/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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:59:50,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:59:50,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:59:50,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:59:50,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:59:50,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:59:50,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:59:50,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:59:50,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:59:50,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:59:50,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:59:50,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:59:50,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:59:50,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:59:50,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:59:50,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:59:50,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:59:50,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:59:50,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:59:50,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:59:50,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:59:50,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:59:50,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:59:50,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:59:50,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:59:50,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:59:50,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:59:50,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:59:50,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:59:50,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:59:50,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:59:50,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:59:50,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:59:50,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:59:50,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:59:50,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:59:50,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:59:50,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:59:50,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:59:50,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:59:50,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:59:50,665 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 [2020-09-25 02:59:50,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:59:50,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:59:50,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:59:50,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:59:50,708 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:59:50,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:59:50,709 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:59:50,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:59:50,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:59:50,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:59:50,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:59:50,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:59:50,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:59:50,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:59:50,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:59:50,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:59:50,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:59:50,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:59:50,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:59:50,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:59:50,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:59:50,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:59:50,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:59:50,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:59:50,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:59:50,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:59:50,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:59:50,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:59:50,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:59:50,714 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 02:59:51,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:59:51,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:59:51,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:59:51,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:59:51,218 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:59:51,220 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-09-25 02:59:51,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/884a7687a/e1d07448ddb04a738a990dfbe25d7674/FLAG9bfa6fb26 [2020-09-25 02:59:51,970 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:59:51,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-09-25 02:59:51,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/884a7687a/e1d07448ddb04a738a990dfbe25d7674/FLAG9bfa6fb26 [2020-09-25 02:59:52,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/884a7687a/e1d07448ddb04a738a990dfbe25d7674 [2020-09-25 02:59:52,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:59:52,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:59:52,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:59:52,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:59:52,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:59:52,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:59:52" (1/1) ... [2020-09-25 02:59:52,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52, skipping insertion in model container [2020-09-25 02:59:52,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:59:52" (1/1) ... [2020-09-25 02:59:52,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:59:52,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:59:52,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:59:52,716 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:59:52,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:59:52,957 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:59:52,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52 WrapperNode [2020-09-25 02:59:52,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:59:52,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:59:52,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:59:52,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:59:52,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52" (1/1) ... [2020-09-25 02:59:52,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52" (1/1) ... [2020-09-25 02:59:52,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52" (1/1) ... [2020-09-25 02:59:52,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52" (1/1) ... [2020-09-25 02:59:53,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52" (1/1) ... [2020-09-25 02:59:53,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52" (1/1) ... [2020-09-25 02:59:53,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52" (1/1) ... [2020-09-25 02:59:53,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:59:53,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:59:53,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:59:53,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:59:53,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52" (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 [2020-09-25 02:59:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:59:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:59:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 02:59:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 02:59:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 02:59:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 02:59:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 02:59:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 02:59:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 02:59:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 02:59:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 02:59:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 02:59:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 02:59:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 02:59:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 02:59:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:59:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 02:59:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 02:59:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 02:59:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 02:59:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 02:59:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 02:59:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 02:59:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 02:59:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 02:59:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 02:59:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 02:59:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 02:59:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 02:59:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 02:59:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 02:59:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 02:59:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 02:59:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 02:59:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 02:59:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 02:59:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 02:59:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 02:59:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 02:59:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 02:59:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 02:59:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 02:59:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:59:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:59:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 02:59:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 02:59:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 02:59:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 02:59:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 02:59:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 02:59:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 02:59:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 02:59:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 02:59:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:59:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 02:59:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 02:59:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 02:59:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 02:59:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 02:59:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 02:59:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 02:59:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 02:59:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 02:59:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 02:59:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:59:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 02:59:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 02:59:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 02:59:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 02:59:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 02:59:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:59:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:59:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 02:59:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:59:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:59:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:59:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:59:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 02:59:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:59:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 02:59:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 02:59:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:59:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 02:59:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 02:59:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 02:59:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 02:59:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 02:59:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 02:59:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 02:59:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 02:59:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 02:59:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 02:59:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 02:59:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 02:59:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 02:59:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:59:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 02:59:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:59:54,507 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:59:54,507 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 02:59:54,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:59:54 BoogieIcfgContainer [2020-09-25 02:59:54,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:59:54,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:59:54,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:59:54,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:59:54,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:59:52" (1/3) ... [2020-09-25 02:59:54,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28de33ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:59:54, skipping insertion in model container [2020-09-25 02:59:54,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:59:52" (2/3) ... [2020-09-25 02:59:54,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28de33ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:59:54, skipping insertion in model container [2020-09-25 02:59:54,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:59:54" (3/3) ... [2020-09-25 02:59:54,532 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2020-09-25 02:59:54,545 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:59:54,559 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:59:54,583 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:59:54,613 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:59:54,613 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:59:54,613 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:59:54,613 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:59:54,614 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:59:54,614 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:59:54,614 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:59:54,614 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:59:54,645 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-25 02:59:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 02:59:54,666 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:59:54,668 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] [2020-09-25 02:59:54,668 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:59:54,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:59:54,677 INFO L82 PathProgramCache]: Analyzing trace with hash 900449918, now seen corresponding path program 1 times [2020-09-25 02:59:54,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:59:54,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399769883] [2020-09-25 02:59:54,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:59:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:59:55,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:59:55,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:59:57,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:00,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:00,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 03:00:00,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:00:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 03:00:00,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:00:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:00:00,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 03:00:00,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:00:00,704 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:00:00,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:00:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:00,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:01,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:01,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:00:01,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:01,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-25 03:00:01,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:00:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:01,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:00:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:01,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:01,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:01,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:01,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:01,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:01,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:01,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:01,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:00:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:01,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:01,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:01,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:01,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:01,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:01,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:01,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:01,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:01,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:01,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:00:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:01,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:01,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:01,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:01,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:00:01,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:01,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:00:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:01,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:01,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:01,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:01,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:01,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:01,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:01,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:01,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:01,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:01,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:00:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:01,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:01,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:01,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:01,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:00:01,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:01,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 03:00:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:01,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:01,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:01,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:01,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:00:01,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:00:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:01,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 03:00:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:01,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:01,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:01,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:01,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:01,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:01,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:01,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:00:01,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399769883] [2020-09-25 03:00:01,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:00:01,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:00:01,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365778427] [2020-09-25 03:00:01,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:00:01,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:00:01,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:00:01,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:00:01,327 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 8 states. [2020-09-25 03:00:01,937 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:00:03,668 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:00:04,093 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:00:04,566 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:00:05,023 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:00:05,447 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:00:05,826 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:00:06,192 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:00:08,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:00:08,211 INFO L93 Difference]: Finished difference Result 760 states and 933 transitions. [2020-09-25 03:00:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:00:08,214 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-09-25 03:00:08,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:00:08,238 INFO L225 Difference]: With dead ends: 760 [2020-09-25 03:00:08,238 INFO L226 Difference]: Without dead ends: 524 [2020-09-25 03:00:08,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:00:08,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-25 03:00:08,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 476. [2020-09-25 03:00:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-09-25 03:00:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 541 transitions. [2020-09-25 03:00:08,435 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 541 transitions. Word has length 153 [2020-09-25 03:00:08,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:00:08,436 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 541 transitions. [2020-09-25 03:00:08,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:00:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 541 transitions. [2020-09-25 03:00:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-25 03:00:08,444 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:00:08,445 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] [2020-09-25 03:00:08,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:00:08,445 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:00:08,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:00:08,446 INFO L82 PathProgramCache]: Analyzing trace with hash 2133128237, now seen corresponding path program 1 times [2020-09-25 03:00:08,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:00:08,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535990610] [2020-09-25 03:00:08,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:00:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:08,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:08,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:08,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-25 03:00:08,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:08,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-09-25 03:00:08,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 03:00:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:00:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,268 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:00:09,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:00:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:00:09,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-25 03:00:09,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:00:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:09,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:00:09,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:09,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:09,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:09,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:00:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:09,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:09,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:09,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:00:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:09,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:09,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:09,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:00:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:09,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:09,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:09,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 03:00:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:00:09,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:09,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:09,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:09,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:09,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 03:00:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:00:09,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:09,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:09,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:09,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 03:00:09,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 03:00:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:09,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:09,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:09,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:09,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 03:00:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:09,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:09,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:09,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:09,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:09,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 03:00:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:09,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:09,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:09,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:09,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:09,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:09,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:09,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:09,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:09,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:09,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:00:09,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535990610] [2020-09-25 03:00:09,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:00:09,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:00:09,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821817316] [2020-09-25 03:00:09,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:00:09,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:00:09,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:00:09,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:00:09,596 