/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options 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_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:51:19,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:51:19,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:51:19,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:51:19,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:51:19,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:51:19,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:51:19,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:51:19,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:51:19,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:51:19,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:51:19,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:51:19,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:51:19,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:51:19,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:51:19,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:51:19,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:51:19,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:51:19,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:51:19,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:51:19,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:51:19,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:51:19,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:51:19,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:51:19,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:51:19,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:51:19,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:51:19,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:51:19,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:51:19,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:51:19,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:51:19,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:51:19,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:51:19,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:51:19,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:51:19,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:51:19,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:51:19,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:51:19,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:51:19,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:51:19,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:51:19,242 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 [2020-09-24 15:51:19,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:51:19,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:51:19,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:51:19,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:51:19,293 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:51:19,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:51:19,293 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:51:19,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:51:19,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:51:19,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:51:19,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:51:19,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:51:19,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:51:19,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:51:19,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:51:19,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:51:19,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:51:19,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:51:19,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:51:19,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:51:19,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:51:19,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:51:19,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:51:19,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:51:19,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:51:19,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:51:19,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:51:19,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:51:19,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:51:19,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;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; [2020-09-24 15:51:19,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:51:19,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:51:19,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:51:19,797 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:51:19,799 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:51:19,800 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-24 15:51:19,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04128a524/a4e99f1deb7149d1b8d2d0263669a867/FLAGc97dbd005 [2020-09-24 15:51:20,503 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:51:20,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-24 15:51:20,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04128a524/a4e99f1deb7149d1b8d2d0263669a867/FLAGc97dbd005 [2020-09-24 15:51:20,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04128a524/a4e99f1deb7149d1b8d2d0263669a867 [2020-09-24 15:51:20,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:51:20,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:51:20,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:51:20,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:51:20,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:51:20,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:51:20" (1/1) ... [2020-09-24 15:51:20,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201d7596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:20, skipping insertion in model container [2020-09-24 15:51:20,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:51:20" (1/1) ... [2020-09-24 15:51:20,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:51:20,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:51:21,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:51:21,419 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:51:21,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:51:21,561 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:51:21,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21 WrapperNode [2020-09-24 15:51:21,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:51:21,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:51:21,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:51:21,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:51:21,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21" (1/1) ... [2020-09-24 15:51:21,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21" (1/1) ... [2020-09-24 15:51:21,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21" (1/1) ... [2020-09-24 15:51:21,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21" (1/1) ... [2020-09-24 15:51:21,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21" (1/1) ... [2020-09-24 15:51:21,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21" (1/1) ... [2020-09-24 15:51:21,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21" (1/1) ... [2020-09-24 15:51:21,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:51:21,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:51:21,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:51:21,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:51:21,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21" (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 [2020-09-24 15:51:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:51:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:51:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:51:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:51:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:51:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:51:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:51:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:51:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:51:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:51:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 15:51:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 15:51:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 15:51:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 15:51:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 15:51:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 15:51:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:51:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 15:51:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 15:51:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:51:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:51:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:51:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:51:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:51:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:51:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:51:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:51:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:51:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:51:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:51:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:51:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:51:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:51:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:51:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:51:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:51:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:51:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:51:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:51:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:51:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:51:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:51:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:51:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:51:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:51:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:51:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:51:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:51:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:51:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:51:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:51:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:51:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:51:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:51:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:51:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:51:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:51:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:51:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:51:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:51:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:51:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:51:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:51:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:51:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:51:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:51:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:51:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:51:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:51:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:51:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:51:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:51:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:51:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:51:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:51:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:51:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:51:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:51:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 15:51:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:51:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 15:51:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 15:51:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:51:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 15:51:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 15:51:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:51:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 15:51:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 15:51:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 15:51:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:51:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:51:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:51:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:51:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:51:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:51:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:51:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:51:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:51:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:51:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:51:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:51:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:51:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:51:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:51:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:51:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:51:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:51:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:51:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:51:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:51:23,318 