/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --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_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:11:03,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:11:03,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:11:03,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:11:03,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:11:03,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:11:03,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:11:03,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:11:03,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:11:03,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:11:03,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:11:03,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:11:03,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:11:03,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:11:03,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:11:03,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:11:03,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:11:03,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:11:03,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:11:03,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:11:03,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:11:03,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:11:03,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:11:03,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:11:03,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:11:03,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:11:03,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:11:03,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:11:03,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:11:03,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:11:03,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:11:03,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:11:03,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:11:03,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:11:03,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:11:03,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:11:03,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:11:03,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:11:03,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:11:03,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:11:03,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:11:03,226 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 20:11:03,253 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:11:03,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:11:03,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:11:03,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:11:03,255 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:11:03,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:11:03,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:11:03,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:11:03,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:11:03,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:11:03,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:11:03,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:11:03,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:11:03,257 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:11:03,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:11:03,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:11:03,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:11:03,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:11:03,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:11:03,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:11:03,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:11:03,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:11:03,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:11:03,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:11:03,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:11:03,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:11:03,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:11:03,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:11:03,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:11:03,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:11:03,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:11:03,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:11:03,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:11:03,747 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:11:03,748 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:11:03,750 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-09-24 20:11:03,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e94f6cff8/82ac24d0d2be4e42b52bf27bc17a2122/FLAG92413db23 [2020-09-24 20:11:04,430 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:11:04,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-09-24 20:11:04,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e94f6cff8/82ac24d0d2be4e42b52bf27bc17a2122/FLAG92413db23 [2020-09-24 20:11:04,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e94f6cff8/82ac24d0d2be4e42b52bf27bc17a2122 [2020-09-24 20:11:04,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:11:04,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:11:04,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:11:04,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:11:04,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:11:04,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:11:04" (1/1) ... [2020-09-24 20:11:04,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78532141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:04, skipping insertion in model container [2020-09-24 20:11:04,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:11:04" (1/1) ... [2020-09-24 20:11:04,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:11:04,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:11:05,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:11:05,329 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:11:05,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:11:05,445 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:11:05,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05 WrapperNode [2020-09-24 20:11:05,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:11:05,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:11:05,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:11:05,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:11:05,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05" (1/1) ... [2020-09-24 20:11:05,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05" (1/1) ... [2020-09-24 20:11:05,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05" (1/1) ... [2020-09-24 20:11:05,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05" (1/1) ... [2020-09-24 20:11:05,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05" (1/1) ... [2020-09-24 20:11:05,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05" (1/1) ... [2020-09-24 20:11:05,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05" (1/1) ... [2020-09-24 20:11:05,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:11:05,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:11:05,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:11:05,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:11:05,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:11:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:11:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:11:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:11:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:11:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:11:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:11:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:11:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:11:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:11:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:11:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:11:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:11:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:11:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:11:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:11:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 20:11:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 20:11:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:11:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:11:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:11:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:11:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:11:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:11:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:11:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:11:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:11:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:11:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:11:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:11:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:11:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:11:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:11:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:11:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:11:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:11:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:11:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:11:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:11:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:11:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:11:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:11:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:11:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:11:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:11:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:11:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:11:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:11:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:11:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:11:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:11:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:11:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:11:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:11:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:11:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:11:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:11:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 20:11:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:11:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:11:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:11:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:11:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:11:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:11:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:11:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:11:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 20:11:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:11:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:11:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:11:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:11:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:11:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:11:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:11:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:11:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:11:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:11:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:11:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:11:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:11:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:11:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:11:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:11:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:11:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:11:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:11:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:11:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:11:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:11:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:11:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:11:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:11:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:11:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:11:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:11:06,861 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:11:06,861 