/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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:10:33,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:10:33,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:10:33,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:10:33,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:10:33,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:10:33,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:10:33,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:10:33,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:10:33,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:10:33,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:10:33,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:10:33,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:10:33,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:10:33,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:10:33,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:10:33,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:10:33,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:10:33,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:10:33,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:10:33,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:10:33,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:10:33,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:10:33,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:10:33,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:10:33,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:10:33,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:10:33,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:10:33,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:10:33,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:10:33,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:10:33,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:10:33,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:10:33,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:10:33,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:10:33,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:10:33,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:10:33,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:10:33,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:10:33,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:10:33,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:10:33,478 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 11:10:33,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:10:33,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:10:33,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:10:33,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:10:33,538 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:10:33,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:10:33,538 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:10:33,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:10:33,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:10:33,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:10:33,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:10:33,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:10:33,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:10:33,540 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:10:33,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:10:33,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:10:33,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:10:33,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:10:33,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:10:33,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:10:33,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:10:33,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:10:33,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:10:33,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:10:33,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:10:33,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:10:33,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:10:33,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:10:33,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:10:33,544 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 11:10:33,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:10:33,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:10:34,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:10:34,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:10:34,004 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:10:34,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-09-21 11:10:34,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d5a4aae4/67dec1165af6481ebf6e415116736c46/FLAG3592213ba [2020-09-21 11:10:34,744 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:10:34,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-09-21 11:10:34,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d5a4aae4/67dec1165af6481ebf6e415116736c46/FLAG3592213ba [2020-09-21 11:10:35,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d5a4aae4/67dec1165af6481ebf6e415116736c46 [2020-09-21 11:10:35,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:10:35,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:10:35,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:35,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:10:35,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:10:35,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:35" (1/1) ... [2020-09-21 11:10:35,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d5d851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35, skipping insertion in model container [2020-09-21 11:10:35,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:35" (1/1) ... [2020-09-21 11:10:35,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:10:35,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:10:35,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:35,600 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:10:35,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:35,727 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:10:35,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35 WrapperNode [2020-09-21 11:10:35,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:35,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:10:35,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:10:35,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:10:35,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35" (1/1) ... [2020-09-21 11:10:35,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35" (1/1) ... [2020-09-21 11:10:35,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35" (1/1) ... [2020-09-21 11:10:35,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35" (1/1) ... [2020-09-21 11:10:35,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35" (1/1) ... [2020-09-21 11:10:35,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35" (1/1) ... [2020-09-21 11:10:35,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35" (1/1) ... [2020-09-21 11:10:35,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:10:35,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:10:35,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:10:35,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:10:35,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35" (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 11:10:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:10:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:10:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:10:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:10:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:10:35,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:10:35,959 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:10:35,959 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:10:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:10:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:10:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:10:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:10:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:10:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:10:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:10:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:10:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:10:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:10:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:10:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:10:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:10:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:10:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:10:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:10:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:10:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:10:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:10:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:10:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-21 11:10:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:10:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:10:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:10:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:10:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:10:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:10:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:10:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:10:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:10:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:10:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:10:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:10:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:10:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:10:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:10:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:10:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:10:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:10:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:10:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:10:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:10:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:10:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:10:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:10:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:10:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:10:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:10:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:10:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:10:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:10:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-21 11:10:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:10:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:10:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:10:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:10:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:10:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:10:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:10:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:10:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:10:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:10:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:10:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:10:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:10:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:10:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:10:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:10:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:10:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:10:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:10:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:10:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:10:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:10:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:10:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:10:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:10:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:10:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:10:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:10:37,100 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:10:37,100 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:10:37,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:37 BoogieIcfgContainer [2020-09-21 