/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 16:07:53,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 16:07:53,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 16:07:53,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 16:07:53,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 16:07:53,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 16:07:53,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 16:07:53,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 16:07:53,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 16:07:53,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 16:07:53,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 16:07:53,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 16:07:53,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 16:07:53,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 16:07:53,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 16:07:53,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 16:07:53,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 16:07:53,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 16:07:53,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 16:07:53,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 16:07:53,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 16:07:53,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 16:07:53,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 16:07:53,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 16:07:53,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 16:07:53,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 16:07:53,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 16:07:53,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 16:07:53,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 16:07:53,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 16:07:53,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 16:07:53,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 16:07:53,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 16:07:53,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 16:07:53,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 16:07:53,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 16:07:53,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 16:07:53,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 16:07:53,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 16:07:53,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 16:07:53,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 16:07:53,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 16:07:53,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 16:07:53,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 16:07:53,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 16:07:53,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 16:07:53,523 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 16:07:53,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 16:07:53,523 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 16:07:53,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 16:07:53,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 16:07:53,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 16:07:53,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 16:07:53,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 16:07:53,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 16:07:53,525 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 16:07:53,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 16:07:53,525 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 16:07:53,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 16:07:53,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 16:07:53,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 16:07:53,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 16:07:53,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 16:07:53,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:07:53,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 16:07:53,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 16:07:53,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 16:07:53,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 16:07:53,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 16:07:53,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 16:07:53,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 16:07:53,528 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 [2020-08-18 16:07:53,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 16:07:53,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 16:07:53,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 16:07:53,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 16:07:53,842 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 16:07:53,843 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-08-18 16:07:53,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6dacfd7d5/11a9439971194b7c9f97cc7d927e312a/FLAGf945cf9cc [2020-08-18 16:07:54,427 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 16:07:54,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-08-18 16:07:54,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6dacfd7d5/11a9439971194b7c9f97cc7d927e312a/FLAGf945cf9cc [2020-08-18 16:07:54,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6dacfd7d5/11a9439971194b7c9f97cc7d927e312a [2020-08-18 16:07:54,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 16:07:54,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 16:07:54,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 16:07:54,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 16:07:54,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 16:07:54,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:07:54" (1/1) ... [2020-08-18 16:07:54,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2839cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:54, skipping insertion in model container [2020-08-18 16:07:54,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:07:54" (1/1) ... [2020-08-18 16:07:54,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 16:07:54,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 16:07:55,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:07:55,202 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 16:07:55,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:07:55,426 INFO L208 MainTranslator]: Completed translation [2020-08-18 16:07:55,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55 WrapperNode [2020-08-18 16:07:55,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 16:07:55,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 16:07:55,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 16:07:55,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 16:07:55,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55" (1/1) ... [2020-08-18 16:07:55,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55" (1/1) ... [2020-08-18 16:07:55,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55" (1/1) ... [2020-08-18 16:07:55,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55" (1/1) ... [2020-08-18 16:07:55,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55" (1/1) ... [2020-08-18 16:07:55,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55" (1/1) ... [2020-08-18 16:07:55,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55" (1/1) ... [2020-08-18 16:07:55,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 16:07:55,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 16:07:55,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 16:07:55,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 16:07:55,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55" (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 [2020-08-18 16:07:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 16:07:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 16:07:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 16:07:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 16:07:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 16:07:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 16:07:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 16:07:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 16:07:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 16:07:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 16:07:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 16:07:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 16:07:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 16:07:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 16:07:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 16:07:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 16:07:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 16:07:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 16:07:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 16:07:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 16:07:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 16:07:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 16:07:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 16:07:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 16:07:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 16:07:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 16:07:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 16:07:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 16:07:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 16:07:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 16:07:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 16:07:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 16:07:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 16:07:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 16:07:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 16:07:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 16:07:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 16:07:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 16:07:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 16:07:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 16:07:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 16:07:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 16:07:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 16:07:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 16:07:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 16:07:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 16:07:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 16:07:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 16:07:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 16:07:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 16:07:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 16:07:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 16:07:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 16:07:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 16:07:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 16:07:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 16:07:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 16:07:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 16:07:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 16:07:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 16:07:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 16:07:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 16:07:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 16:07:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 16:07:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 16:07:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 16:07:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 16:07:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 16:07:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 16:07:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 16:07:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 16:07:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 