/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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:49:51,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:49:51,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:49:51,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:49:51,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:49:51,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:49:51,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:49:51,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:49:51,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:49:51,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:49:51,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:49:51,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:49:51,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:49:51,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:49:51,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:49:51,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:49:51,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:49:51,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:49:51,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:49:51,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:49:51,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:49:51,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:49:51,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:49:51,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:49:51,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:49:51,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:49:51,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:49:51,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:49:51,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:49:51,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:49:51,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:49:51,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:49:51,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:49:51,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:49:51,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:49:51,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:49:51,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:49:51,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:49:51,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:49:51,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:49:51,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:49:51,234 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 15:49:51,275 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:49:51,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:49:51,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:49:51,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:49:51,280 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:49:51,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:49:51,282 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:49:51,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:49:51,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:49:51,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:49:51,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:49:51,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:49:51,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:49:51,284 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:49:51,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:49:51,285 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:49:51,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:49:51,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:49:51,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:49:51,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:49:51,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:49:51,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:49:51,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:49:51,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:49:51,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:49:51,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:49:51,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:49:51,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:49:51,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:49:51,289 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 15:49:51,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:49:51,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:49:51,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:49:51,767 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:49:51,768 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:49:51,769 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product38.cil.c [2020-09-24 15:49:51,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4963c53be/2807ec50765a4ebf8966451c9b335fb6/FLAGa3bcd1584 [2020-09-24 15:49:52,478 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:49:52,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product38.cil.c [2020-09-24 15:49:52,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4963c53be/2807ec50765a4ebf8966451c9b335fb6/FLAGa3bcd1584 [2020-09-24 15:49:52,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4963c53be/2807ec50765a4ebf8966451c9b335fb6 [2020-09-24 15:49:52,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:49:52,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:49:52,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:49:52,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:49:52,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:49:52,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:52" (1/1) ... [2020-09-24 15:49:52,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:52, skipping insertion in model container [2020-09-24 15:49:52,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:52" (1/1) ... [2020-09-24 15:49:52,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:49:52,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:49:53,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:49:53,285 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:49:53,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:49:53,507 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:49:53,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53 WrapperNode [2020-09-24 15:49:53,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:49:53,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:49:53,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:49:53,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:49:53,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53" (1/1) ... [2020-09-24 15:49:53,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53" (1/1) ... [2020-09-24 15:49:53,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53" (1/1) ... [2020-09-24 15:49:53,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53" (1/1) ... [2020-09-24 15:49:53,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53" (1/1) ... [2020-09-24 15:49:53,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53" (1/1) ... [2020-09-24 15:49:53,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53" (1/1) ... [2020-09-24 15:49:53,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:49:53,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:49:53,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:49:53,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:49:53,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53" (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 15:49:53,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:49:53,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:49:53,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:49:53,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:49:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:49:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:49:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:49:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:49:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:49:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:49:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:49:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:49:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:49:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:49:53,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:49:53,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:49:53,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:49:53,693 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:49:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:49:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:49:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:49:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:49:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:49:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:49:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:49:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:49:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:49:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:49:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:49:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:49:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:49:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:49:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:49:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:49:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:49:53,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:49:53,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:49:53,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:49:53,697 