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:11:06,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:11:06 BoogieIcfgContainer [2020-09-24 20:11:06,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:11:06,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:11:06,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:11:06,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:11:06,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:11:04" (1/3) ... [2020-09-24 20:11:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1f41fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:11:06, skipping insertion in model container [2020-09-24 20:11:06,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:05" (2/3) ... [2020-09-24 20:11:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1f41fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:11:06, skipping insertion in model container [2020-09-24 20:11:06,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:11:06" (3/3) ... [2020-09-24 20:11:06,879 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-09-24 20:11:06,891 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:11:06,904 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:11:06,928 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:11:06,967 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:11:06,968 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:11:06,968 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:11:06,968 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:11:06,968 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:11:06,968 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:11:06,969 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:11:06,969 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:11:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2020-09-24 20:11:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:11:07,019 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:11:07,021 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] [2020-09-24 20:11:07,022 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:11:07,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:11:07,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1902377435, now seen corresponding path program 1 times [2020-09-24 20:11:07,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:11:07,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049133007] [2020-09-24 20:11:07,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:11:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:07,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:07,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:09,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:10,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:10,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:12,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:12,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:11:12,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:11:12,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-24 20:11:12,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:12,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:11:12,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:11:12,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 20:11:12,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 20:11:13,160 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:11:13,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:11:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:13,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:13,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:13,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:11:13,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:13,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-09-24 20:11:13,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:11:13,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:11:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:13,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:13,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:13,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:13,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:11:13,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:13,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:11:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:13,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:13,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:13,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:13,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:13,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:13,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:13,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:11:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:13,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:13,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:13,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:13,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 20:11:13,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:11:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:13,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:13,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:13,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:13,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:13,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:11:13,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:13,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:13,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:13,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:13,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:13,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:11:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:13,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:13,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:13,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:13,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:13,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:13,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:11:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:13,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 20:11:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:13,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:13,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:13,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:13,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:13,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:11:13,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:13,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:11:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:13,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:13,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:13,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:13,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:13,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:11:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:13,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:13,789 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 20:11:13,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049133007] [2020-09-24 20:11:13,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:11:13,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:11:13,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974030758] [2020-09-24 20:11:13,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:11:13,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:11:13,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:11:13,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:11:13,827 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 9 states. [2020-09-24 20:11:14,598 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:11:15,713 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:11:16,151 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 20:11:16,593 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:17,009 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:11:17,375 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:11:18,208 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:11:18,594 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:11:19,183 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:20,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:11:20,522 INFO L93 Difference]: Finished difference Result 663 states and 807 transitions. [2020-09-24 20:11:20,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 20:11:20,526 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-24 20:11:20,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:11:20,553 INFO L225 Difference]: With dead ends: 663 [2020-09-24 20:11:20,554 INFO L226 Difference]: Without dead ends: 460 [2020-09-24 20:11:20,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-24 20:11:20,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-09-24 20:11:20,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 387. [2020-09-24 20:11:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-09-24 20:11:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 432 transitions. [2020-09-24 20:11:20,707 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 432 transitions. Word has length 148 [2020-09-24 20:11:20,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:11:20,709 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 432 transitions. [2020-09-24 20:11:20,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:11:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 432 transitions. [2020-09-24 20:11:20,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-24 20:11:20,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:11:20,717 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] [2020-09-24 20:11:20,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:11:20,717 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:11:20,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:11:20,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1595258182, now seen corresponding path program 1 times [2020-09-24 20:11:20,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:11:20,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245699442] [2020-09-24 20:11:20,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:11:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:20,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:21,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:21,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:23,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:25,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:25,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-24 20:11:25,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:11:25,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 20:11:25,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 20:11:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 20:11:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 20:11:25,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:26,125 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:11:26,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:11:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:26,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:26,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:26,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:11:26,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:26,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-24 20:11:26,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 