11:10:37,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:10:37,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:10:37,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:10:37,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:10:37,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:10:35" (1/3) ... [2020-09-21 11:10:37,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57926d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:37, skipping insertion in model container [2020-09-21 11:10:37,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:35" (2/3) ... [2020-09-21 11:10:37,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57926d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:37, skipping insertion in model container [2020-09-21 11:10:37,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:37" (3/3) ... [2020-09-21 11:10:37,120 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2020-09-21 11:10:37,132 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:10:37,143 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:10:37,165 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:10:37,192 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:10:37,192 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:10:37,192 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:10:37,192 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:10:37,192 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:10:37,193 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:10:37,193 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:10:37,193 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:10:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-09-21 11:10:37,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:10:37,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:37,236 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:37,236 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:37,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:37,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1930033303, now seen corresponding path program 1 times [2020-09-21 11:10:37,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:37,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100832423] [2020-09-21 11:10:37,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:37,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:37,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:37,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:37,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:37,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:10:37,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:37,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:10:37,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:10:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:37,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:38,035 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:38,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:38,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:38,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:38,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:38,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:38,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:38,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:38,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:38,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:38,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:38,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:38,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:38,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:38,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:38,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:38,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:38,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:38,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:38,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:10:38,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:38,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:38,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:38,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:38,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:38,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:38,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:38,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:38,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:38,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:38,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:38,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:38,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:38,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:38,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:38,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:38,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:38,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:38,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:38,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:38,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:38,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:38,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:38,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:38,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:38,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:38,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:38,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:38,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:38,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:38,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:38,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:38,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:38,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:10:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:38,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:38,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:38,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:38,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:38,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:38,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:38,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:38,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:38,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:38,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:10:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:38,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:38,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:38,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:38,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:38,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:38,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:38,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:38,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:38,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:38,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:10:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:38,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:38,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:38,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:38,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:38,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:38,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:38,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:38,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:38,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:38,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:38,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:38,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:38,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100832423] [2020-09-21 11:10:38,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:38,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:10:38,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970499688] [2020-09-21 11:10:38,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:10:38,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:38,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:10:38,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:10:38,310 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2020-09-21 11:10:39,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:39,562 INFO L93 Difference]: Finished difference Result 341 states and 445 transitions. [2020-09-21 11:10:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:10:39,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-09-21 11:10:39,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:39,584 INFO L225 Difference]: With dead ends: 341 [2020-09-21 11:10:39,584 INFO L226 Difference]: Without dead ends: 183 [2020-09-21 11:10:39,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:10:39,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-09-21 11:10:39,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 149. [2020-09-21 11:10:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-09-21 11:10:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 177 transitions. [2020-09-21 11:10:39,700 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 177 transitions. Word has length 52 [2020-09-21 11:10:39,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:39,700 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 177 transitions. [2020-09-21 11:10:39,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:10:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2020-09-21 11:10:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-21 11:10:39,705 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:39,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:39,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:10:39,706 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:39,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:39,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1692135718, now seen corresponding path program 1 times [2020-09-21 11:10:39,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:39,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008258434] [2020-09-21 11:10:39,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:39,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:39,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:39,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:39,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:39,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:10:39,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:39,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:10:39,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:39,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:39,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:10:39,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:10:39,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,076 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:40,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:40,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:40,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:40,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:40,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:40,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:40,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:10:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:10:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:10:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:40,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:40,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:40,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:40,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:40,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:40,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:40,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1008258434] [2020-09-21 11:10:40,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:40,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:10:40,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286380187] [2020-09-21 11:10:40,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:10:40,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:40,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:10:40,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:10:40,208 INFO L87 Difference]: Start difference. First operand 149 states and 177 transitions. Second operand 4 states. [2020-09-21 11:10:40,706 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:41,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:41,743 INFO L93 Difference]: Finished difference Result 274 states and 336 transitions. [2020-09-21 11:10:41,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:10:41,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-09-21 