/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:14:32,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:14:32,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:14:32,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:14:32,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:14:32,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:14:32,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:14:32,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:14:32,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:14:32,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:14:32,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:14:32,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:14:32,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:14:32,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:14:32,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:14:32,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:14:32,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:14:32,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:14:32,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:14:32,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:14:32,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:14:32,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:14:32,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:14:32,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:14:32,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:14:32,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:14:32,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:14:32,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:14:32,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:14:32,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:14:32,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:14:32,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:14:32,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:14:32,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:14:32,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:14:32,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:14:32,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:14:32,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:14:32,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:14:32,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:14:32,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:14:32,531 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 [2020-09-21 11:14:32,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:14:32,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:14:32,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:14:32,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:14:32,577 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:14:32,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:14:32,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:14:32,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:14:32,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:14:32,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:14:32,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:14:32,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:14:32,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:14:32,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:14:32,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:14:32,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:14:32,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:14:32,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:14:32,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:14:32,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:14:32,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:14:32,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:32,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:14:32,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:14:32,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:14:32,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:14:32,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:14:32,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:14:32,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:14:32,583 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:14:33,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:14:33,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:14:33,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:14:33,083 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:14:33,084 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:14:33,085 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2020-09-21 11:14:33,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/759bf0967/2ea6a19ae48e448d8402205c3e3eaa05/FLAGaaa11d04b [2020-09-21 11:14:33,763 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:14:33,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2020-09-21 11:14:33,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/759bf0967/2ea6a19ae48e448d8402205c3e3eaa05/FLAGaaa11d04b [2020-09-21 11:14:34,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/759bf0967/2ea6a19ae48e448d8402205c3e3eaa05 [2020-09-21 11:14:34,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:14:34,069 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:14:34,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:34,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:14:34,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:14:34,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:34" (1/1) ... [2020-09-21 11:14:34,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34, skipping insertion in model container [2020-09-21 11:14:34,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:34" (1/1) ... [2020-09-21 11:14:34,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:14:34,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:14:34,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:34,612 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:14:34,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:34,765 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:14:34,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34 WrapperNode [2020-09-21 11:14:34,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:34,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:14:34,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:14:34,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:14:34,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34" (1/1) ... [2020-09-21 11:14:34,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34" (1/1) ... [2020-09-21 11:14:34,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34" (1/1) ... [2020-09-21 11:14:34,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34" (1/1) ... [2020-09-21 11:14:34,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34" (1/1) ... [2020-09-21 11:14:34,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34" (1/1) ... [2020-09-21 11:14:34,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34" (1/1) ... [2020-09-21 11:14:34,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:14:34,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:14:34,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:14:34,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:14:34,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34" (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 [2020-09-21 11:14:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:14:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:14:34,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:34,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:14:34,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:14:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:14:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:14:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:14:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:14:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:14:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:14:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:14:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:14:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:14:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:14:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:14:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:14:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:14:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:14:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:14:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:14:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:14:34,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:14:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:14:34,976 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:14:34,976 