20:11:26,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:26,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:11:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:26,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:26,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:26,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:26,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:26,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:26,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:26,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:26,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:11:26,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:11:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:26,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:26,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:26,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:26,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:26,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:26,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:26,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:26,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:26,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:11:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:26,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:26,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:26,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:26,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:26,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:11:26,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:26,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:26,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:26,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:26,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:26,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:11:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:26,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:26,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:26,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:26,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:26,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:26,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:26,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:26,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:26,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:11:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:26,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:26,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:26,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:26,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:26,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:26,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:26,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:26,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:11:26,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:26,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 20:11:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:26,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:26,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:26,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:11:26,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:26,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:11:26,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:11:26,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:11:26,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 20:11:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:26,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:26,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:26,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:26,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:26,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:11:26,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:26,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:26,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:26,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-24 20:11:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:26,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:26,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:26,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:26,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:26,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:11:26,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:26,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:26,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:26,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:26,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:26,771 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 20:11:26,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245699442] [2020-09-24 20:11:26,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:11:26,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:11:26,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071127925] [2020-09-24 20:11:26,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:11:26,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:11:26,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:11:26,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:11:26,778 INFO L87 Difference]: Start difference. First operand 387 states and 432 transitions. Second operand 10 states. [2020-09-24 20:11:27,411 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:11:29,134 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 20:11:29,772 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-24 20:11:30,151 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:11:30,507 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:11:30,847 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:11:31,698 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:11:32,025 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 20:11:32,400 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:11:34,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:11:34,068 INFO L93 Difference]: Finished difference Result 951 states and 1188 transitions. [2020-09-24 20:11:34,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 20:11:34,069 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-09-24 20:11:34,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:11:34,078 INFO L225 Difference]: With dead ends: 951 [2020-09-24 20:11:34,078 INFO L226 Difference]: Without dead ends: 679 [2020-09-24 20:11:34,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2020-09-24 20:11:34,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-09-24 20:11:34,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 560. [2020-09-24 20:11:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-24 20:11:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 645 transitions. [2020-09-24 20:11:34,203 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 645 transitions. Word has length 163 [2020-09-24 20:11:34,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:11:34,204 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 645 transitions. [2020-09-24 20:11:34,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:11:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 645 transitions. [2020-09-24 20:11:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 20:11:34,208 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:11:34,209 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, 1, 1] [2020-09-24 20:11:34,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:11:34,209 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:11:34,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:11:34,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1300660200, now seen corresponding path program 1 times [2020-09-24 20:11:34,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:11:34,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882787569] [2020-09-24 20:11:34,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:11:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:34,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:34,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:37,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:37,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 20:11:37,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:11:37,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3450 [2020-09-24 20:11:37,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:11:37,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 20:11:37,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 20:11:37,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:38,093 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:11:38,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:11:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:11:38,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 20:11:38,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:38,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:38,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:11:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:38,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:11:38,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:38,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:38,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:11:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:38,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:11:38,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:38,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:38,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:38,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:11:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:38,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:38,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:38,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:38,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:11:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:38,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:38,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:38,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:11:38,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:11:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:38,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:38,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 20:11:38,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:38,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 20:11:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:11:38,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:11:38,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:38,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:11:38,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:38,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 20:11:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:11:38,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:11:38,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 20:11:38,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:11:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:11:38,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:11:38,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 20:11:38,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:11:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:11:38,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:38,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:11:38,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 20:11:38,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:11:38,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:11:38,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:38,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:11:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:11:38,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:11:38,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:11:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:38,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:11:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:38,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:38,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:11:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:38,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:38,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 20:11:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:38,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:38,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:38,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:38,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 20:11:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:38,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:38,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:38,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:11:38,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:38,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:38,752 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 20:11:38,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882787569] [2020-09-24 20:11:38,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:11:38,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 20:11:38,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913683007] [2020-09-24 20:11:38,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 20:11:38,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:11:38,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 20:11:38,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 20:11:38,758 INFO L87 Difference]: Start difference. First operand 560 states and 645 transitions. Second operand 11 states. [2020-09-24 20:11:39,270 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:11:40,403 