16:07:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 16:07:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 16:07:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 16:07:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 16:07:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 16:07:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 16:07:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 16:07:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 16:07:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 16:07:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 16:07:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 16:07:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 16:07:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 16:07:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 16:07:56,711 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 16:07:56,712 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 16:07:56,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:07:56 BoogieIcfgContainer [2020-08-18 16:07:56,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 16:07:56,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 16:07:56,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 16:07:56,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 16:07:56,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:07:54" (1/3) ... [2020-08-18 16:07:56,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74369270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:07:56, skipping insertion in model container [2020-08-18 16:07:56,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:07:55" (2/3) ... [2020-08-18 16:07:56,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74369270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:07:56, skipping insertion in model container [2020-08-18 16:07:56,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:07:56" (3/3) ... [2020-08-18 16:07:56,728 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2020-08-18 16:07:56,740 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 16:07:56,749 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 16:07:56,765 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 16:07:56,791 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 16:07:56,791 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 16:07:56,792 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 16:07:56,792 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 16:07:56,792 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 16:07:56,792 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 16:07:56,793 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 16:07:56,793 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 16:07:56,817 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-08-18 16:07:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 16:07:56,828 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:07:56,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:07:56,829 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:07:56,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:07:56,836 INFO L82 PathProgramCache]: Analyzing trace with hash -32218829, now seen corresponding path program 1 times [2020-08-18 16:07:56,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:07:56,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698984529] [2020-08-18 16:07:56,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:07:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:57,550 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:07:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:07:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:57,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:07:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:57,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:07:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:57,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:07:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:57,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:07:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:57,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 16:07:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:57,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:07:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:07:57,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698984529] [2020-08-18 16:07:57,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:07:57,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 16:07:57,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787833271] [2020-08-18 16:07:57,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 16:07:57,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:07:57,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 16:07:57,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:07:57,685 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-08-18 16:07:58,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:07:58,666 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2020-08-18 16:07:58,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 16:07:58,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 16:07:58,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:07:58,684 INFO L225 Difference]: With dead ends: 243 [2020-08-18 16:07:58,684 INFO L226 Difference]: Without dead ends: 132 [2020-08-18 16:07:58,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:07:58,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-18 16:07:58,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2020-08-18 16:07:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-18 16:07:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-08-18 16:07:58,783 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2020-08-18 16:07:58,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:07:58,783 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-08-18 16:07:58,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 16:07:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-08-18 16:07:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 16:07:58,787 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:07:58,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:07:58,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 16:07:58,788 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:07:58,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:07:58,789 INFO L82 PathProgramCache]: Analyzing trace with hash -83452995, now seen corresponding path program 1 times [2020-08-18 16:07:58,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:07:58,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917747075] [2020-08-18 16:07:58,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:07:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:59,142 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:07:59,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:07:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:59,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:07:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:59,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:07:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:59,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:07:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:59,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:07:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:59,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:07:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:59,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:07:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:07:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:07:59,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917747075] [2020-08-18 16:07:59,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:07:59,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 16:07:59,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599464980] [2020-08-18 16:07:59,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 16:07:59,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:07:59,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 16:07:59,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 16:07:59,200 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 4 states. [2020-08-18 16:07:59,613 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:08:00,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:00,169 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2020-08-18 16:08:00,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 16:08:00,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 16:08:00,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:00,172 INFO L225 Difference]: With dead ends: 176 [2020-08-18 16:08:00,172 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 16:08:00,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 16:08:00,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 16:08:00,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 16:08:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 16:08:00,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2020-08-18 16:08:00,228 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2020-08-18 16:08:00,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:00,228 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2020-08-18 16:08:00,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 16:08:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2020-08-18 16:08:00,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 16:08:00,239 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:00,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:08:00,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 16:08:00,240 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:00,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:00,241 INFO L82 PathProgramCache]: Analyzing trace with hash 474814694, now seen corresponding path program 1 times [2020-08-18 16:08:00,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:00,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089803910] [2020-08-18 16:08:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:00,594 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:00,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:00,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:00,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:00,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:00,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 16:08:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 16:08:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:08:00,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089803910] [2020-08-18 16:08:00,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:08:00,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:08:00,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223461293] [2020-08-18 16:08:00,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:08:00,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:00,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:08:00,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:08:00,725 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 8 states. [2020-08-18 16:08:01,062 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:01,383 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:01,637 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:01,878 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:02,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:02,794 INFO L93 Difference]: Finished difference Result 185 states and 226 transitions. [2020-08-18 16:08:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 16:08:02,795 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 16:08:02,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:02,797 INFO L225 Difference]: With dead ends: 185 [2020-08-18 16:08:02,797 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 