/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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_spec1_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:35:21,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:35:21,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:35:21,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:35:21,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:35:21,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:35:21,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:35:21,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:35:21,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:35:21,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:35:21,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:35:21,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:35:21,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:35:21,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:35:21,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:35:21,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:35:21,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:35:21,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:35:21,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:35:21,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:35:21,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:35:21,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:35:21,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:35:21,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:35:21,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:35:21,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:35:21,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:35:21,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:35:21,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:35:21,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:35:21,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:35:21,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:35:21,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:35:21,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:35:21,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:35:21,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:35:21,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:35:21,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:35:21,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:35:21,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:35:21,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:35:21,498 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 08:35:21,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:35:21,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:35:21,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:35:21,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:35:21,526 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:35:21,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:35:21,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:35:21,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:35:21,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:35:21,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:35:21,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:35:21,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:35:21,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:35:21,528 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:35:21,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:35:21,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:35:21,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:35:21,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:35:21,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:35:21,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:35:21,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:35:21,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:35:21,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:35:21,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:35:21,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:35:21,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:35:21,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:35:21,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:35:21,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:35:21,531 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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:35:21,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:35:22,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:35:22,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:35:22,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:35:22,028 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:35:22,029 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c [2020-09-25 08:35:22,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaf5da021/5a20660bc24a49eabdca6c848f72fb60/FLAGdd80deaa5 [2020-09-25 08:35:22,736 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:35:22,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c [2020-09-25 08:35:22,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaf5da021/5a20660bc24a49eabdca6c848f72fb60/FLAGdd80deaa5 [2020-09-25 08:35:22,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaf5da021/5a20660bc24a49eabdca6c848f72fb60 [2020-09-25 08:35:22,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:35:22,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:35:22,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:35:22,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:35:22,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:35:22,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:35:22" (1/1) ... [2020-09-25 08:35:22,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:22, skipping insertion in model container [2020-09-25 08:35:22,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:35:22" (1/1) ... [2020-09-25 08:35:23,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:35:23,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:35:23,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:35:23,554 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:35:23,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:35:23,679 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:35:23,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23 WrapperNode [2020-09-25 08:35:23,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:35:23,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:35:23,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:35:23,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:35:23,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23" (1/1) ... [2020-09-25 08:35:23,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23" (1/1) ... [2020-09-25 08:35:23,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23" (1/1) ... [2020-09-25 08:35:23,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23" (1/1) ... [2020-09-25 08:35:23,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23" (1/1) ... [2020-09-25 08:35:23,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23" (1/1) ... [2020-09-25 08:35:23,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23" (1/1) ... [2020-09-25 08:35:23,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:35:23,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:35:23,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:35:23,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:35:23,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23" (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 08:35:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:35:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:35:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:35:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:35:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:35:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:35:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:35:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:35:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:35:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:35:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:35:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:35:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:35:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:35:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:35:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:35:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:35:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:35:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:35:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:35:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:35:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:35:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:35:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:35:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:35:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:35:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:35:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:35:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:35:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:35:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:35:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:35:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:35:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:35:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:35:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:35:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:35:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:35:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:35:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:35:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:35:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:35:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:35:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:35:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:35:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:35:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:35:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:35:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:35:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:35:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:35:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:35:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:35:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:35:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:35:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:35:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:35:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:35:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:35:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:35:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:35:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:35:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:35:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:35:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:35:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:35:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:35:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:35:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:35:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:35:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:35:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:35:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:35:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:35:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:35:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:35:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:35:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:35:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:35:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:35:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:35:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:35:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:35:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:35:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:35:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:35:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:35:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:35:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:35:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:35:25,051 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:35:25,051 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:35:25,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:35:25 BoogieIcfgContainer [2020-09-25 08:35:25,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:35:25,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:35:25,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:35:25,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:35:25,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:35:22" (1/3) ... [2020-09-25 08:35:25,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34750b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:35:25, skipping insertion in model container [2020-09-25 08:35:25,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:23" (2/3) ... [2020-09-25 08:35:25,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34750b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:35:25, skipping insertion in model container [2020-09-25 08:35:25,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:35:25" (3/3) ... [2020-09-25 08:35:25,071 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2020-09-25 08:35:25,082 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:35:25,095 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:35:25,118 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:35:25,149 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:35:25,149 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:35:25,150 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:35:25,150 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:35:25,150 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:35:25,150 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:35:25,150 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:35:25,150 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:35:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2020-09-25 08:35:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:35:25,195 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:35:25,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:35:25,197 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:35:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:35:25,204 INFO L82 PathProgramCache]: Analyzing trace with hash 750514354, now seen corresponding path program 1 times [2020-09-25 08:35:25,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:35:25,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092991275] [2020-09-25 08:35:25,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:35:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:25,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:25,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:27,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:28,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:30,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:30,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:30,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:35:30,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:35:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 08:35:30,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:30,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 08:35:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:30,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:35:31,073 