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:14:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:14:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:14:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:14:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:14:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:14:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:14:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:14:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:14:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:14:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:14:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:14:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:14:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:14:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:14:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:14:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:14:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:14:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:14:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:14:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:14:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:14:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:14:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:14:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:14:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:14:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:14:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:14:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:14:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:14:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:14:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:14:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:14:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:14:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:14:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:14:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:14:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:14:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:14:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:14:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:14:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:14:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:14:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:14:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:14:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:14:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:14:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:14:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:14:36,027 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:14:36,028 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:14:36,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:36 BoogieIcfgContainer [2020-09-21 11:14:36,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:14:36,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:14:36,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:14:36,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:14:36,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:14:34" (1/3) ... [2020-09-21 11:14:36,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f511147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:36, skipping insertion in model container [2020-09-21 11:14:36,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:34" (2/3) ... [2020-09-21 11:14:36,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f511147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:36, skipping insertion in model container [2020-09-21 11:14:36,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:36" (3/3) ... [2020-09-21 11:14:36,050 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2020-09-21 11:14:36,062 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:14:36,076 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:14:36,100 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:14:36,128 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:14:36,129 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:14:36,129 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:14:36,129 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:14:36,129 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:14:36,129 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:14:36,130 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:14:36,130 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:14:36,158 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-09-21 11:14:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:14:36,170 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:36,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:36,172 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:36,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:36,181 INFO L82 PathProgramCache]: Analyzing trace with hash 765786489, now seen corresponding path program 1 times [2020-09-21 11:14:36,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:36,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012158278] [2020-09-21 11:14:36,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:14:36,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:14:36,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:14:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,005 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:37,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:37,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:37,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:37,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:37,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:37,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:37,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:37,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:37,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:37,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:14:37,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:37,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:37,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:37,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:14:37,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:37,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:37,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:37,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:37,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:37,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:37,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:37,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:14:37,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012158278] [2020-09-21 11:14:37,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:37,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:14:37,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967273750] [2020-09-21 11:14:37,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:14:37,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:37,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:14:37,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:37,281 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2020-09-21 11:14:38,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:38,287 INFO L93 Difference]: Finished difference Result 236 states and 309 transitions. [2020-09-21 11:14:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:14:38,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:14:38,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:38,308 INFO L225 Difference]: With dead ends: 236 [2020-09-21 11:14:38,308 INFO L226 Difference]: Without dead ends: 133 [2020-09-21 11:14:38,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:38,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-09-21 11:14:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2020-09-21 11:14:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 11:14:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2020-09-21 11:14:38,449 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 59 [2020-09-21 11:14:38,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:38,450 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2020-09-21 11:14:38,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:14:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2020-09-21 11:14:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:14:38,459 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:38,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:38,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:14:38,460 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:38,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:38,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1248196221, now seen corresponding path program 1 times [2020-09-21 11:14:38,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:38,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768609560] [2020-09-21 11:14:38,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:14:38,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:38,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:14:38,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:38,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,904 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:38,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:38,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:38,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:38,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:38,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:38,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:38,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:38,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:38,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:38,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:38,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:38,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:38,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:38,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:38,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:38,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:38,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:38,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:38,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:14:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 