11:10:41,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:41,748 INFO L225 Difference]: With dead ends: 274 [2020-09-21 11:10:41,748 INFO L226 Difference]: Without dead ends: 167 [2020-09-21 11:10:41,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:10:41,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-09-21 11:10:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 140. [2020-09-21 11:10:41,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-09-21 11:10:41,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2020-09-21 11:10:41,796 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2020-09-21 11:10:41,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:41,797 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2020-09-21 11:10:41,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:10:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2020-09-21 11:10:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:10:41,799 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:41,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:41,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:10:41,800 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:41,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:41,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1292389066, now seen corresponding path program 1 times [2020-09-21 11:10:41,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:41,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739220478] [2020-09-21 11:10:41,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:41,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:10:41,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:41,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:41,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:41,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:10:41,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:10:41,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:10:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:42,252 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:42,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:42,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:42,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:42,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:42,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:42,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:42,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:42,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:10:42,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:42,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:42,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:42,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:42,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:42,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:42,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:42,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:42,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:42,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:42,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:42,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:42,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:42,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:42,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:42,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:42,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:42,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:42,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:42,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:42,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:42,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:42,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:42,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:42,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:42,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:42,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:42,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:42,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:42,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:42,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:42,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:42,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:42,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:42,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:42,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:42,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:42,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:42,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:42,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:42,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:10:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:42,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:42,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:42,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:42,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:42,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:42,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:42,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:42,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:42,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:42,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:42,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:42,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:42,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:10:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:42,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:42,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:42,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:42,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:42,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:42,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:42,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:42,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:42,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:42,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:42,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:42,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:10:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:42,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:42,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:42,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:42,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:42,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:42,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:42,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:42,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:42,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:42,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:42,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:42,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:42,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739220478] [2020-09-21 11:10:42,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:42,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:10:42,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656778315] [2020-09-21 11:10:42,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:10:42,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:42,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:10:42,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:10:42,420 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 4 states. [2020-09-21 11:10:42,777 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:43,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:43,825 INFO L93 Difference]: Finished difference Result 283 states and 350 transitions. [2020-09-21 11:10:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:10:43,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2020-09-21 11:10:43,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:43,830 INFO L225 Difference]: With dead ends: 283 [2020-09-21 11:10:43,830 INFO L226 Difference]: Without dead ends: 167 [2020-09-21 11:10:43,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:10:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-09-21 11:10:43,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 140. [2020-09-21 11:10:43,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-09-21 11:10:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2020-09-21 11:10:43,870 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 57 [2020-09-21 11:10:43,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:43,870 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2020-09-21 11:10:43,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:10:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2020-09-21 11:10:43,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-09-21 11:10:43,873 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:43,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:43,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:10:43,874 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:43,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:43,874 INFO L82 PathProgramCache]: Analyzing trace with hash 875217030, now seen corresponding path program 1 times [2020-09-21 11:10:43,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:43,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963204658] [2020-09-21 11:10:43,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:10:44,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-09-21 11:10:44,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:10:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:10:44,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,680 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:44,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:44,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:10:44,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:44,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:44,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:44,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:44,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:44,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:44,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:44,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:44,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:44,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:44,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:44,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:44,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:44,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:44,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:44,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:44,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:44,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:44,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:44,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:44,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:10:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 11:10:44,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:10:44,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:10:44,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:10:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:10:44,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:10:44,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:44,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:10:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:10:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:10:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:44,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:10:44,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:44,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:10:44,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:10:44,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:10:44,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:44,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:44,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:44,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:44,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:44,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:10:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:44,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:44,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:44,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:10:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:44,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:44,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:44,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:44,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:44,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-21 