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:49:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:49:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:49:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:49:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:49:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:49:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:49:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:49:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:49:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:49:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:49:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:49:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:49:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:49:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:49:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:49:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:49:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:49:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:49:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:49:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:49:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:49:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:49:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:49:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:49:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:49:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:49:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:49:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:49:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:49:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:49:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:49:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:49:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:49:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:49:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:49:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:49:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:49:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:49:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:49:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:49:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:49:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:49:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:49:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:49:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:49:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:49:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:49:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:49:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:49:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:49:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:49:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:49:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:49:54,855 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:49:54,855 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:49:54,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:49:54 BoogieIcfgContainer [2020-09-24 15:49:54,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:49:54,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:49:54,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:49:54,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:49:54,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:49:52" (1/3) ... [2020-09-24 15:49:54,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cb81f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:49:54, skipping insertion in model container [2020-09-24 15:49:54,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53" (2/3) ... [2020-09-24 15:49:54,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cb81f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:49:54, skipping insertion in model container [2020-09-24 15:49:54,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:49:54" (3/3) ... [2020-09-24 15:49:54,873 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product38.cil.c [2020-09-24 15:49:54,885 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:49:54,896 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:49:54,917 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:49:54,953 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:49:54,953 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:49:54,953 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:49:54,953 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:49:54,954 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:49:54,954 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:49:54,954 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:49:54,954 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:49:54,985 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-24 15:49:55,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:49:55,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:55,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:55,006 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:55,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:55,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1971275482, now seen corresponding path program 1 times [2020-09-24 15:49:55,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:55,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216510546] [2020-09-24 15:49:55,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:55,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:55,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:55,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:55,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:55,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:49:55,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:55,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:49:55,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:49:55,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:55,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:55,912 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:55,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:55,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:55,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:55,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:55,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:55,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:55,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:49:55,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:55,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:55,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:55,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:55,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:56,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:56,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:56,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:56,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:56,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:49:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:56,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:49:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:56,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:56,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:56,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216510546] [2020-09-24 15:49:56,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:56,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:49:56,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348001699] [2020-09-24 15:49:56,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:49:56,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:56,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:49:56,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:49:56,197 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 3 states. [2020-09-24 15:49:57,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:57,622 INFO L93 Difference]: Finished difference Result 486 states and 576 transitions. [2020-09-24 15:49:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:49:57,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:49:57,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:57,661 INFO L225 Difference]: With dead ends: 486 [2020-09-24 15:49:57,662 INFO L226 Difference]: Without dead ends: 301 [2020-09-24 15:49:57,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:49:57,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-24 15:49:57,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 259. [2020-09-24 15:49:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-24 15:49:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 280 transitions. [2020-09-24 15:49:57,774 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 280 transitions. Word has length 142 [2020-09-24 15:49:57,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:57,775 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 280 transitions. [2020-09-24 15:49:57,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:49:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 280 transitions. [2020-09-24 15:49:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:49:57,782 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:57,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:57,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:49:57,785 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:57,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:57,785 INFO L82 PathProgramCache]: Analyzing trace with hash 633899820, now seen corresponding path