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:51:23,319 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:51:23,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:51:23 BoogieIcfgContainer [2020-09-24 15:51:23,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:51:23,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:51:23,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:51:23,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:51:23,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:51:20" (1/3) ... [2020-09-24 15:51:23,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788979c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:51:23, skipping insertion in model container [2020-09-24 15:51:23,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:21" (2/3) ... [2020-09-24 15:51:23,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788979c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:51:23, skipping insertion in model container [2020-09-24 15:51:23,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:51:23" (3/3) ... [2020-09-24 15:51:23,338 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2020-09-24 15:51:23,350 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:51:23,362 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:51:23,385 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:51:23,420 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:51:23,420 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:51:23,420 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:51:23,421 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:51:23,421 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:51:23,421 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:51:23,421 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:51:23,421 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:51:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states. [2020-09-24 15:51:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-24 15:51:23,479 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:23,481 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:23,482 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:23,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:23,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1119932632, now seen corresponding path program 1 times [2020-09-24 15:51:23,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:23,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676982357] [2020-09-24 15:51:23,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:23,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:23,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:23,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:23,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:23,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 15:51:23,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:23,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:51:23,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-09-24 15:51:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:23,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:24,434 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:51:24,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:24,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:51:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:24,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:51:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:24,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:24,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:24,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:24,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:51:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:24,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:51:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:24,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:51:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:24,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:51:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:24,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:24,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:51:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:24,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:24,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:51:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:24,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:51:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:24,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 15:51:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:24,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:24,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 15:51:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:24,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:24,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:24,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:24,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:24,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:24,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:24,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:24,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:24,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:24,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:24,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:51:24,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676982357] [2020-09-24 15:51:24,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:24,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:51:24,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352577971] [2020-09-24 15:51:24,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:51:24,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:24,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:51:24,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:51:24,792 INFO L87 Difference]: Start difference. First operand 420 states. Second operand 5 states. [2020-09-24 15:51:27,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:27,329 INFO L93 Difference]: Finished difference Result 676 states and 815 transitions. [2020-09-24 15:51:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 15:51:27,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2020-09-24 15:51:27,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:27,355 INFO L225 Difference]: With dead ends: 676 [2020-09-24 15:51:27,355 INFO L226 Difference]: Without dead ends: 427 [2020-09-24 15:51:27,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:51:27,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-09-24 15:51:27,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 369. [2020-09-24 15:51:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-09-24 15:51:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 414 transitions. [2020-09-24 15:51:27,494 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 414 transitions. Word has length 224 [2020-09-24 15:51:27,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:27,496 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 414 transitions. [2020-09-24 15:51:27,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:51:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 414 transitions. [2020-09-24 15:51:27,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-24 15:51:27,503 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:27,503 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:27,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:51:27,504 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:27,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:27,505 INFO L82 PathProgramCache]: Analyzing trace with hash -259914180, now seen corresponding path program 1 times [2020-09-24 15:51:27,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:27,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738495965] [2020-09-24 15:51:27,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:27,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:27,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:27,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:27,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:27,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-09-24 15:51:27,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:27,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:51:27,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-09-24 15:51:27,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:27,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,044 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:51:28,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:28,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:28,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:28,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:51:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:28,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:28,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:51:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:28,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:28,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:28,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:51:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:28,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:51:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:28,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:28,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:51:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:28,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:51:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:28,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:51:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:28,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:51:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:28,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:51:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:28,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 15:51:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:28,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-24 15:51:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:28,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:28,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:28,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:28,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:28,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:28,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:28,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:28,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:51:28,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738495965] [2020-09-24 15:51:28,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:28,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:51:28,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580763175] [2020-09-24 15:51:28,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:51:28,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:28,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:51:28,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:51:28,343 INFO L87 Difference]: Start difference. First operand 369 states and 414 transitions. Second operand 6 states. [2020-09-24 15:51:29,202 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:51:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:31,279 INFO L93 Difference]: Finished difference Result 585 states and 678 transitions. [2020-09-24 15:51:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:51:31,279 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 225 [2020-09-24 15:51:31,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:31,286 INFO L225 Difference]: With dead ends: 585 [2020-09-24 15:51:31,286 INFO L226 Difference]: Without dead ends: 410 [2020-09-24 15:51:31,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:51:31,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-09-24 15:51:31,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 359. [2020-09-24 15:51:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-09-24 15:51:31,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 401 transitions. [2020-09-24 15:51:31,348 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 401 transitions. Word has length 225 [2020-09-24 15:51:31,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:31,349 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 401 transitions. [2020-09-24 15:51:31,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:51:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 401 transitions. [2020-09-24 15:51:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 15:51:31,355 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:31,355 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:31,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:51:31,356 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:31,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:31,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1768944640, now seen corresponding path program 1 times [2020-09-24 15:51:31,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:31,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140742677] [2020-09-24 15:51:31,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-24 15:51:31,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-09-24 15:51:31,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:51:31,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:51:31,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-24 15:51:31,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-09-24 