference]: Start difference. First operand 667 states and 789 transitions. Second operand 8 states. [2020-09-21 11:16:31,451 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:31,790 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:32,097 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:32,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:32,994 INFO L93 Difference]: Finished difference Result 1208 states and 1499 transitions. [2020-09-21 11:16:32,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:16:32,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2020-09-21 11:16:32,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:33,001 INFO L225 Difference]: With dead ends: 1208 [2020-09-21 11:16:33,001 INFO L226 Difference]: Without dead ends: 569 [2020-09-21 11:16:33,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:33,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-09-21 11:16:33,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 504. [2020-09-21 11:16:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-09-21 11:16:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 582 transitions. [2020-09-21 11:16:33,097 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 582 transitions. Word has length 103 [2020-09-21 11:16:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:33,098 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 582 transitions. [2020-09-21 11:16:33,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 582 transitions. [2020-09-21 11:16:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-21 11:16:33,101 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:33,101 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:33,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:16:33,102 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:33,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:33,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1595809660, now seen corresponding path program 1 times [2020-09-21 11:16:33,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:33,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656608386] [2020-09-21 11:16:33,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:33,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:33,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:33,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:33,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:33,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:16:33,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-09-21 11:16:33,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:16:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-09-21 11:16:33,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:33,863 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:33,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:33,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:33,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:33,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:33,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:33,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:33,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:33,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:16:33,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:33,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:33,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:33,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:33,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:33,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:33,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:33,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:33,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:33,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:33,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:33,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:33,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:33,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:33,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:33,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:33,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:33,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:33,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:33,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:33,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:33,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:33,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:33,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:33,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:33,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:33,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:33,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:33,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:33,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:33,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:33,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:33,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:33,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:33,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:33,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:33,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:33,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:33,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:33,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:33,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:33,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:34,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:34,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:34,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:16:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:34,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:16:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:34,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:34,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:16:34,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:34,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:34,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:34,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:34,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:34,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:16:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:34,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:16:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:34,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:34,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [656608386] [2020-09-21 11:16:34,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:34,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:16:34,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110703843] [2020-09-21 11:16:34,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:34,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:34,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:34,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:34,203 INFO L87 Difference]: Start difference. First operand 504 states and 582 transitions. Second operand 12 states. [2020-09-21 11:16:34,732 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:35,517 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:36,398 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:36,810 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:37,115 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:37,497 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:37,844 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:39,575 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:39,965 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:40,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:40,853 INFO L93 Difference]: Finished difference Result 1499 states and 1874 transitions. [2020-09-21 11:16:40,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:16:40,854 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 107 [2020-09-21 11:16:40,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:40,863 INFO L225 Difference]: With dead ends: 1499 [2020-09-21 11:16:40,863 INFO L226 Difference]: Without dead ends: 1158 [2020-09-21 11:16:40,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:40,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2020-09-21 11:16:41,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1060. [2020-09-21 11:16:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2020-09-21 11:16:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1232 transitions. [2020-09-21 11:16:41,063 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1232 transitions. Word has length 107 [2020-09-21 11:16:41,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:41,068 INFO L479 AbstractCegarLoop]: Abstraction has 1060 states and 1232 transitions. [2020-09-21 11:16:41,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:41,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1232 transitions. [2020-09-21 11:16:41,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-21 11:16:41,071 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:41,072 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:41,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:16:41,073 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:41,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:41,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1626130063, now seen corresponding path program 1 times [2020-09-21 11:16:41,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:41,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303186514] [2020-09-21 11:16:41,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-21 11:16:41,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:41,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:16:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:16:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,432 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:41,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:41,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:41,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:41,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:41,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:41,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:41,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:16:41,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:16:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:16:41,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:41,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:16:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:16:41,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:41,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:41,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:41,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:16:41,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:41,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:41,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:41,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:41,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:41,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:41,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:41,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:41,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:16:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:41,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:41,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-21 11:16:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-21 11:16:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:41,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-21 11:16:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:41,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:41,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:41,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:41,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:41,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:16:41,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303186514] [2020-09-21 11:16:41,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:41,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:16:41,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444469796] [2020-09-21 11:16:41,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:16:41,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:41,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:16:41,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:16:41,767 INFO L87 Difference]: Start difference. First operand 1060 states and 1232 transitions. Second operand 10 states. [2020-09-21 11:16:42,202 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:43,090 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:45,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:45,418 INFO L93 Difference]: Finished difference Result 1908 states and 2280 transitions. [2020-09-21 11:16:45,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:16:45,419 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 148 [2020-09-21 11:16:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:45,426 INFO L225 Difference]: With dead ends: 1908 [2020-09-21 11:16:45,427 INFO L226 Difference]: Without dead ends: 876 [2020-09-21 11:16:45,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:16:45,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-09-21 11:16:45,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 763. [2020-09-21 