program 1 times [2020-09-24 15:49:57,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:57,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139232608] [2020-09-24 15:49:57,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:57,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:57,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:57,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:57,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:57,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:49:57,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:57,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:49:57,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:49:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:49:57,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,389 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:58,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:58,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:58,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:58,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:58,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:58,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:58,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:58,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:49:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:58,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:49:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:58,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:58,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:58,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139232608] [2020-09-24 15:49:58,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:58,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:49:58,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989191586] [2020-09-24 15:49:58,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:49:58,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:58,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:49:58,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:49:58,521 INFO L87 Difference]: Start difference. First operand 259 states and 280 transitions. Second operand 4 states. [2020-09-24 15:49:59,206 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:00,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:00,219 INFO L93 Difference]: Finished difference Result 399 states and 447 transitions. [2020-09-24 15:50:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:00,226 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:50:00,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:00,230 INFO L225 Difference]: With dead ends: 399 [2020-09-24 15:50:00,231 INFO L226 Difference]: Without dead ends: 284 [2020-09-24 15:50:00,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:00,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-09-24 15:50:00,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 249. [2020-09-24 15:50:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 15:50:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 267 transitions. [2020-09-24 15:50:00,281 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 267 transitions. Word has length 143 [2020-09-24 15:50:00,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:00,282 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 267 transitions. [2020-09-24 15:50:00,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 267 transitions. [2020-09-24 15:50:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:50:00,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:00,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:00,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:50:00,286 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:00,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:00,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1196513202, now seen corresponding path program 1 times [2020-09-24 15:50:00,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:00,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535405692] [2020-09-24 15:50:00,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:00,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:50:00,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:50:00,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:50:00,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:00,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:50:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:00,710 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:00,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:00,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:00,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:00,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:00,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:00,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:00,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:00,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:00,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:00,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:00,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:00,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:00,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:00,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:00,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:00,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:00,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:00,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:00,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:00,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:00,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:00,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:00,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:00,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:00,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:00,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:00,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:00,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:00,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:00,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:00,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:00,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:00,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:00,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:00,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:00,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:00,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:00,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:00,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:50:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:00,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:50:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:00,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:00,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:00,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:00,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:00,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:00,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:00,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:00,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:00,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:00,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:00,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:00,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535405692] [2020-09-24 15:50:00,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:00,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:50:00,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976284640] [2020-09-24 15:50:00,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:50:00,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:00,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:50:00,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:00,837 INFO L87 Difference]: Start difference. First operand 249 states and 267 transitions. Second operand 5 states. [2020-09-24 15:50:01,343 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:02,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:02,334 INFO L93 Difference]: Finished difference Result 445 states and 509 transitions. [2020-09-24 15:50:02,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:50:02,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:50:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:02,340 INFO L225 Difference]: With dead ends: 445 [2020-09-24 15:50:02,340 INFO L226 Difference]: Without dead ends: 306 [2020-09-24 15:50:02,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:50:02,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-24 15:50:02,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 249. [2020-09-24 15:50:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 15:50:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2020-09-24 15:50:02,386 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 156 [2020-09-24 15:50:02,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:02,386 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2020-09-24 15:50:02,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:50:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2020-09-24 15:50:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-24 15:50:02,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:02,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:02,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:50:02,391 