INFO L87 Difference]: Start difference. First operand 476 states and 541 transitions. Second operand 6 states. [2020-09-25 03:00:10,096 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:00:11,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:00:11,848 INFO L93 Difference]: Finished difference Result 941 states and 1146 transitions. [2020-09-25 03:00:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 03:00:11,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-09-25 03:00:11,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:00:11,857 INFO L225 Difference]: With dead ends: 941 [2020-09-25 03:00:11,857 INFO L226 Difference]: Without dead ends: 575 [2020-09-25 03:00:11,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 03:00:11,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-09-25 03:00:11,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 470. [2020-09-25 03:00:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-09-25 03:00:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 529 transitions. [2020-09-25 03:00:11,975 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 529 transitions. Word has length 172 [2020-09-25 03:00:11,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:00:11,976 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 529 transitions. [2020-09-25 03:00:11,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:00:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 529 transitions. [2020-09-25 03:00:11,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 03:00:11,980 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:00:11,981 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] [2020-09-25 03:00:11,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:00:11,981 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:00:11,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:00:11,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1731462095, now seen corresponding path program 1 times [2020-09-25 03:00:11,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:00:11,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409207930] [2020-09-25 03:00:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:00:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:12,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:12,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:12,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:12,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:13,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:15,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:17,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-09-25 03:00:17,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 03:00:17,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 03:00:17,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:00:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:00:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-25 03:00:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:17,390 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:00:17,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:00:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:17,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:17,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:00:17,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:17,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-09-25 03:00:17,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:17,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:00:17,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:17,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:00:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:17,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:17,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:17,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:17,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:17,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:17,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:17,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:00:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:17,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:17,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:17,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:17,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:00:17,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:17,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:17,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:00:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:17,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:17,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:17,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:17,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:00:17,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:17,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:17,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:00:17,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:00:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:17,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:17,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:17,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:17,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:17,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:17,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:17,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 03:00:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:17,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:17,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:00:17,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:17,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:00:17,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:17,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:17,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:17,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:00:17,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:17,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:00:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:17,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:17,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:00:17,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:17,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:00:17,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:00:17,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:17,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:00:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:17,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:17,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:17,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 03:00:17,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:00:17,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 03:00:17,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:00:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:00:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 03:00:17,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:18,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:18,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:18,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:18,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:00:18,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:00:18,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:00:18,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:18,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 03:00:18,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:00:18,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 03:00:18,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:18,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:18,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:18,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:18,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:00:18,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:00:18,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:00:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:00:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 03:00:18,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:18,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:18,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:18,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:18,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:18,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:18,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:18,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:18,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 03:00:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:18,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:18,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:18,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:18,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:18,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:18,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:18,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:18,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:18,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:18,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:18,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 03:00:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:18,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:18,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:18,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:18,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:18,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:18,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:18,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:18,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:18,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:18,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:18,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 03:00:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:18,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:18,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:18,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:18,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:18,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:18,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:18,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:00:18,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409207930] [2020-09-25 03:00:18,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:00:18,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:00:18,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947630693] [2020-09-25 03:00:18,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:00:18,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:00:18,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:00:18,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:00:18,181 INFO L87 Difference]: Start difference. First operand 470 states and 529 transitions. Second operand 9 states. [2020-09-25 03:00:18,670 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:00:20,265 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:00:23,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:00:23,633 INFO L93 Difference]: Finished difference Result 1284 states and 1652 transitions. [2020-09-25 03:00:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 03:00:23,639 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 190 [2020-09-25 03:00:23,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:00:23,647 INFO L225 Difference]: With dead ends: 1284 [2020-09-25 03:00:23,648 INFO L226 Difference]: Without dead ends: 924 [2020-09-25 03:00:23,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2020-09-25 03:00:23,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-09-25 03:00:23,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 663. [2020-09-25 03:00:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-09-25 03:00:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 758 transitions. [2020-09-25 03:00:23,774 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 758 transitions. Word has length 190 [2020-09-25 03:00:23,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:00:23,774 INFO L479 AbstractCegarLoop]: Abstraction has 663 states and 758 transitions. [2020-09-25 03:00:23,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:00:23,775 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 758 transitions. [2020-09-25 03:00:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-09-25 03:00:23,779 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:00:23,780 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:00:23,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:00:23,780 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:00:23,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:00:23,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1794416487, now seen corresponding path program 1 times [2020-09-25 03:00:23,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:00:23,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881899608] [2020-09-25 03:00:23,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:00:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:23,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:24,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:28,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:28,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 03:00:28,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:00:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 03:00:28,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 