11:16:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-09-21 11:16:45,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 875 transitions. [2020-09-21 11:16:45,577 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 875 transitions. Word has length 148 [2020-09-21 11:16:45,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:45,578 INFO L479 AbstractCegarLoop]: Abstraction has 763 states and 875 transitions. [2020-09-21 11:16:45,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:16:45,578 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 875 transitions. [2020-09-21 11:16:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-21 11:16:45,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:45,581 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:45,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:16:45,581 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:45,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:45,581 INFO L82 PathProgramCache]: Analyzing trace with hash 439174861, now seen corresponding path program 1 times [2020-09-21 11:16:45,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:45,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947294228] [2020-09-21 11:16:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:45,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -100 [2020-09-21 11:16:45,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 100 [2020-09-21 11:16:45,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-09-21 11:16:45,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:16:45,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:16:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:16:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:16:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,940 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:45,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:45,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:45,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:46,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:16:46,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:46,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-21 11:16:46,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:46,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:46,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:46,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:16:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:46,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:46,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:46,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:46,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:46,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:16:46,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:46,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:46,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:46,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:46,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:46,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-21 11:16:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:46,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:46,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:46,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:46,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:46,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:46,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-21 11:16:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:46,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-21 11:16:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:46,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:46,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:46,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-21 11:16:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:16:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:46,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 11:16:46,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [947294228] [2020-09-21 11:16:46,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:46,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:16:46,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870654198] [2020-09-21 11:16:46,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:46,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:46,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:46,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:46,502 INFO L87 Difference]: Start difference. First operand 763 states and 875 transitions. Second operand 12 states. [2020-09-21 11:16:47,086 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:16:48,081 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:48,367 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:48,946 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:49,813 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:50,296 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:50,854 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:51,206 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:51,861 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:16:52,661 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:53,624 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:53,921 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:54,255 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:54,577 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:55,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:55,000 INFO L93 Difference]: Finished difference Result 1606 states and 1899 transitions. [2020-09-21 11:16:55,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-21 11:16:55,001 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2020-09-21 11:16:55,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:55,007 INFO L225 Difference]: With dead ends: 1606 [2020-09-21 11:16:55,007 INFO L226 Difference]: Without dead ends: 980 [2020-09-21 11:16:55,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 58 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=482, Invalid=1410, Unknown=0, NotChecked=0, Total=1892 [2020-09-21 11:16:55,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-09-21 11:16:55,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 828. [2020-09-21 11:16:55,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-09-21 11:16:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 939 transitions. [2020-09-21 11:16:55,172 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 939 transitions. Word has length 151 [2020-09-21 11:16:55,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:55,173 INFO L479 AbstractCegarLoop]: Abstraction has 828 states and 939 transitions. [2020-09-21 11:16:55,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 939 transitions. [2020-09-21 11:16:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-09-21 11:16:55,178 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:55,179 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:55,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:16:55,179 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:55,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:55,180 INFO L82 PathProgramCache]: Analyzing trace with hash 296568028, now seen corresponding path program 1 times [2020-09-21 11:16:55,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:55,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238987368] [2020-09-21 11:16:55,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 432 [2020-09-21 11:16:55,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:16:55,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:16:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-09-21 11:16:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:16:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,667 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:55,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:55,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:55,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:55,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:55,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:55,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:16:55,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:16:55,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:55,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:16:55,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:55,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:55,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:55,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:55,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:55,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:55,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:55,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:55,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:55,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:55,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:55,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:55,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:16:55,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:55,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:55,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-21 11:16:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-21 11:16:56,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:16:56,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:56,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-21 11:16:56,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:56,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:56,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:56,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:16:56,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:56,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:56,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:56,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:16:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:56,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:56,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:56,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:56,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:56,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:56,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:16:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:56,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:56,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-21 11:16:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-21 11:16:56,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-21 11:16:56,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:56,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:16:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:56,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:56,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:56,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-21 11:16:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:56,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:56,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-21 11:16:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:16:56,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-21 11:16:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:56,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:56,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-21 11:16:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-21 11:16:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:56,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:56,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-21 11:16:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:56,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-09-21 11:16:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:56,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:56,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:56,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:56,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:56,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:56,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:56,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:56,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:56,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-09-21 11:16:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:56,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-21 11:16:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:56,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:56,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:56,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 107 proven. 54 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-09-21 11:16:56,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238987368] [2020-09-21 11:16:56,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:56,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-21 11:16:56,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673744480] [2020-09-21 11:16:56,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-21 11:16:56,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:56,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-21 11:16:56,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:16:56,612 INFO L87 Difference]: Start difference. First operand 828 states and 939 transitions. Second operand 20 states. [2020-09-21 11:16:57,195 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189