15:51:31,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:31,926 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:51:31,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:31,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:31,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:31,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:31,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:31,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:31,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:31,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:31,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-24 15:51:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:51:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:32,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:32,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:51:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:32,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:51:32,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:32,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:51:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:32,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:51:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:32,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:51:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:32,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:51:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:51:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:32,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:51:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:32,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:32,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:51:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:32,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:32,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:32,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:32,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-24 15:51:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:32,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:32,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 15:51:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:32,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:32,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:32,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:32,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:32,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:32,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:32,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:32,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:32,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:32,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:32,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:32,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:51:32,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140742677] [2020-09-24 15:51:32,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:32,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:51:32,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568617740] [2020-09-24 15:51:32,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:51:32,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:32,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:51:32,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:51:32,194 INFO L87 Difference]: Start difference. First operand 359 states and 401 transitions. Second operand 6 states. [2020-09-24 15:51:32,838 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:51:36,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:36,646 INFO L93 Difference]: Finished difference Result 846 states and 995 transitions. [2020-09-24 15:51:36,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:51:36,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 235 [2020-09-24 15:51:36,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:36,653 INFO L225 Difference]: With dead ends: 846 [2020-09-24 15:51:36,653 INFO L226 Difference]: Without dead ends: 639 [2020-09-24 15:51:36,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:51:36,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2020-09-24 15:51:36,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 556. [2020-09-24 15:51:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-09-24 15:51:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 636 transitions. [2020-09-24 15:51:36,752 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 636 transitions. Word has length 235 [2020-09-24 15:51:36,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:36,753 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 636 transitions. [2020-09-24 15:51:36,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:51:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 636 transitions. [2020-09-24 15:51:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-24 15:51:36,758 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:36,758 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:36,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:51:36,759 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:36,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:36,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1023057379, now seen corresponding path program 1 times [2020-09-24 15:51:36,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:36,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398029542] [2020-09-24 15:51:36,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:36,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-24 15:51:36,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:36,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:36,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:36,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 15:51:36,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:36,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 15:51:36,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:51:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-24 15:51:36,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-09-24 15:51:36,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,366 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:51:37,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:37,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 15:51:37,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:51:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:37,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:37,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:51:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:37,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:51:37,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:37,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:51:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:37,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:51:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:37,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:51:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:37,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:51:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:37,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:51:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:37,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:51:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:37,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:51:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:37,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:37,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:51:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:37,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:37,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:51:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:37,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:37,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:37,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:51:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:37,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,682 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:51:37,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398029542] [2020-09-24 15:51:37,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:37,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:51:37,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674148998] [2020-09-24 15:51:37,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:51:37,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:37,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:51:37,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:51:37,685 INFO L87 Difference]: Start difference. First operand 556 states and 636 transitions. Second operand 11 states. [2020-09-24 15:51:38,456 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:51:41,221 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:51:41,656 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:51:42,172 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:51:42,623 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:51:43,038 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:51:43,424 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:51:43,818 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:51:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:46,903 INFO L93 Difference]: Finished difference Result 1500 states and 1844 transitions. [2020-09-24 15:51:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:51:46,904 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 244 [2020-09-24 15:51:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:46,911 INFO L225 Difference]: With dead ends: 1500 [2020-09-24 15:51:46,912 INFO L226 Difference]: Without dead ends: 1096 [2020-09-24 15:51:46,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:51:46,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2020-09-24 15:51:47,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 971. [2020-09-24 15:51:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-09-24 15:51:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1138 transitions. [2020-09-24 15:51:47,086 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1138 transitions. Word has length 244 [2020-09-24 15:51:47,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:47,087 INFO L479 AbstractCegarLoop]: Abstraction has 971 states and 1138 transitions. [2020-09-24 15:51:47,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:51:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1138 transitions. [2020-09-24 15:51:47,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-24 15:51:47,095 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:47,095 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:47,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:51:47,096 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:47,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:47,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1338254, now seen corresponding path program 1 times [2020-09-24 15:51:47,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:47,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885790484] [2020-09-24 15:51:47,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:51:47,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:51:47,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:51:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-24 15:51:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-24 15:51:47,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,663 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:51:47,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:47,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 15:51:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:51:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:47,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:51:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:47,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:51:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:47,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:47,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:47,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:51:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:47,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:47,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:47,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:51:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:47,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:47,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:51:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:47,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:47,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:47,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:51:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:47,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:47,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:51:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:47,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:47,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:51:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:47,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:47,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:47,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:51:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:47,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:47,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:51:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:47,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:51:47,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-24 