30 [2020-09-21 11:14:39,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:14:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:14:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:39,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:39,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:39,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:39,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:39,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:39,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:39,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:39,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:39,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:14:39,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768609560] [2020-09-21 11:14:39,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:39,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:14:39,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852548876] [2020-09-21 11:14:39,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:14:39,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:39,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:14:39,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:39,054 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 5 states. [2020-09-21 11:14:39,514 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:40,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:40,214 INFO L93 Difference]: Finished difference Result 168 states and 207 transitions. [2020-09-21 11:14:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:14:40,215 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:14:40,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:40,218 INFO L225 Difference]: With dead ends: 168 [2020-09-21 11:14:40,218 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 11:14:40,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:14:40,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 11:14:40,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-09-21 11:14:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:14:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-09-21 11:14:40,253 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 60 [2020-09-21 11:14:40,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:40,253 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-09-21 11:14:40,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:14:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-09-21 11:14:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:14:40,255 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:40,256 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:40,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:14:40,256 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:40,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:40,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1685147273, now seen corresponding path program 1 times [2020-09-21 11:14:40,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:40,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261830946] [2020-09-21 11:14:40,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:40,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:40,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:40,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:40,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:40,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:14:40,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:40,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-09-21 11:14:40,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:14:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:14:40,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:40,960 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:40,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:14:41,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:41,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:41,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:41,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:41,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:41,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:41,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:41,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:14:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:41,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:41,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:14:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:14:41,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261830946] [2020-09-21 11:14:41,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:41,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:14:41,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992086408] [2020-09-21 11:14:41,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:14:41,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:41,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:14:41,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:41,170 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 5 states. [2020-09-21 11:14:41,539 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:42,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:42,792 INFO L93 Difference]: Finished difference Result 261 states and 322 transitions. [2020-09-21 11:14:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:14:42,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:14:42,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:42,797 INFO L225 Difference]: With dead ends: 261 [2020-09-21 11:14:42,797 INFO L226 Difference]: Without dead ends: 194 [2020-09-21 11:14:42,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:14:42,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-09-21 11:14:42,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 146. [2020-09-21 11:14:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-09-21 11:14:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2020-09-21 11:14:42,860 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 65 [2020-09-21 11:14:42,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:42,862 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2020-09-21 11:14:42,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:14:42,862 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2020-09-21 11:14:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:14:42,875 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:42,875 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:42,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:14:42,876 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:42,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:42,877 INFO L82 PathProgramCache]: Analyzing trace with hash 173694809, now seen corresponding path program 1 times [2020-09-21 11:14:42,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:42,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904541305] [2020-09-21 11:14:42,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 11:14:43,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-09-21 11:14:43,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:14:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 11:14:43,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,664 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:43,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:43,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:14:43,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:43,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:43,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:43,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:43,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:43,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:43,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:43,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:43,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:43,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:43,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:43,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:43,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:43,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:43,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:43,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:14:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:43,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:43,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:43,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:14:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:43,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:43,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:43,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:43,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:14:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:43,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:43,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:43,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:43,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:14:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:43,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:43,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:43,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:43,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:14:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:43,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:43,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:43,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:43,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:43,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:43,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:43,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:43,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:43,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:43,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:14:43,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904541305] [2020-09-21 