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:11:40,730 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:11:41,093 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:11:41,473 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 20:11:41,798 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:11:43,483 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:11:43,841 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:11:44,219 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:44,573 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:11:44,924 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:11:46,463 INFO L93 Difference]: Finished difference Result 1748 states and 2365 transitions. [2020-09-24 20:11:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 20:11:46,465 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 201 [2020-09-24 20:11:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:11:46,475 INFO L225 Difference]: With dead ends: 1748 [2020-09-24 20:11:46,476 INFO L226 Difference]: Without dead ends: 1303 [2020-09-24 20:11:46,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=289, Invalid=767, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 20:11:46,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2020-09-24 20:11:46,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 942. [2020-09-24 20:11:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2020-09-24 20:11:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1106 transitions. [2020-09-24 20:11:46,630 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1106 transitions. Word has length 201 [2020-09-24 20:11:46,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:11:46,631 INFO L479 AbstractCegarLoop]: Abstraction has 942 states and 1106 transitions. [2020-09-24 20:11:46,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 20:11:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1106 transitions. [2020-09-24 20:11:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-09-24 20:11:46,639 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:11:46,640 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 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] [2020-09-24 20:11:46,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:11:46,641 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:11:46,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:11:46,641 INFO L82 PathProgramCache]: Analyzing trace with hash 759119342, now seen corresponding path program 1 times [2020-09-24 20:11:46,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:11:46,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634791313] [2020-09-24 20:11:46,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:11:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:46,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:46,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:47,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:47,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:47,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:47,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:47,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:48,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:51,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:51,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 438 [2020-09-24 20:11:51,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 20:11:51,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-24 20:11:51,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:11:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 20:11:51,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 20:11:51,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:52,122 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:11:52,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:11:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:11:52,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-24 20:11:52,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 20:11:52,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:11:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:52,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:52,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:11:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:52,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:52,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:52,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:11:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:52,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:11:52,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:52,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:11:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:52,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:52,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:52,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:11:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:52,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:52,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:11:52,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 20:11:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:11:52,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:11:52,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:11:52,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 20:11:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 20:11:52,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:11:52,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 20:11:52,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 20:11:52,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 20:11:52,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:11:52,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 20:11:52,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:52,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:52,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:11:52,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:52,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-24 20:11:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 20:11:52,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:52,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 20:11:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:52,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 20:11:52,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:52,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:52,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:52,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:52,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-24 20:11:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 20:11:52,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:11:52,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-24 20:11:52,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:11:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:11:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:11:52,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:11:52,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 20:11:52,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:11:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:11:52,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:11:52,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:52,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:52,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:52,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:52,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:11:52,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 20:11:52,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:11:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:11:52,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:11:52,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:11:53,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 20:11:53,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:11:53,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:11:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:11:53,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:11:53,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:11:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:53,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:53,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:11:53,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:11:53,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 20:11:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 20:11:53,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:53,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 20:11:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:53,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:53,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-24 20:11:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 20:11:53,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:11:53,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-24 20:11:53,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:11:53,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:11:53,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:11:53,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:11:53,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 20:11:53,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:11:53,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:11:53,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:11:53,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:11:53,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 20:11:53,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:11:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:11:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:11:53,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:11:53,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 20:11:53,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:11:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:11:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:11:53,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:53,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:53,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:11:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:53,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:53,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:11:53,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 20:11:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 20:11:53,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:11:53,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-24 20:11:53,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:53,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:53,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 20:11:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:53,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:53,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-24 20:11:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:53,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:53,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:11:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:53,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-24 20:11:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:53,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:53,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:11:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-09-24 20:11:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:53,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:53,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:53,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:53,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:53,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:53,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:11:53,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:53,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-09-24 20:11:53,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634791313] [2020-09-24 20:11:53,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:11:53,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 20:11:53,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520575269] [2020-09-24 20:11:53,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 20:11:53,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:11:53,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 20:11:53,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:11:53,860 INFO L87 Difference]: Start difference. First operand 942 states and 1106 transitions. Second operand 15 states. [2020-09-24 20:11:54,384 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189