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:35:31,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:35:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:31,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:31,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:31,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:35:31,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:31,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-25 08:35:31,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:31,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:31,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:31,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:31,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:31,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:31,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:35:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:31,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:31,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:31,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:31,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:31,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:35:31,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:31,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:31,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:31,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:31,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:31,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:31,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:35:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:31,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:31,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:31,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:31,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:35:31,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:31,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:31,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:31,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:31,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:35:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:31,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:31,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:31,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:31,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:35:31,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:31,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:31,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:31,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:35:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:31,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:31,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:31,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:31,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:31,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:35:31,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:31,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:31,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:31,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:31,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:31,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:31,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:35:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:31,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:31,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:31,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:31,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:31,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:35:31,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:31,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:31,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:31,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:31,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:35:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:31,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:31,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:31,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:31,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:31,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:35:31,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:31,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:31,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:31,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:31,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:31,493 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 08:35:31,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092991275] [2020-09-25 08:35:31,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:35:31,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 08:35:31,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603773512] [2020-09-25 08:35:31,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 08:35:31,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:35:31,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 08:35:31,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:35:31,543 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2020-09-25 08:35:33,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:35:33,105 INFO L93 Difference]: Finished difference Result 439 states and 524 transitions. [2020-09-25 08:35:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 08:35:33,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 08:35:33,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:35:33,139 INFO L225 Difference]: With dead ends: 439 [2020-09-25 08:35:33,139 INFO L226 Difference]: Without dead ends: 277 [2020-09-25 08:35:33,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:35:33,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-25 08:35:33,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2020-09-25 08:35:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-09-25 08:35:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 255 transitions. [2020-09-25 08:35:33,340 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 255 transitions. Word has length 142 [2020-09-25 08:35:33,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:35:33,342 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 255 transitions. [2020-09-25 08:35:33,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 08:35:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 255 transitions. [2020-09-25 08:35:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 08:35:33,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:35:33,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:35:33,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:35:33,355 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:35:33,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:35:33,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1453121021, now seen corresponding path program 1 times [2020-09-25 08:35:33,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:35:33,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618468416] [2020-09-25 08:35:33,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:35:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:33,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:33,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:35,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:35,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:36,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 08:35:38,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:35:38,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 08:35:38,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:35:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:35:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,765 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:35:38,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:35:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:35:38,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 08:35:38,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:38,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:35:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:38,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:38,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:38,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:38,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:38,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:35:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:38,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:38,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:38,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:38,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:35:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:38,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:35:38,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:35:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:38,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:38,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:38,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:38,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:35:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:38,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:38,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:38,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:38,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:38,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:35:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:38,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:38,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,988 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 08:35:38,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618468416] [2020-09-25 08:35:38,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:35:38,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:35:38,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281806474] [2020-09-25 08:35:38,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:35:38,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:35:38,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:35:38,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:35:38,993 INFO L87 Difference]: Start difference. First operand 236 states and 255 transitions. Second operand 4 states. [2020-09-25 08:35:39,698 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:35:40,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:35:40,536 INFO L93 Difference]: Finished difference Result 347 states and 389 transitions. [2020-09-25 08:35:40,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:35:40,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 08:35:40,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:35:40,541 INFO L225 Difference]: With dead ends: 347 [2020-09-25 08:35:40,541 INFO L226 Difference]: Without dead ends: 260 [2020-09-25 08:35:40,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:35:40,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-25 08:35:40,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 226. [2020-09-25 08:35:40,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-09-25 08:35:40,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 242 transitions. [2020-09-25 08:35:40,585 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 242 transitions. Word has length 143 [2020-09-25 08:35:40,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:35:40,586 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 242 transitions. [2020-09-25 08:35:40,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:35:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 242 transitions. [2020-09-25 08:35:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 08:35:40,588 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:35:40,589 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] [2020-09-25 08:35:40,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:35:40,589 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:35:40,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:35:40,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1038765417, now seen corresponding path program 1 times [2020-09-25 08:35:40,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:35:40,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919357861] [2020-09-25 08:35:40,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:35:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:40,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:41,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:42,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:45,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:45,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 08:35:45,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:35:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 08:35:45,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:45,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:35:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:35:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 08:35:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,124 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:35:46,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:35:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:35:46,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-25 08:35:46,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:46,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:35:46,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:35:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:46,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:35:46,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:46,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:35:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:46,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:35:46,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:46,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:46,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:35:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:46,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:35:46,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:35:46,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:35:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:46,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:35:46,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:46,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:35:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:46,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:35:46,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:35:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:35:46,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 08:35:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:46,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:35:46,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:46,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,616 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 08:35:46,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1919357861] [2020-09-25 08:35:46,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:35:46,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 08:35:46,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753414784] [2020-09-25 08:35:46,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 08:35:46,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:35:46,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 08:35:46,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 08:35:46,626 INFO L87 Difference]: Start difference. First operand 226 states and 242 transitions. Second operand 8 states. [2020-09-25 08:35:47,301 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:35:48,438 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:35:48,781 