11:14:43,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:43,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:14:43,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879872730] [2020-09-21 11:14:43,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:14:43,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:43,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:14:43,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:14:43,953 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 8 states. [2020-09-21 11:14:44,327 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:45,084 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:45,801 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,112 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:46,189 INFO L93 Difference]: Finished difference Result 279 states and 354 transitions. [2020-09-21 11:14:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:14:46,190 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2020-09-21 11:14:46,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:46,191 INFO L225 Difference]: With dead ends: 279 [2020-09-21 11:14:46,191 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:14:46,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:14:46,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:14:46,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:14:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:14:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:14:46,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-09-21 11:14:46,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:46,196 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:14:46,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:14:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:14:46,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:14:46,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:14:46,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:14:46,422 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,607 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,776 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:46,941 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,100 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:47,261 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:47,604 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:14:47,938 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:14:48,263 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:14:48,408 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:48,526 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 6 [2020-09-21 11:14:48,684 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:48,834 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:48,988 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:49,142 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:49,296 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:49,465 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:49,614 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:49,766 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:49,917 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:50,070 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:50,223 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:50,372 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:50,526 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:50,681 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:50,829 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:50,982 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,135 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:51,289 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,441 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,595 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,747 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:51,900 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:52,049 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:52,152 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-21 11:14:52,312 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:52,465 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:52,624 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:52,796 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:52,949 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:53,052 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-21 11:14:53,205 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:53,357 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:53,507 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:53,660 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:53,812 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:53,964 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:54,168 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-21 11:14:54,320 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:54,427 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-21 11:14:54,744 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:14:55,063 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:14:55,380 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:14:55,621 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:55,885 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:56,100 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:56,321 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:56,518 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 11:14:56,793 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:57,198 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 11:14:57,439 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:57,660 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:58,047 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:14:58,244 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:58,480 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:58,878 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:14:59,291 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:14:59,498 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:14:59,702 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:14:59,911 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:00,123 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:00,315 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:00,553 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:00,779 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:01,026 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-21 11:15:01,031 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-09-21 11:15:01,031 INFO L268 CegarLoopResult]: For program point L383-2(lines 383 404) no Hoare annotation was computed. [2020-09-21 11:15:01,031 INFO L268 CegarLoopResult]: For program point L405(lines 382 406) no Hoare annotation was computed. [2020-09-21 11:15:01,032 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 358 413) no Hoare annotation was computed. [2020-09-21 11:15:01,032 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 358 413) no Hoare annotation was computed. [2020-09-21 11:15:01,032 INFO L268 CegarLoopResult]: For program point L389(lines 389 393) no Hoare annotation was computed. [2020-09-21 11:15:01,032 INFO L268 CegarLoopResult]: For program point L389-1(lines 389 393) no Hoare annotation was computed. [2020-09-21 11:15:01,032 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 358 413) no Hoare annotation was computed. [2020-09-21 11:15:01,032 INFO L268 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-09-21 11:15:01,032 INFO L268 CegarLoopResult]: For program point L446-1(lines 446 450) no Hoare annotation was computed. [2020-09-21 11:15:01,033 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-09-21 11:15:01,033 INFO L268 CegarLoopResult]: For program point L440-2(lines 440 465) no Hoare annotation was computed. [2020-09-21 11:15:01,033 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 414 473) no Hoare annotation was computed. [2020-09-21 11:15:01,033 INFO L268 CegarLoopResult]: For program point L466(lines 439 467) no Hoare annotation was computed. [2020-09-21 11:15:01,033 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 414 473) no Hoare annotation was computed. [2020-09-21 11:15:01,034 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 11:15:01,034 INFO L268 CegarLoopResult]: For program point L459-1(line 