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:02,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:02,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1224764540, now seen corresponding path program 1 times [2020-09-24 15:50:02,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:02,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805367787] [2020-09-24 15:50:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:02,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:02,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:02,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:02,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:02,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-24 15:50:02,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:02,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:50:02,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 15:50:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:02,970 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:02,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:03,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:03,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:03,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:03,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:03,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:03,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:03,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:03,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:03,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:03,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:03,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:03,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:03,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:50:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:03,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:03,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:50:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:03,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:03,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:03,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:03,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:03,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:03,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:03,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:03,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:03,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:03,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:03,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:50:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:03,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:03,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:03,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:50:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:03,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:03,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:03,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:03,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:03,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:03,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:03,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:03,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:03,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:03,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:03,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:03,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805367787] [2020-09-24 15:50:03,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:03,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:50:03,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241850555] [2020-09-24 15:50:03,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:50:03,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:03,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:50:03,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:50:03,260 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand 7 states. [2020-09-24 15:50:03,948 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:05,656 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:06,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:06,539 INFO L93 Difference]: Finished difference Result 625 states and 739 transitions. [2020-09-24 15:50:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:50:06,540 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-09-24 15:50:06,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:06,547 INFO L225 Difference]: With dead ends: 625 [2020-09-24 15:50:06,548 INFO L226 Difference]: Without dead ends: 486 [2020-09-24 15:50:06,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:50:06,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-09-24 15:50:06,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 359. [2020-09-24 15:50:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-09-24 15:50:06,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 385 transitions. [2020-09-24 15:50:06,635 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 385 transitions. Word has length 169 [2020-09-24 15:50:06,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:06,636 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 385 transitions. [2020-09-24 15:50:06,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:50:06,636 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 385 transitions. [2020-09-24 15:50:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:50:06,639 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:06,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:06,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:50:06,640 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:06,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:06,640 INFO L82 PathProgramCache]: Analyzing trace with hash -984286957, now seen corresponding path program 1 times [2020-09-24 15:50:06,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:06,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488547595] [2020-09-24 15:50:06,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:06,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:06,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:06,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:06,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:06,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-24 15:50:06,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:06,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:50:06,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:06,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:06,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:50:06,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-09-24 15:50:06,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,134 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:07,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:07,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:50:07,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:07,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:07,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:07,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:07,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:07,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:07,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:07,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:50:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:50:07,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:50:07,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:50:07,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:07,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:07,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:07,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:50:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:07,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:07,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:07,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:50:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:07,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488547595] [2020-09-24 15:50:07,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:07,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:50:07,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171585410] [2020-09-24 15:50:07,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:50:07,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:07,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:50:07,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:50:07,398 INFO L87 Difference]: Start difference. First operand 359 states and 385 transitions. Second operand 10 states. [2020-09-24 15:50:08,140 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:09,636 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:09,971 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:10,311 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:10,598 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:10,918 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:11,206 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:11,503 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:12,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:12,926 INFO L93 Difference]: Finished difference Result 967 states and 1172 transitions. [2020-09-24 15:50:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:50:12,927 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-09-24 15:50:12,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:12,933 INFO L225 Difference]: With dead ends: 967 [2020-09-24 15:50:12,933 INFO L226 Difference]: Without