15:51:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:47,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:51:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:47,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:51:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:47,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:47,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:51:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:47,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:47,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:47,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:47,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:47,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:47,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:47,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:51:47,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1885790484] [2020-09-24 15:51:47,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:47,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:51:47,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003871638] [2020-09-24 15:51:47,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:51:47,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:47,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:51:47,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:51:47,976 INFO L87 Difference]: Start difference. First operand 971 states and 1138 transitions. Second operand 8 states. [2020-09-24 15:51:48,714 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:51:53,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:53,290 INFO L93 Difference]: Finished difference Result 2202 states and 2759 transitions. [2020-09-24 15:51:53,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:51:53,294 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 249 [2020-09-24 15:51:53,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:53,301 INFO L225 Difference]: With dead ends: 2202 [2020-09-24 15:51:53,301 INFO L226 Difference]: Without dead ends: 1383 [2020-09-24 15:51:53,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:51:53,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2020-09-24 15:51:53,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1281. [2020-09-24 15:51:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2020-09-24 15:51:53,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1519 transitions. [2020-09-24 15:51:53,517 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1519 transitions. Word has length 249 [2020-09-24 15:51:53,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:53,518 INFO L479 AbstractCegarLoop]: Abstraction has 1281 states and 1519 transitions. [2020-09-24 15:51:53,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:51:53,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1519 transitions. [2020-09-24 15:51:53,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-24 15:51:53,522 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:53,522 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:53,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:51:53,523 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:53,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:53,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1098958093, now seen corresponding path program 1 times [2020-09-24 15:51:53,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:53,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858542619] [2020-09-24 15:51:53,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:53,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:53,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:53,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:53,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:53,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:51:53,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:51:53,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:51:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-24 15:51:53,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 15:51:53,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,086 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:51:54,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:54,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:54,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 15:51:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:51:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:54,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:54,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:51:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:51:54,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:51:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:54,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:54,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:54,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:51:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:54,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:54,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:54,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:51:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:54,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:54,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:51:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:54,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:54,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:51:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:54,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:54,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:54,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:51:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:51:54,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:54,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:54,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:51:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:54,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:54,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:54,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:51:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:54,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:54,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:54,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 15:51:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:54,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:51:54,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:54,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:54,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:54,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:51:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:54,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:54,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:51:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:54,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:54,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:51:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:54,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:54,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:54,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:51:54,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858542619] [2020-09-24 15:51:54,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:54,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 15:51:54,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281953034] [2020-09-24 15:51:54,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:51:54,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:54,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:51:54,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:51:54,501 INFO L87 Difference]: Start difference. First operand 1281 states and 1519 transitions. Second operand 14 states. [2020-09-24 15:51:55,308 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:51:57,551 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:51:57,926 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:51:58,318 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:51:58,764 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 15:51:59,140 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:52:01,352 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:52:01,781 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:52:02,399 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:52:05,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:52:05,377 INFO L93 Difference]: Finished difference Result 2635 states and 3394 transitions. [2020-09-24 15:52:05,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-24 15:52:05,378 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 249 [2020-09-24 15:52:05,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:52:05,389 INFO L225 Difference]: With dead ends: 2635 [2020-09-24 15:52:05,390 INFO L226 Difference]: Without dead ends: 1929 [2020-09-24 15:52:05,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=373, Invalid=1109, Unknown=0, NotChecked=0, Total=1482 [2020-09-24 15:52:05,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2020-09-24 15:52:05,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1724. [2020-09-24 15:52:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1724 states. [2020-09-24 15:52:05,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2131 transitions. [2020-09-24 15:52:05,680 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2131 transitions. Word has length 249 [2020-09-24 15:52:05,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:52:05,680 INFO L479 AbstractCegarLoop]: Abstraction has 1724 states and 2131 transitions. [2020-09-24 15:52:05,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:52:05,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2131 transitions. [2020-09-24 15:52:05,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-09-24 15:52:05,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:05,688 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:52:05,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:52:05,688 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:05,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:05,689 INFO L82 PathProgramCache]: Analyzing trace with hash -932935669, now seen corresponding path program 1 times [2020-09-24 15:52:05,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:05,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616720937] [2020-09-24 15:52:05,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:05,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:05,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:05,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:05,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:05,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 407 [2020-09-24 15:52:05,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:05,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:05,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:05,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:05,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-24 15:52:05,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:52:05,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,159 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:52:06,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:52:06,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:52:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:06,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:52:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:52:06,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:06,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:52:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:06,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:06,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:52:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:06,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:52:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:06,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:52:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:06,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:52:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:06,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:06,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:52:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:06,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:06,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:52:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:06,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:06,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 15:52:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:06,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:52:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:06,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:52:06,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:52:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:52:06,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:06,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-24 15:52:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:52:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:06,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:52:06,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:06,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 15:52:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:52:06,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 