459) no Hoare annotation was computed. [2020-09-21 11:15:01,034 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 414 473) no Hoare annotation was computed. [2020-09-21 11:15:01,034 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 879 885) the Hoare annotation is: true [2020-09-21 11:15:01,035 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 879 885) no Hoare annotation was computed. [2020-09-21 11:15:01,035 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 886 894) no Hoare annotation was computed. [2020-09-21 11:15:01,035 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 886 894) the Hoare annotation is: true [2020-09-21 11:15:01,035 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 886 894) no Hoare annotation was computed. [2020-09-21 11:15:01,035 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:01,035 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-09-21 11:15:01,035 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-09-21 11:15:01,036 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 11:15:01,036 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-09-21 11:15:01,036 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-21 11:15:01,036 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-09-21 11:15:01,036 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-09-21 11:15:01,036 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:15:01,037 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-09-21 11:15:01,037 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-09-21 11:15:01,037 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-09-21 11:15:01,037 INFO L271 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: true [2020-09-21 11:15:01,037 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-09-21 11:15:01,037 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-09-21 11:15:01,037 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-09-21 11:15:01,038 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-09-21 11:15:01,038 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-09-21 11:15:01,038 INFO L264 CegarLoopResult]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:01,038 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:01,038 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2020-09-21 11:15:01,038 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2020-09-21 11:15:01,039 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:01,039 INFO L264 CegarLoopResult]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:01,039 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-09-21 11:15:01,039 INFO L268 CegarLoopResult]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2020-09-21 11:15:01,039 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-09-21 11:15:01,039 INFO L264 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:01,040 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:01,040 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-09-21 11:15:01,040 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-09-21 11:15:01,040 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 783 806) no Hoare annotation was computed. [2020-09-21 11:15:01,040 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-09-21 11:15:01,040 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-09-21 11:15:01,040 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-09-21 11:15:01,040 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 783 806) no Hoare annotation was computed. [2020-09-21 11:15:01,041 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-09-21 11:15:01,041 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 783 806) no Hoare annotation was computed. [2020-09-21 11:15:01,041 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-09-21 11:15:01,041 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-09-21 11:15:01,041 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-09-21 11:15:01,041 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-09-21 11:15:01,041 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-09-21 11:15:01,041 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-09-21 11:15:01,041 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-09-21 11:15:01,042 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-09-21 11:15:01,042 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 282 296) no Hoare annotation was computed. [2020-09-21 11:15:01,042 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:01,042 INFO L268 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2020-09-21 11:15:01,042 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 282 296) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:15:01,042 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 282 296) no Hoare annotation was computed. [2020-09-21 11:15:01,042 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 237 245) no Hoare annotation was computed. [2020-09-21 11:15:01,042 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 237 245) the Hoare annotation is: true [2020-09-21 11:15:01,042 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 237 245) no Hoare annotation was computed. [2020-09-21 11:15:01,042 INFO L268 CegarLoopResult]: For program point L253(lines 253 261) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 246 281) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 246 281) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 246 281) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 872 878) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 872 878) the Hoare annotation is: true [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 312 357) no Hoare annotation was computed. [2020-09-21 11:15:01,043 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 312 357) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 312 357) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L268 CegarLoopResult]: For program point L639(lines 639 659) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 659) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 625 670) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 625 670) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 625 670) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L268 CegarLoopResult]: For program point L645(lines 645 652) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 814 824) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:01,044 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 814 824) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 814 824) no Hoare annotation was computed. [2020-09-21 11:15:01,044 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,045 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 226 236) no Hoare annotation was computed. [2020-09-21 11:15:01,045 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 226 236) no Hoare annotation was computed. [2020-09-21 11:15:01,045 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-21 11:15:01,045 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 226 236) no Hoare annotation was computed. [2020-09-21 11:15:01,045 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-09-21 11:15:01,045 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 218 225) the Hoare annotation is: true [2020-09-21 11:15:01,045 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2020-09-21 11:15:01,045 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 218 225) no Hoare annotation was computed. [2020-09-21 11:15:01,045 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 203 209) no Hoare annotation was computed. [2020-09-21 11:15:01,045 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 203 209) the Hoare annotation is: true [2020-09-21 11:15:01,046 INFO L268 CegarLoopResult]: For program point L128(lines 128 134) no Hoare annotation was computed. [2020-09-21 11:15:01,046 INFO L264 CegarLoopResult]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:01,046 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-09-21 11:15:01,046 INFO L264 CegarLoopResult]: At program point L155(lines 108 157) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,046 INFO L264 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,046 INFO L268 CegarLoopResult]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2020-09-21 11:15:01,046 INFO L268 CegarLoopResult]: For program point L118(lines 118 124) no Hoare annotation was computed. [2020-09-21 11:15:01,046 INFO L268 CegarLoopResult]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2020-09-21 11:15:01,046 INFO L268 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-09-21 11:15:01,046 INFO L264 CegarLoopResult]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:01,046 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point L146(lines 146 152) no Hoare annotation was computed. [2020-09-21 11:15:01,047 INFO L264 CegarLoopResult]: At program point L146-1(lines 138 153) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point L109(lines 108 157) no Hoare annotation was computed. [2020-09-21 11:15:01,047 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point L138(lines 138 153) no Hoare annotation was computed. [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2020-09-21 11:15:01,047 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 579 624) no Hoare annotation was computed. [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point L599(lines 599 606) no Hoare annotation was computed. [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 579 624) no Hoare annotation was computed. [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point