dead ends: 718 [2020-09-24 15:50:12,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-09-24 15:50:12,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-09-24 15:50:13,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 517. [2020-09-24 15:50:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-09-24 15:50:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 566 transitions. [2020-09-24 15:50:13,008 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 566 transitions. Word has length 193 [2020-09-24 15:50:13,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:13,009 INFO L479 AbstractCegarLoop]: Abstraction has 517 states and 566 transitions. [2020-09-24 15:50:13,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:50:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 566 transitions. [2020-09-24 15:50:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 15:50:13,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:13,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:13,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:50:13,013 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:13,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:13,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1310833489, now seen corresponding path program 1 times [2020-09-24 15:50:13,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:13,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221518867] [2020-09-24 15:50:13,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-09-24 15:50:13,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:50:13,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:50:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-09-24 15:50:13,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,494 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:13,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:13,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:13,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:13,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:13,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:13,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:13,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:13,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:13,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:13,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:13,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:50:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:50:13,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:13,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:50:13,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:13,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:13,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:50:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:13,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:13,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:13,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:13,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:13,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:13,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 15:50:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:13,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:13,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:13,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:13,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:50:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:13,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:13,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:13,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:13,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:13,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:13,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:50:13,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:13,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221518867] [2020-09-24 15:50:13,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:13,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:50:13,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874289603] [2020-09-24 15:50:13,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:50:13,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:13,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:50:13,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:13,789 INFO L87 Difference]: Start difference. First operand 517 states and 566 transitions. Second operand 11 states. [2020-09-24 15:50:14,425 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:16,072 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:16,356 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:16,678 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:16,988 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:17,300 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:17,637 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:17,929 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:18,269 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:19,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:19,954 INFO L93 Difference]: Finished difference Result 727 states and 870 transitions. [2020-09-24 15:50:19,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:50:19,955 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 198 [2020-09-24 15:50:19,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:19,960 INFO L225 Difference]: With dead ends: 727 [2020-09-24 15:50:19,961 INFO L226 Difference]: Without dead ends: 724 [2020-09-24 15:50:19,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:50:19,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-09-24 15:50:20,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 520. [2020-09-24 15:50:20,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-09-24 15:50:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 569 transitions. [2020-09-24 15:50:20,031 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 569 transitions. Word has length 198 [2020-09-24 15:50:20,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:20,032 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 569 transitions. [2020-09-24 15:50:20,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:50:20,032 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 569 transitions. [2020-09-24 15:50:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:50:20,035 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:20,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:20,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:50:20,036 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:20,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1297159124, now seen corresponding path program 1 times [2020-09-24 15:50:20,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:20,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623108790] [2020-09-24 15:50:20,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:50:20,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:20,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:20,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-24 15:50:20,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:20,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,366 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:20,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:20,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:20,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:20,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:20,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:20,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:20,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:20,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:20,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:20,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:50:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:20,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:50:20,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:50:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:20,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:20,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:20,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:50:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:20,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:20,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:20,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:50:20,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:20,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:20,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:20,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:20,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:50:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:20,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:50:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:20,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:20,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623108790] [2020-09-24 15:50:20,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:20,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:50:20,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455995929] [2020-09-24 15:50:20,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:50:20,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:20,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:50:20,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:20,635 INFO L87 Difference]: Start difference. First operand 520 states and 569 transitions. Second operand 11 states. [2020-09-24 15:50:22,032 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:22,339 