11:10:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:44,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:44,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:44,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:44,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:44,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:44,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:44,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:44,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:44,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:44,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963204658] [2020-09-21 11:10:44,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:44,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:10:44,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606296664] [2020-09-21 11:10:44,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:10:44,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:44,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:10:44,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:10:44,887 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 6 states. [2020-09-21 11:10:45,287 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:46,679 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:47,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:47,555 INFO L93 Difference]: Finished difference Result 393 states and 487 transitions. [2020-09-21 11:10:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:10:47,556 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-09-21 11:10:47,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:47,560 INFO L225 Difference]: With dead ends: 393 [2020-09-21 11:10:47,560 INFO L226 Difference]: Without dead ends: 277 [2020-09-21 11:10:47,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:10:47,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-21 11:10:47,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2020-09-21 11:10:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-09-21 11:10:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 269 transitions. [2020-09-21 11:10:47,612 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 269 transitions. Word has length 75 [2020-09-21 11:10:47,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:47,612 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 269 transitions. [2020-09-21 11:10:47,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:10:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 269 transitions. [2020-09-21 11:10:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-21 11:10:47,615 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:47,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:47,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:10:47,616 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:47,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:47,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1332654256, now seen corresponding path program 1 times [2020-09-21 11:10:47,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:47,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289494476] [2020-09-21 11:10:47,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:10:48,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-09-21 11:10:48,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:10:48,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:48,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 11:10:48,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:48,594 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:48,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:48,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:10:48,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:48,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:48,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:48,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:48,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:48,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:48,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:48,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:48,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:10:48,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:48,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:48,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:48,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:48,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:10:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:10:48,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:48,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:48,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:10:48,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:10:48,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:48,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:10:48,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:48,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:48,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:10:48,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:48,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:48,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:10:48,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:48,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:48,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:48,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:48,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:48,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:48,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:48,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:10:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:48,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:48,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:48,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:48,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 11:10:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:48,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:10:48,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:10:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:48,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:10:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:48,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:48,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:48,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:48,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:48,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:48,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:48,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:48,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:48,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:48,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289494476] [2020-09-21 11:10:48,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:48,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:10:48,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267653991] [2020-09-21 11:10:48,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:10:48,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:48,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:10:48,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:10:48,890 INFO L87 Difference]: Start difference. First operand 236 states and 269 transitions. Second operand 8 states. [2020-09-21 11:10:49,266 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:50,813 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:51,187 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:51,508 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:10:51,790 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:52,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:52,824 INFO L93 Difference]: Finished difference Result 614 states and 761 transitions. [2020-09-21 11:10:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:10:52,825 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-09-21 11:10:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:52,829 INFO L225 Difference]: With dead ends: 614 [2020-09-21 11:10:52,829 INFO L226 Difference]: Without dead ends: 402 [2020-09-21 11:10:52,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:10:52,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-09-21 11:10:52,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 362. [2020-09-21 11:10:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-09-21 11:10:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 420 transitions. [2020-09-21 11:10:52,906 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 420 transitions. Word has length 89 [2020-09-21 11:10:52,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:52,907 INFO L479 AbstractCegarLoop]: Abstraction has 362 states and 420 transitions. [2020-09-21 11:10:52,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:10:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 420 transitions. [2020-09-21 11:10:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:10:52,909 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:52,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:52,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:10:52,910 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:52,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:52,910 INFO L82 PathProgramCache]: Analyzing trace with hash -920967306, now seen corresponding path program 1 times [2020-09-21 11:10:52,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:52,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888864504] [2020-09-21 11:10:52,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:10:53,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-09-21 11:10:53,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:10:53,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:53,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:10:53,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,577 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:53,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:10:53,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:53,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:53,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:53,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:53,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:10:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:53,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:10:53,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:10:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:10:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:10:53,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:10:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:10:53,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:10:53,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:10:53,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:10:53,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:53,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:10:53,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:10:53,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:10:53,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:10:53,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:10:53,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:10:53,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:10:53,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:53,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:10:53,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:10:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:53,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:10:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:53,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:53,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:53,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 88 [2020-09-21 11:10:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:10:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:53,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:53,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:53,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:53,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:53,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:53,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:53,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:53,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:53,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:53,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:53,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:53,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:53,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888864504] [2020-09-21 