L593(lines 593 613) no Hoare annotation was computed. [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 579 624) no Hoare annotation was computed. [2020-09-21 11:15:01,047 INFO L268 CegarLoopResult]: For program point L593-1(lines 593 613) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 719 741) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point L727(lines 727 735) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 719 741) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 735) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 719 741) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 476 578) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point L541-1(line 541) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point L564(lines 564 575) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point L525-2(lines 525 545) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 476 578) no Hoare annotation was computed. [2020-09-21 11:15:01,048 INFO L268 CegarLoopResult]: For program point L546(lines 524 547) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point L505(lines 505 521) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point L565(lines 565 572) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 476 578) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point L526(lines 525 545) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point L557-1(line 557) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point L522(lines 522 563) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 862 871) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 862 871) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 862 871) no Hoare annotation was computed. [2020-09-21 11:15:01,049 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 210 217) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 210 217) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 210 217) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 742 750) the Hoare annotation is: true [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 742 750) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 742 750) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point L702-1(lines 698 709) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 698 709) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 698 709) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:15:01,050 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:01,051 INFO L271 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: true [2020-09-21 11:15:01,051 INFO L271 CegarLoopResult]: At program point L190(lines 190 196) the Hoare annotation is: true [2020-09-21 11:15:01,051 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:15:01,051 INFO L268 CegarLoopResult]: For program point L183(lines 179 201) no Hoare annotation was computed. [2020-09-21 11:15:01,051 INFO L268 CegarLoopResult]: For program point L181(lines 179 201) no Hoare annotation was computed. [2020-09-21 11:15:01,051 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 176 202) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,051 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 176 202) no Hoare annotation was computed. [2020-09-21 11:15:01,051 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 176 202) no Hoare annotation was computed. [2020-09-21 11:15:01,051 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2020-09-21 11:15:01,051 INFO L268 CegarLoopResult]: For program point L767(lines 767 771) no Hoare annotation was computed. [2020-09-21 11:15:01,052 INFO L271 CegarLoopResult]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2020-09-21 11:15:01,052 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2020-09-21 11:15:01,052 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-09-21 11:15:01,052 INFO L271 CegarLoopResult]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2020-09-21 11:15:01,052 INFO L271 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: true [2020-09-21 11:15:01,052 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-09-21 11:15:01,052 INFO L271 CegarLoopResult]: At program point L778(lines 753 782) the Hoare annotation is: true [2020-09-21 11:15:01,052 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-09-21 11:15:01,052 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 710 718) no Hoare annotation was computed. [2020-09-21 11:15:01,053 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 710 718) no Hoare annotation was computed. [2020-09-21 11:15:01,053 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 710 718) no Hoare annotation was computed. [2020-09-21 11:15:01,053 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 674 685) the Hoare annotation is: true [2020-09-21 11:15:01,053 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 674 685) no Hoare annotation was computed. [2020-09-21 11:15:01,053 INFO L268 CegarLoopResult]: For program point L678-1(lines 674 685) no Hoare annotation was computed. [2020-09-21 11:15:01,053 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2020-09-21 11:15:01,053 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2020-09-21 11:15:01,053 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:01,053 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:15:01,053 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:15:01,053 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:01,053 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 297 304) no Hoare annotation was computed. [2020-09-21 11:15:01,054 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 297 304) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,054 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 297 304) no Hoare annotation was computed. [2020-09-21 11:15:01,054 INFO L268 CegarLoopResult]: For program point L690-1(lines 686 697) no Hoare annotation was computed. [2020-09-21 11:15:01,054 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 686 697) no Hoare annotation was computed. [2020-09-21 11:15:01,054 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 686 697) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:01,054 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 852 859) no Hoare annotation was computed. [2020-09-21 11:15:01,054 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 856) no Hoare annotation was computed. [2020-09-21 11:15:01,055 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 852 859) the Hoare annotation is: true [2020-09-21 11:15:01,055 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 852 859) no Hoare annotation was computed. [2020-09-21 11:15:01,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:15:01 BoogieIcfgContainer [2020-09-21 11:15:01,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:15:01,074 INFO L168 Benchmark]: Toolchain (without parser) took 27009.13 ms. Allocated memory was 137.9 MB in the beginning and 544.7 MB in the end (delta: 406.8 MB). Free memory was 99.1 MB in the beginning and 385.9 MB in the end (delta: -286.8 MB). Peak memory consumption was 384.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:01,075 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 137.9 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:15:01,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.73 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 98.4 MB in the beginning and 170.7 MB in the end (delta: -72.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:01,076 INFO L168 Benchmark]: Boogie Preprocessor took 101.69 ms. Allocated memory is still 201.9 MB. Free memory was 170.7 MB in the beginning and 166.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:01,077 INFO L168 Benchmark]: RCFGBuilder took 1169.40 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 166.5 MB in the beginning and 200.3 MB in the end (delta: -33.7 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:01,078 INFO L168 Benchmark]: TraceAbstraction took 25031.67 ms. Allocated memory was 232.3 MB in the beginning and 544.7 MB in the end (delta: 312.5 MB). Free memory was 200.3 MB in the beginning and 385.9 MB in the end (delta: -185.6 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:01,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 137.9 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.73 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 98.4 MB in the beginning and 170.7 MB in the end (delta: -72.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.69 ms. Allocated memory is still 201.9 MB. Free memory was 170.7 MB in the beginning and 166.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1169.40 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 166.5 MB in the beginning and 200.3 MB in the end (delta: -33.7 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25031.67 ms. Allocated memory was 232.3 MB in the beginning and 544.7 MB in the end (delta: 312.5 MB). Free memory was 200.3 MB in the beginning and 385.9 MB in the end (delta: -185.6 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 856]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 370 SDtfs, 412 SDslu, 259 SDs, 0 SdLazy, 807 SolverSat, 288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 105 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 194 PreInvPairs, 226 NumberOfFragments, 616 HoareAnnotationTreeSize, 194 FomulaSimplifications, 18040 FormulaSimplificationTreeSizeReduction, 9.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 6786 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 71334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...