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:22,645 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:22,939 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:23,239 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:23,519 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:24,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:24,900 INFO L93 Difference]: Finished difference Result 1144 states and 1352 transitions. [2020-09-24 15:50:24,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:50:24,901 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 199 [2020-09-24 15:50:24,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:24,909 INFO L225 Difference]: With dead ends: 1144 [2020-09-24 15:50:24,909 INFO L226 Difference]: Without dead ends: 734 [2020-09-24 15:50:24,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:50:24,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2020-09-24 15:50:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 536. [2020-09-24 15:50:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-24 15:50:25,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 585 transitions. [2020-09-24 15:50:25,064 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 585 transitions. Word has length 199 [2020-09-24 15:50:25,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:25,065 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 585 transitions. [2020-09-24 15:50:25,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:50:25,066 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 585 transitions. [2020-09-24 15:50:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:50:25,072 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:25,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:25,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:50:25,073 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:25,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:25,074 INFO L82 PathProgramCache]: Analyzing trace with hash 323288948, now seen corresponding path program 1 times [2020-09-24 15:50:25,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:25,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114832365] [2020-09-24 15:50:25,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:25,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -78 [2020-09-24 15:50:25,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 78 [2020-09-24 15:50:25,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:50:25,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:50:25,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:25,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-09-24 15:50:25,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:25,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,423 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:25,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:25,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:25,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:25,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:25,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:25,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:25,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:25,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:25,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:25,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:25,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:25,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:25,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:25,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:25,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:25,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:50:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:25,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:25,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:25,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:50:25,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:25,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:25,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:25,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:50:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:25,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:25,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:50:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:25,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:25,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:50:25,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:25,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:25,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:25,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:25,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:25,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:50:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:25,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:25,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:25,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:50:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:25,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:25,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:25,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114832365] [2020-09-24 15:50:25,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:25,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:50:25,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699884768] [2020-09-24 15:50:25,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:50:25,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:25,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:50:25,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:50:25,756 INFO L87 Difference]: Start difference. First operand 536 states and 585 transitions. Second operand 10 states. [2020-09-24 15:50:26,997 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:27,293 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:27,575 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:27,908 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:28,195 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:29,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:29,592 INFO L93 Difference]: Finished difference Result 1037 states and 1211 transitions. [2020-09-24 15:50:29,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:50:29,593 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-09-24 15:50:29,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:29,596 INFO L225 Difference]: With dead ends: 1037 [2020-09-24 15:50:29,596 INFO L226 Difference]: Without dead ends: 611 [2020-09-24 15:50:29,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:50:29,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2020-09-24 15:50:29,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 462. [2020-09-24 15:50:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-09-24 15:50:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 493 transitions. [2020-09-24 15:50:29,652 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 493 transitions. Word has length 199 [2020-09-24 15:50:29,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:29,653 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 493 transitions. [2020-09-24 15:50:29,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:50:29,653 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 493 transitions. [2020-09-24 15:50:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:50:29,656 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:29,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:29,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:50:29,657 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:29,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:29,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1317005033, now seen corresponding path program 1 times [2020-09-24 15:50:29,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:29,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954866055] [2020-09-24 15:50:29,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:50:29,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,018 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:30,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:30,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:30,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:30,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:30,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:30,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:30,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:30,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:30,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:30,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:30,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:50:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:30,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:50:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:30,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:30,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:30,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:30,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:30,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:30,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:30,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:30,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:50:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:30,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:50:30,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:30,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:50:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:30,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:30,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954866055] [2020-09-24 