11:10:53,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:53,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:10:53,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087821403] [2020-09-21 11:10:53,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:10:53,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:53,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:10:53,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:10:53,925 INFO L87 Difference]: Start difference. First operand 362 states and 420 transitions. Second operand 9 states. [2020-09-21 11:10:54,447 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:55,013 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:56,764 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:10:58,755 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-21 11:11:00,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:00,262 INFO L93 Difference]: Finished difference Result 1013 states and 1254 transitions. [2020-09-21 11:11:00,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:11:00,263 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-09-21 11:11:00,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:00,271 INFO L225 Difference]: With dead ends: 1013 [2020-09-21 11:11:00,272 INFO L226 Difference]: Without dead ends: 790 [2020-09-21 11:11:00,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:11:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-09-21 11:11:00,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 745. [2020-09-21 11:11:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-09-21 11:11:00,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 888 transitions. [2020-09-21 11:11:00,423 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 888 transitions. Word has length 93 [2020-09-21 11:11:00,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:00,423 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 888 transitions. [2020-09-21 11:11:00,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:11:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 888 transitions. [2020-09-21 11:11:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:11:00,426 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:00,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:00,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:00,426 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:00,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:00,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1438339703, now seen corresponding path program 1 times [2020-09-21 11:11:00,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:00,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341373778] [2020-09-21 11:11:00,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:11:00,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:00,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-21 11:11:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:00,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,751 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:00,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:00,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:00,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:00,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:00,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:00,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:11:00,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:00,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:11:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:00,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:11:00,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:00,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:11:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:00,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:11:00,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:00,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:11:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:11:00,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:00,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:00,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:11:00,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:00,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:00,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:00,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:11:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:00,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:11:00,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:11:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:11:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:11:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:01,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:01,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341373778] [2020-09-21 11:11:01,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:01,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:11:01,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910125195] [2020-09-21 11:11:01,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:11:01,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:01,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:11:01,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:11:01,017 INFO L87 Difference]: Start difference. First operand 745 states and 888 transitions. Second operand 8 states. [2020-09-21 11:11:02,237 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:02,538 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:02,856 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:04,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:04,208 INFO L93 Difference]: Finished difference Result 1389 states and 1704 transitions. [2020-09-21 11:11:04,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:11:04,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-09-21 11:11:04,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:04,215 INFO L225 Difference]: With dead ends: 1389 [2020-09-21 11:11:04,215 INFO L226 Difference]: Without dead ends: 787 [2020-09-21 11:11:04,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 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 11:11:04,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-09-21 11:11:04,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 745. [2020-09-21 11:11:04,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-09-21 11:11:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 887 transitions. [2020-09-21 11:11:04,370 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 887 transitions. Word has length 93 [2020-09-21 11:11:04,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:04,370 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 887 transitions. [2020-09-21 11:11:04,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:11:04,371 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 887 transitions. [2020-09-21 11:11:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:11:04,373 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:04,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:04,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:11:04,374 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:04,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:04,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2097871225, now seen corresponding path program 1 times [2020-09-21 11:11:04,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:04,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671033393] [2020-09-21 11:11:04,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:04,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -63 [2020-09-21 11:11:04,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 63 [2020-09-21 11:11:04,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:11:04,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:04,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-21 11:11:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,685 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:04,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:04,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:04,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:04,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:04,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:04,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:04,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:04,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:11:04,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:04,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:11:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:04,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:11:04,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:04,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:11:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:04,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:11:04,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:04,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:04,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:11:04,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:04,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:11:04,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:04,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:04,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:11:04,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:04,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:04,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:11:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:11:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:11:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:04,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:04,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:11:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:04,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:04,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671033393] [2020-09-21 11:11:04,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:04,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:11:04,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908128632] [2020-09-21 11:11:04,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:11:04,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:04,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:11:04,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:11:04,913 INFO L87 Difference]: Start difference. First operand 745 states and 887 transitions. Second operand 9 states. [2020-09-21 11:11:05,847 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:06,159 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:11:06,477 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:06,770 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:08,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:08,152 INFO L93 Difference]: Finished difference Result 1474 states and 1802 transitions. [2020-09-21 11:11:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:11:08,153 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-09-21 11:11:08,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:08,161 INFO L225 Difference]: With dead ends: 1474 [2020-09-21 11:11:08,161 INFO L226 Difference]: Without dead ends: 753 [2020-09-21 11:11:08,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:11:08,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-09-21 11:11:08,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 716. [2020-09-21 11:11:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-09-21 11:11:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 847 transitions. [2020-09-21 11:11:08,339 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 847 transitions. Word has length 93 [2020-09-21 11:11:08,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:08,340 INFO L479 AbstractCegarLoop]: Abstraction has 716 states and 847 transitions. [2020-09-21 11:11:08,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:11:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 847 transitions. [2020-09-21 11:11:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-09-21 11:11:08,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:08,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:08,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:11:08,343 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:08,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:08,343 INFO L82 PathProgramCache]: Analyzing trace with hash 791892564, now seen