15:52:06,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:06,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:06,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:52:06,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:52:06,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:52:06,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:06,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:52:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:52:06,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:52:06,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:06,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:52:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:52:06,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:52:06,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:06,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:52:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:52:06,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:52:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:52:06,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:06,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:52:06,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:52:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:52:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:52:06,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:52:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:06,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:06,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-24 15:52:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:52:06,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:52:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:06,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:06,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-09-24 15:52:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:06,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:06,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:52:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-09-24 15:52:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:06,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:06,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:06,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-09-24 15:52:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:06,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:06,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:06,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:06,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:06,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:06,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:06,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:06,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:06,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:06,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:06,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:06,671 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-09-24 15:52:06,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616720937] [2020-09-24 15:52:06,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:06,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 15:52:06,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140060645] [2020-09-24 15:52:06,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:52:06,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:06,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:52:06,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:52:06,680 INFO L87 Difference]: Start difference. First operand 1724 states and 2131 transitions. Second operand 14 states. [2020-09-24 15:52:08,787 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:52:09,400 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:52:09,755 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:52:10,142 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:52:10,516 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 15:52:10,858 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:52:15,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:52:15,118 INFO L93 Difference]: Finished difference Result 2921 states and 3762 transitions. [2020-09-24 15:52:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:52:15,119 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 338 [2020-09-24 15:52:15,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:52:15,127 INFO L225 Difference]: With dead ends: 2921 [2020-09-24 15:52:15,128 INFO L226 Difference]: Without dead ends: 1349 [2020-09-24 15:52:15,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=314, Invalid=876, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 15:52:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2020-09-24 15:52:15,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1155. [2020-09-24 15:52:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1155 states. [2020-09-24 15:52:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1385 transitions. [2020-09-24 15:52:15,311 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1385 transitions. Word has length 338 [2020-09-24 15:52:15,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:52:15,311 INFO L479 AbstractCegarLoop]: Abstraction has 1155 states and 1385 transitions. [2020-09-24 15:52:15,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:52:15,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1385 transitions. [2020-09-24 15:52:15,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-09-24 15:52:15,316 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:15,317 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:52:15,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:52:15,318 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:15,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:15,318 INFO L82 PathProgramCache]: Analyzing trace with hash -506035444, now seen corresponding path program 1 times [2020-09-24 15:52:15,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:15,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1605300742] [2020-09-24 15:52:15,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:15,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:15,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:15,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:15,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:15,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 419 [2020-09-24 15:52:15,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:15,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 15:52:15,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:52:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-24 15:52:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 15:52:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:15,951 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:52:15,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:15,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:15,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:15,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:15,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:15,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:52:15,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:15,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:15,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 15:52:15,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:52:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:16,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:52:16,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:52:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:52:16,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:16,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:52:16,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:16,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:52:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:16,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:52:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:16,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:16,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:52:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:16,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:52:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:16,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:52:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:16,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:16,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:52:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:16,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:52:16,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:52:16,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:52:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:16,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:52:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 15:52:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:16,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:16,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:16,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:52:16,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:52:16,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 15:52:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:52:16,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:52:16,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:52:16,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-24 15:52:16,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:52:16,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:52:16,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:52:16,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:52:16,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 15:52:16,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:52:16,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 15:52:16,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:16,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:52:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 15:52:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:52:16,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:52:16,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:16,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:52:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 15:52:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:52:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:52:16,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:16,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:52:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:52:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:52:16,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:52:16,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:16,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:16,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:52:16,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:52:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:52:16,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:52:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:52:16,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:52:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:16,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-24 15:52:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:52:16,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:52:16,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:16,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:16,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:16,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-09-24 15:52:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:16,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:52:16,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-09-24 15:52:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:52:16,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 15:52:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 15:52:16,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:52:16,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:16,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-09-24 15:52:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:16,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:16,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-24 15:52:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:16,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:16,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:16,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:16,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:16,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:16,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:16,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:16,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:16,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:16,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-09-24 15:52:16,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1605300742] [2020-09-24 15:52:16,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:52:16,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:52:16,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421489512] [2020-09-24 15:52:16,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:52:16,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:16,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:52:16,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:52:16,755 INFO L87 Difference]: Start difference. First operand 1155 states and 1385 transitions. Second operand 17 states. [2020-09-24 15:52:17,645 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210