15:50:30,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:30,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:50:30,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535683743] [2020-09-24 15:50:30,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:50:30,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:30,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:50:30,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:30,298 INFO L87 Difference]: Start difference. First operand 462 states and 493 transitions. Second operand 11 states. [2020-09-24 15:50:31,633 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:32,423 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:32,725 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:33,069 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:33,386 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:33,669 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:33,957 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:34,286 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:34,570 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:36,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:36,703 INFO L93 Difference]: Finished difference Result 1067 states and 1305 transitions. [2020-09-24 15:50:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:50:36,703 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 199 [2020-09-24 15:50:36,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:36,708 INFO L225 Difference]: With dead ends: 1067 [2020-09-24 15:50:36,709 INFO L226 Difference]: Without dead ends: 802 [2020-09-24 15:50:36,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-24 15:50:36,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2020-09-24 15:50:36,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 577. [2020-09-24 15:50:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-09-24 15:50:36,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 638 transitions. [2020-09-24 15:50:36,790 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 638 transitions. Word has length 199 [2020-09-24 15:50:36,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:36,790 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 638 transitions. [2020-09-24 15:50:36,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:50:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 638 transitions. [2020-09-24 15:50:36,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-09-24 15:50:36,795 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:36,796 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 15:50:36,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:50:36,796 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:36,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:36,797 INFO L82 PathProgramCache]: Analyzing trace with hash -743373737, now seen corresponding path program 1 times [2020-09-24 15:50:36,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:36,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832078297] [2020-09-24 15:50:36,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-09-24 15:50:36,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:50:36,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:50:36,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-24 15:50:36,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-09-24 15:50:36,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,201 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:37,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:37,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:37,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:37,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:37,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:37,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:37,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:37,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:37,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:37,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:50:37,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:37,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:50:37,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:37,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:50:37,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:37,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:37,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:37,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:37,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:37,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:37,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:37,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:37,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:37,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:37,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:37,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:37,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:37,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:37,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:37,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:50:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:37,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:50:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:37,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:37,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:50:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:37,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:37,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:50:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:37,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:37,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:37,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:50:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:37,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:37,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:50:37,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:37,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:37,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:50:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:37,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:37,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:37,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-09-24 15:50:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:37,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:37,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-09-24 15:50:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:37,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:37,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:37,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:37,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:37,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:37,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:37,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-24 15:50:37,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832078297] [2020-09-24 15:50:37,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:37,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:50:37,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871529561] [2020-09-24 15:50:37,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:50:37,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:37,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:50:37,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:50:37,648 INFO L87 Difference]: Start difference. First operand 577 states and 638 transitions. Second operand 14 states. [2020-09-24 15:50:38,173 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:38,941 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:40,238 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:40,536 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:40,856 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:41,151 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:41,438 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:41,737 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:42,022 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:42,328 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:42,651 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:42,942 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:44,922 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:45,203 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:46,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:46,723 INFO L93 Difference]: Finished difference Result 1577 states and 1964 transitions. [2020-09-24 15:50:46,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-24 15:50:46,723 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 273 [2020-09-24 15:50:46,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:46,733 INFO L225 Difference]: With dead ends: 1577 [2020-09-24 15:50:46,733 INFO L226 Difference]: Without dead ends: 1197 [2020-09-24 15:50:46,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 61 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=599, Invalid=1563, Unknown=0, NotChecked=0, Total=2162 [2020-09-24 15:50:46,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2020-09-24 15:50:46,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 765. [2020-09-24 15:50:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-09-24 15:50:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 856 