corresponding path program 1 times [2020-09-21 11:11:08,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:08,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354723822] [2020-09-21 11:11:08,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:08,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -72 [2020-09-21 11:11:08,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 72 [2020-09-21 11:11:08,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:11:08,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:08,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:08,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-09-21 11:11:08,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:11:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,724 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:08,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:08,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:08,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:08,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:08,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:08,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:08,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:08,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,766 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:08,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:08,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:08,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:08,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:08,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:08,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:08,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:08,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:08,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:11:08,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:08,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:08,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:11:08,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:11:08,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:08,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:11:08,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:11:08,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:11:08,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:11:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:08,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:11:08,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:08,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:08,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:08,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:08,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:08,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:08,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:08,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:11:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:08,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:08,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:08,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:11:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:08,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:08,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:08,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:11:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:08,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:08,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:08,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:08,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354723822] [2020-09-21 11:11:08,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:08,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:11:08,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145214140] [2020-09-21 11:11:08,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:11:08,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:08,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:11:08,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:11:08,934 INFO L87 Difference]: Start difference. First operand 716 states and 847 transitions. Second operand 9 states. [2020-09-21 11:11:10,197 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:10,839 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:11,196 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:11,546 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:12,292 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:12,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:12,926 INFO L93 Difference]: Finished difference Result 1437 states and 1713 transitions. [2020-09-21 11:11:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:11:12,927 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-09-21 11:11:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:12,935 INFO L225 Difference]: With dead ends: 1437 [2020-09-21 11:11:12,935 INFO L226 Difference]: Without dead ends: 745 [2020-09-21 11:11:12,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:11:12,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-09-21 11:11:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 716. [2020-09-21 11:11:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-09-21 11:11:13,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 830 transitions. [2020-09-21 11:11:13,075 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 830 transitions. Word has length 94 [2020-09-21 11:11:13,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:13,076 INFO L479 AbstractCegarLoop]: Abstraction has 716 states and 830 transitions. [2020-09-21 11:11:13,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:11:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 830 transitions. [2020-09-21 11:11:13,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 11:11:13,080 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:13,081 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:13,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:11:13,081 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:13,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:13,082 INFO L82 PathProgramCache]: Analyzing trace with hash -361137762, now seen corresponding path program 1 times [2020-09-21 11:11:13,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:13,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098410593] [2020-09-21 11:11:13,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-21 11:11:13,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:11:13,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-21 11:11:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:13,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,463 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:13,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:13,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:13,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:13,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:13,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:13,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:13,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:13,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:13,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:11:13,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:11:13,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:13,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-21 11:11:13,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:13,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:11:13,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:13,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:11:13,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:13,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:11:13,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:11:13,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:11:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:13,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:11:13,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:13,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:11:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:11:13,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:13,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:11:13,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:13,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:13,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:13,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:13,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:11:13,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:13,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:11:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:13,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:11:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:13,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:13,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:11:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:11:13,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:13,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:11:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:11:13,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:13,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:13,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:11:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:13,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:11:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:13,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:13,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:11:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:13,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-21 11:11:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:13,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:13,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:13,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:13,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:13,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:13,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:13,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:13,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 11:11:13,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098410593] [2020-09-21 11:11:13,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:11:13,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:11:13,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545832223] [2020-09-21 11:11:13,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:11:13,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:13,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:11:13,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:13,861 INFO L87 Difference]: Start difference. First operand 716 states and 830 transitions. Second operand 10 states. [2020-09-21 11:11:14,918 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:15,281 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:11:15,648 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:15,934 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:17,093 INFO L93 Difference]: Finished difference Result 1352 states and 1594 transitions. [2020-09-21 11:11:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:11:17,094 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-09-21 11:11:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:17,099 INFO L225 Difference]: With dead ends: 1352 [2020-09-21 11:11:17,100 INFO L226 Difference]: Without dead ends: 735 [2020-09-21 11:11:17,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:11:17,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-09-21 11:11:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 716. [2020-09-21 11:11:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-09-21 11:11:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 828 transitions. [2020-09-21 11:11:17,284 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 828 transitions. Word has length 137 [2020-09-21 11:11:17,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:17,284 INFO L479 AbstractCegarLoop]: Abstraction has 716 states and 828 transitions. [2020-09-21 11:11:17,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:11:17,284 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 828 transitions. [2020-09-21 11:11:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 11:11:17,286 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:17,287 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:17,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:11:17,287 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:17,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:17,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1515345056, now