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:35:49,216 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:35:49,561 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:35:49,917 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:35:50,242 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:35:50,573 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:35:51,078 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:35:51,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:35:51,755 INFO L93 Difference]: Finished difference Result 491 states and 565 transitions. [2020-09-25 08:35:51,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 08:35:51,757 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-09-25 08:35:51,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:35:51,760 INFO L225 Difference]: With dead ends: 491 [2020-09-25 08:35:51,761 INFO L226 Difference]: Without dead ends: 375 [2020-09-25 08:35:51,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 08:35:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-09-25 08:35:51,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 327. [2020-09-25 08:35:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-09-25 08:35:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 358 transitions. [2020-09-25 08:35:51,821 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 358 transitions. Word has length 152 [2020-09-25 08:35:51,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:35:51,822 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 358 transitions. [2020-09-25 08:35:51,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 08:35:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 358 transitions. [2020-09-25 08:35:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 08:35:51,824 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:35:51,825 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] [2020-09-25 08:35:51,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:35:51,825 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:35:51,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:35:51,826 INFO L82 PathProgramCache]: Analyzing trace with hash 24014077, now seen corresponding path program 1 times [2020-09-25 08:35:51,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:35:51,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123017367] [2020-09-25 08:35:51,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:35:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:51,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:52,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:54,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:56,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:56,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-25 08:35:56,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:35:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 08:35:56,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:56,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:35:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 08:35:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 08:35:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:57,246 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:35:57,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:35:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:57,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:57,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:57,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:35:57,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 08:35:57,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:57,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 08:35:57,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:57,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:35:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:57,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:57,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:57,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:57,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:57,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:35:57,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:57,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:57,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:57,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:57,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:35:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:57,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:57,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:57,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:57,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:57,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:35:57,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:57,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:57,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:57,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:35:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:57,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:57,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:57,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:57,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:35:57,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:57,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:57,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:35:57,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:57,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:35:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:57,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:57,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:57,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:57,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:57,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:35:57,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:57,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:57,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:57,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:57,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:57,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:57,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:35:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:57,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:57,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:57,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:35:57,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:57,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:35:57,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:57,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:35:57,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:57,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 08:35:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:57,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:57,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:57,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:57,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:57,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:57,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:57,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:57,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:57,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 08:35:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:57,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:57,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:57,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:57,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:57,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:35:57,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:57,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:57,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:57,747 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 08:35:57,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123017367] [2020-09-25 08:35:57,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:35:57,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:35:57,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287903586] [2020-09-25 08:35:57,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:35:57,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:35:57,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:35:57,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:35:57,750 INFO L87 Difference]: Start difference. First operand 327 states and 358 transitions. Second operand 6 states. [2020-09-25 08:35:58,390 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:35:59,154 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:36:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:36:00,690 INFO L93 Difference]: Finished difference Result 1044 states and 1235 transitions. [2020-09-25 08:36:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 08:36:00,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 08:36:00,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:36:00,699 INFO L225 Difference]: With dead ends: 1044 [2020-09-25 08:36:00,699 INFO L226 Difference]: Without dead ends: 827 [2020-09-25 08:36:00,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:36:00,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-09-25 08:36:00,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 639. [2020-09-25 08:36:00,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-09-25 08:36:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 718 transitions. [2020-09-25 08:36:00,806 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 718 transitions. Word has length 157 [2020-09-25 08:36:00,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:36:00,806 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 718 transitions. [2020-09-25 08:36:00,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:36:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 718 transitions. [2020-09-25 08:36:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 08:36:00,809 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:36:00,809 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] [2020-09-25 08:36:00,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:36:00,810 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:36:00,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:36:00,810 INFO L82 PathProgramCache]: Analyzing trace with hash -57306092, now seen corresponding path program 1 times [2020-09-25 08:36:00,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:36:00,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606926954] [2020-09-25 08:36:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:36:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:00,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:01,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:01,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:02,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 08:36:05,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:36:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4183 [2020-09-25 08:36:05,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:36:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 08:36:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 08:36:05,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,430 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:36:05,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:36:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:36:05,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:05,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-25 08:36:05,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:05,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:36:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:05,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:05,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:36:05,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:05,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:36:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:05,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:05,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:36:05,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:05,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:36:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:05,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:05,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:36:05,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:36:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:05,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:05,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:36:05,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:05,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:05,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:05,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:36:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:36:05,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:05,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:36:05,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 08:36:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:36:05,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:36:05,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:36:05,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:36:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:36:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:36:05,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:36:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:05,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:05,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:36:05,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:36:05,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:05,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:36:05,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 08:36:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:05,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:05,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:36:05,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:36:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:36:05,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 08:36:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:05,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:05,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:05,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:05,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:05,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:36:05,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:05,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:36:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:36:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:05,820 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 08:36:05,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606926954] [2020-09-25 08:36:05,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:36:05,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:36:05,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730304370] [2020-09-25 08:36:05,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:36:05,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:36:05,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:36:05,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:36:05,823 INFO L87 Difference]: Start difference. First operand 639 states and 718 transitions. Second operand 10 states. [2020-09-25 08:36:06,411 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:36:08,203 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2020-09-25 08:36:08,875 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-25 08:36:09,245 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:36:09,573 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191