03:00:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:00:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 03:00:28,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:29,261 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:00:29,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:00:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:00:29,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-09-25 03:00:29,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:00:29,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:29,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:00:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:29,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:00:29,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:29,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:29,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:00:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:29,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:29,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:29,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:00:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:29,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:00:29,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:29,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:29,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:00:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:29,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:00:29,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:29,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 03:00:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:00:29,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 03:00:29,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:00:29,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:00:29,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:00:29,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:00:29,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 03:00:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:00:29,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:00:29,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:00:29,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:29,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:00:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 03:00:29,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 03:00:29,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 03:00:29,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 03:00:29,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:29,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 03:00:29,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 03:00:29,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 03:00:29,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:29,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 03:00:29,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 03:00:29,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 03:00:29,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:29,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:00:29,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:00:29,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:00:29,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:29,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:00:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:00:29,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:00:29,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:00:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:29,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:00:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:29,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:29,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 03:00:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:29,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:29,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:29,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:29,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 03:00:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:29,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:29,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:29,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:30,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:30,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:30,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:30,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:30,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:30,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:30,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 03:00:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:30,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:30,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:30,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:30,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:30,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:30,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:00:30,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881899608] [2020-09-25 03:00:30,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:00:30,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:00:30,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136101526] [2020-09-25 03:00:30,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:00:30,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:00:30,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:00:30,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:00:30,059 INFO L87 Difference]: Start difference. First operand 663 states and 758 transitions. Second operand 10 states. [2020-09-25 03:00:30,565 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:00:31,344 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:00:33,117 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:00:33,940 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:00:38,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:00:38,965 INFO L93 Difference]: Finished difference Result 2514 states and 3344 transitions. [2020-09-25 03:00:38,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-25 03:00:38,965 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 214 [2020-09-25 03:00:38,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:00:38,980 INFO L225 Difference]: With dead ends: 2514 [2020-09-25 03:00:38,980 INFO L226 Difference]: Without dead ends: 2157 [2020-09-25 03:00:38,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=374, Invalid=1518, Unknown=0, NotChecked=0, Total=1892 [2020-09-25 03:00:38,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2157 states. [2020-09-25 03:00:39,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2157 to 1598. [2020-09-25 03:00:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1598 states. [2020-09-25 03:00:39,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 1927 transitions. [2020-09-25 03:00:39,188 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 1927 transitions. Word has length 214 [2020-09-25 03:00:39,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:00:39,189 INFO L479 AbstractCegarLoop]: Abstraction has 1598 states and 1927 transitions. [2020-09-25 03:00:39,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:00:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1927 transitions. [2020-09-25 03:00:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-09-25 03:00:39,193 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:00:39,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:00:39,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:00:39,194 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:00:39,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:00:39,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1540758972, now seen corresponding path program 1 times [2020-09-25 03:00:39,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:00:39,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752536543] [2020-09-25 03:00:39,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:00:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:39,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:39,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:39,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 03:00:39,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:39,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 726 [2020-09-25 03:00:39,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:00:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-25 03:00:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:00:39,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,256 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:00:40,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:00:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:00:40,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 03:00:40,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:40,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:40,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:00:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:40,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:40,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:40,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:00:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:40,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:00:40,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:40,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:00:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:40,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:40,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:00:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:40,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:00:40,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:40,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 03:00:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:00:40,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:40,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 03:00:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:00:40,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:40,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:00:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 03:00:40,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 03:00:40,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:00:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 03:00:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:00:40,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 03:00:40,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 03:00:40,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:00:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:00:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:00:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 03:00:40,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 03:00:40,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:00:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:00:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:00:40,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:00:40,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 03:00:40,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:00:40,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:00:40,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:00:40,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:40,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:00:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:00:40,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 03:00:40,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:00:40,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:40,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:40,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:00:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:40,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:40,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 03:00:40,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 03:00:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:40,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:40,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:40,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:40,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 03:00:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:40,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:40,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:40,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:40,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 03:00:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:40,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:40,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:40,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:40,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:40,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:40,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:40,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:00:40,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752536543] [2020-09-25 03:00:40,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:00:40,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:00:40,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981433163] [2020-09-25 03:00:40,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:00:40,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:00:40,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:00:40,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:00:40,908 INFO L87 Difference]: Start difference. First operand 1598 states and 1927 transitions. Second operand 10 states.