seen corresponding path program 1 times [2020-09-21 11:11:17,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:17,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564473760] [2020-09-21 11:11:17,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:17,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -53 [2020-09-21 11:11:17,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 53 [2020-09-21 11:11:17,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-21 11:11:17,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:17,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-21 11:11:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:17,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,656 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:17,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:17,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:17,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:11:17,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:17,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:17,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:11:17,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:17,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:17,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:11:17,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:17,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:11:17,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:17,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:11:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:17,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:11:17,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:17,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:11:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:11:17,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:17,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:11:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:17,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:11:17,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:17,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:11:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:17,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:17,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:17,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:11:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:17,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:17,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:17,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:11:17,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:11:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:17,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:11:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:11:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:11:17,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:17,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:11:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:11:17,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:17,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:17,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:11:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:17,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:11:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:17,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:11:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-21 11:11:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 11:11:17,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564473760] [2020-09-21 11:11:17,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:11:17,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:11:17,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725702579] [2020-09-21 11:11:17,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:11:17,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:17,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:11:17,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:11:17,986 INFO L87 Difference]: Start difference. First operand 716 states and 828 transitions. Second operand 9 states. [2020-09-21 11:11:18,940 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:19,242 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:19,517 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:20,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:20,707 INFO L93 Difference]: Finished difference Result 1264 states and 1488 transitions. [2020-09-21 11:11:20,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:11:20,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2020-09-21 11:11:20,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:20,712 INFO L225 Difference]: With dead ends: 1264 [2020-09-21 11:11:20,712 INFO L226 Difference]: Without dead ends: 642 [2020-09-21 11:11:20,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 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 11:11:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2020-09-21 11:11:20,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 623. [2020-09-21 11:11:20,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2020-09-21 11:11:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 717 transitions. [2020-09-21 11:11:20,828 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 717 transitions. Word has length 137 [2020-09-21 11:11:20,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:20,829 INFO L479 AbstractCegarLoop]: Abstraction has 623 states and 717 transitions. [2020-09-21 11:11:20,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:11:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 717 transitions. [2020-09-21 11:11:20,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-21 11:11:20,831 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:20,831 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:20,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:11:20,832 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:20,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:20,832 INFO L82 PathProgramCache]: Analyzing trace with hash -834613817, now seen corresponding path program 1 times [2020-09-21 11:11:20,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:20,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609491075] [2020-09-21 11:11:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-21 11:11:21,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-09-21 11:11:21,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:11:21,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:11:21,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,494 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:21,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:11:21,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:21,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:21,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:21,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:21,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:21,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:21,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:21,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:11:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:11:21,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:21,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:21,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-21 11:11:21,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:11:21,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:11:21,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:11:21,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:11:21,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:11:21,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:21,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:11:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:11:21,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:11:21,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:21,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:21,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:11:21,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:21,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:11:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:21,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:11:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:21,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:11:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:11:21,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:11:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:11:21,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:11:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:11:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:21,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-21 11:11:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:21,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 11:11:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-21 11:11:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:21,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:11:21,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609491075] [2020-09-21 11:11:21,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:11:21,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:11:21,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270715492] [2020-09-21 11:11:21,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:11:21,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:21,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:11:21,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:11:21,966 INFO L87 Difference]: Start difference. First operand 623 states and 717 transitions. Second operand 11 states. [2020-09-21 11:11:22,451 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:23,185 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:24,317 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:24,974 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:11:25,610 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-21 11:11:25,913 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:26,264 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:11:28,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:28,150 INFO L93 Difference]: Finished difference Result 1847 states and 2191 transitions. [2020-09-21 11:11:28,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 11:11:28,151 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 141 [2020-09-21 11:11:28,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:28,158 INFO L225 Difference]: With dead ends: 1847 [2020-09-21 11:11:28,158 INFO L226 Difference]: Without dead ends: 1248 [2020-09-21 11:11:28,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:11:28,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-09-21 11:11:28,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1219. [2020-09-21 11:11:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-09-21 11:11:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1386 transitions. [2020-09-21 11:11:28,380 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1386 transitions. Word has length 141 [2020-09-21 11:11:28,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:28,383 INFO L479 AbstractCegarLoop]: Abstraction has 1219 states and 1386 transitions. [2020-09-21 11:11:28,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:11:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1386 transitions. [2020-09-21 11:11:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 11:11:28,385 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:28,386 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:28,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:11:28,386 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:28,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1626419797, now seen corresponding path program 1 times [2020-09-21 11:11:28,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:28,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397192016] [2020-09-21 11:11:28,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:28,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -32 [2020-09-21 11:11:28,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 32 [2020-09-21 11:11:28,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-21 11:11:28,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:28,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-21 11:11:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 11:11:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,736 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:28,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:28,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0