transitions. [2020-09-24 15:50:46,855 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 856 transitions. Word has length 273 [2020-09-24 15:50:46,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:46,857 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 856 transitions. [2020-09-24 15:50:46,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:50:46,858 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 856 transitions. [2020-09-24 15:50:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-09-24 15:50:46,861 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:46,862 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:46,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:50:46,863 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:46,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:46,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1185603479, now seen corresponding path program 2 times [2020-09-24 15:50:46,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:46,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574096034] [2020-09-24 15:50:46,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 15:50:46,996 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 15:50:46,997 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 15:50:47,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:50:47,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:50:47 BoogieIcfgContainer [2020-09-24 15:50:47,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:50:47,057 INFO L168 Benchmark]: Toolchain (without parser) took 54287.95 ms. Allocated memory was 148.4 MB in the beginning and 846.2 MB in the end (delta: 697.8 MB). Free memory was 103.4 MB in the beginning and 206.9 MB in the end (delta: -103.6 MB). Peak memory consumption was 594.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:50:47,058 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-24 15:50:47,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.09 ms. Allocated memory was 148.4 MB in the beginning and 204.5 MB in the end (delta: 56.1 MB). Free memory was 102.7 MB in the beginning and 174.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:50:47,060 INFO L168 Benchmark]: Boogie Preprocessor took 105.50 ms. Allocated memory is still 204.5 MB. Free memory was 174.7 MB in the beginning and 170.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-24 15:50:47,061 INFO L168 Benchmark]: RCFGBuilder took 1249.30 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 170.0 MB in the beginning and 175.0 MB in the end (delta: -5.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:50:47,061 INFO L168 Benchmark]: TraceAbstraction took 52190.39 ms. Allocated memory was 234.9 MB in the beginning and 846.2 MB in the end (delta: 611.3 MB). Free memory was 175.0 MB in the beginning and 206.9 MB in the end (delta: -32.0 MB). Peak memory consumption was 579.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:50:47,065 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.09 ms. Allocated memory was 148.4 MB in the beginning and 204.5 MB in the end (delta: 56.1 MB). Free memory was 102.7 MB in the beginning and 174.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.50 ms. Allocated memory is still 204.5 MB. Free memory was 174.7 MB in the beginning and 170.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1249.30 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 170.0 MB in the beginning and 175.0 MB in the end (delta: -5.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52190.39 ms. Allocated memory was 234.9 MB in the beginning and 846.2 MB in the end (delta: 611.3 MB). Free memory was 175.0 MB in the beginning and 206.9 MB in the end (delta: -32.0 MB). Peak memory consumption was 579.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 247]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L349] int pumpRunning = 0; [L350] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); [L128] RET, EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L281] int splverifierCounter ; [L282] int tmp ; [L283] int tmp___0 ; [L284] int tmp___1 ; [L285] int tmp___2 ; [L288] splverifierCounter = 0 [L290] COND TRUE 1 [L292] COND TRUE splverifierCounter < 4 [L298] tmp = __VERIFIER_nondet_int() [L300] COND TRUE \read(tmp) [L302] CALL waterRise() [L167] COND TRUE waterLevel < 2 [L168] waterLevel = waterLevel + 1 [L302] RET waterRise() [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND TRUE \read(tmp___2) [L322] CALL startSystem() [L530] systemActive = 1 [L322] RET startSystem() [L335] CALL timeShift() [L356] COND FALSE !(\read(pumpRunning)) [L363] COND TRUE \read(systemActive) [L365] CALL processEnvironment() [L411] int tmp ; [L414] COND FALSE !(\read(pumpRunning)) [L429] CALL processEnvironment__wrappee__highWaterSensor() [L385] int tmp ; [L388] COND TRUE ! pumpRunning [L390] CALL, EXPR isHighWaterLevel() [L508] int retValue_acc ; [L509] int tmp ; [L510] int tmp___0 ; [L514] CALL, EXPR isHighWaterSensorDry() [L229] int retValue_acc ; [L232] COND FALSE !(waterLevel < 2) [L236] retValue_acc = 0 [L237] return (retValue_acc); [L514] RET, EXPR isHighWaterSensorDry() [L514] tmp = isHighWaterSensorDry() [L516] COND FALSE !(\read(tmp)) [L519] tmp___0 = 1 [L521] retValue_acc = tmp___0 [L522] return (retValue_acc); [L390] RET, EXPR isHighWaterLevel() [L390] tmp = isHighWaterLevel() [L392] COND TRUE \read(tmp) [L394] CALL activatePump() [L439] pumpRunning = 1 [L394] RET activatePump() [L429] RET processEnvironment__wrappee__highWaterSensor() [L365] RET processEnvironment() [L371] CALL __utac_acc__Specification4_spec__1() [L254] int tmp ; [L255] int tmp___0 ; [L259] CALL, EXPR getWaterLevel() [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); [L259] RET, EXPR getWaterLevel() [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) [L371] RET __utac_acc__Specification4_spec__1() [L335] RET timeShift() [L290] COND TRUE 1 [L292] COND TRUE splverifierCounter < 4 [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND TRUE \read(tmp___2) [L322] CALL startSystem() [L530] systemActive = 1 [L322] RET startSystem() [L335] CALL timeShift() [L356] COND TRUE \read(pumpRunning) [L358] CALL lowerWaterLevel() [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 [L358] RET lowerWaterLevel() [L363] COND TRUE \read(systemActive) [L365] CALL processEnvironment() [L411] int tmp ; [L414] COND TRUE \read(pumpRunning) [L416] CALL, EXPR isMethaneAlarm() [L452] int retValue_acc ; [L456] CALL, EXPR isMethaneLevelCritical() [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); [L456] RET, EXPR isMethaneLevelCritical() [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); [L416] RET, EXPR isMethaneAlarm() [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) [L424] CALL processEnvironment__wrappee__highWaterSensor() [L385] int tmp ; [L388] COND FALSE !(! pumpRunning) [L403] FCALL processEnvironment__wrappee__base() [L424] RET processEnvironment__wrappee__highWaterSensor() [L365] RET processEnvironment() [L371] CALL __utac_acc__Specification4_spec__1() [L254] int tmp ; [L255] int tmp___0 ; [L259] CALL, EXPR getWaterLevel() [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); [L259] RET, EXPR getWaterLevel() [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) [L371] RET __utac_acc__Specification4_spec__1() [L335] RET timeShift() [L290] COND TRUE 1 [L292] COND TRUE splverifierCounter < 4 [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND TRUE \read(tmp___2) [L322] CALL startSystem() [L530] systemActive = 1 [L322] RET startSystem() [L335] CALL timeShift() [L356] COND TRUE \read(pumpRunning) [L358] CALL lowerWaterLevel() [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 [L358] RET lowerWaterLevel() [L363] COND TRUE \read(systemActive) [L365] CALL processEnvironment() [L411] int tmp ; [L414] COND TRUE \read(pumpRunning) [L416] CALL, EXPR isMethaneAlarm() [L452] int retValue_acc ; [L456] CALL, EXPR isMethaneLevelCritical() [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); [L456] RET, EXPR isMethaneLevelCritical() [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); [L416] RET, EXPR isMethaneAlarm() [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) [L424] CALL processEnvironment__wrappee__highWaterSensor() [L385] int tmp ; [L388] COND FALSE !(! pumpRunning) [L403] FCALL processEnvironment__wrappee__base() [L424] RET processEnvironment__wrappee__highWaterSensor() [L365] RET processEnvironment() [L371] CALL __utac_acc__Specification4_spec__1() [L254] int tmp ; [L255] int tmp___0 ; [L259] CALL, EXPR getWaterLevel() [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); [L259] RET, EXPR getWaterLevel() [L259] tmp = getWaterLevel() [L261] COND TRUE tmp == 0 [L263] CALL, EXPR isPumpRunning() [L463] int retValue_acc ; [L466] retValue_acc = pumpRunning [L467] return (retValue_acc); [L263] RET, EXPR isPumpRunning() [L263] tmp___0 = isPumpRunning() [L265] COND TRUE \read(tmp___0) [L267] CALL __automaton_fail() [L247] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 622 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 52.0s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 43.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2513 SDtfs, 5837 SDslu, 4613 SDs, 0 SdLazy, 10777 SolverSat, 1875 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 500 GetRequests, 310 SyntacticMatches, 10 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 19.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=765occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1670 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2218 NumberOfCodeBlocks, 2218 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1861 ConstructedInterpolants, 0 QuantifiedInterpolants, 867616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 37/43 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...