16:08:02,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 16:08:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 16:08:02,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 16:08:02,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 16:08:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2020-08-18 16:08:02,825 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2020-08-18 16:08:02,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:02,825 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2020-08-18 16:08:02,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:08:02,825 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2020-08-18 16:08:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 16:08:02,826 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:02,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:08:02,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 16:08:02,827 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:02,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:02,827 INFO L82 PathProgramCache]: Analyzing trace with hash -634354162, now seen corresponding path program 1 times [2020-08-18 16:08:02,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:02,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167625093] [2020-08-18 16:08:02,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,192 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:03,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 16:08:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:08:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 16:08:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 16:08:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:08:03,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167625093] [2020-08-18 16:08:03,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:08:03,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 16:08:03,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155673159] [2020-08-18 16:08:03,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 16:08:03,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:03,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 16:08:03,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 16:08:03,311 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 12 states. [2020-08-18 16:08:03,702 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:04,015 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:04,268 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:04,506 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:05,060 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:08:05,722 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:06,059 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:08:06,342 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:08:06,588 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:06,872 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 16:08:07,226 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:08:07,511 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:08:07,777 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:08,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:08,720 INFO L93 Difference]: Finished difference Result 352 states and 470 transitions. [2020-08-18 16:08:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 16:08:08,721 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-08-18 16:08:08,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:08,730 INFO L225 Difference]: With dead ends: 352 [2020-08-18 16:08:08,730 INFO L226 Difference]: Without dead ends: 283 [2020-08-18 16:08:08,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 16:08:08,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-08-18 16:08:08,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2020-08-18 16:08:08,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-08-18 16:08:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2020-08-18 16:08:08,792 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 59 [2020-08-18 16:08:08,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:08,793 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2020-08-18 16:08:08,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 16:08:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2020-08-18 16:08:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 16:08:08,795 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:08,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:08:08,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 16:08:08,795 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:08,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:08,796 INFO L82 PathProgramCache]: Analyzing trace with hash 234743316, now seen corresponding path program 1 times [2020-08-18 16:08:08,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:08,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1769869553] [2020-08-18 16:08:08,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,057 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:09,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 16:08:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:08:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:08:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 16:08:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 16:08:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:08:09,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1769869553] [2020-08-18 16:08:09,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:08:09,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 16:08:09,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984579685] [2020-08-18 16:08:09,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 16:08:09,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:09,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 16:08:09,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 16:08:09,229 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand 6 states. [2020-08-18 16:08:09,540 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:10,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:10,021 INFO L93 Difference]: Finished difference Result 357 states and 437 transitions. [2020-08-18 16:08:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 16:08:10,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-08-18 16:08:10,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:10,024 INFO L225 Difference]: With dead ends: 357 [2020-08-18 16:08:10,024 INFO L226 Difference]: Without dead ends: 163 [2020-08-18 16:08:10,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 16:08:10,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-08-18 16:08:10,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-08-18 16:08:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-08-18 16:08:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-08-18 16:08:10,062 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 63 [2020-08-18 16:08:10,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:10,063 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-08-18 16:08:10,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 16:08:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-08-18 16:08:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-18 16:08:10,064 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:10,065 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:08:10,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 16:08:10,065 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:10,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:10,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1969970811, now seen corresponding path program 1 times [2020-08-18 16:08:10,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:10,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388067786] [2020-08-18 16:08:10,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,375 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:10,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 16:08:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 16:08:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:08:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:08:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 16:08:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 16:08:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 16:08:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 16:08:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:08:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-18 16:08:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-18 16:08:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 16:08:10,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388067786] [2020-08-18 16:08:10,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 16:08:10,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 16:08:10,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388820539] [2020-08-18 16:08:10,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 16:08:10,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:10,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 16:08:10,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 16:08:10,513 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 10 states. [2020-08-18 16:08:11,162 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 16:08:11,746 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:12,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:12,270 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-08-18 16:08:12,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 16:08:12,271 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-08-18 16:08:12,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:12,272 INFO L225 Difference]: With dead ends: 203 [2020-08-18 16:08:12,272 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 16:08:12,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 16:08:12,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 16:08:12,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 16:08:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 16:08:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 16:08:12,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-18 16:08:12,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:12,275 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 16:08:12,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 16:08:12,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 16:08:12,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 16:08:12,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 16:08:12,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 16:08:12,705 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 25 [2020-08-18 16:08:14,907 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 16:08:15,269 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 16:08:15,735 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 16:08:15,881 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 16:08:16,135 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:16,726 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-18 16:08:16,876 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 16:08:17,590 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 16:08:18,301 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 16:08:18,779 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 16:08:19,156 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 16:08:19,518 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 16:08:20,101 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-18 16:08:20,273 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 16:08:20,710 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 16:08:20,857 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 16:08:21,218 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 16:08:21,597 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 16:08:22,031 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 16:08:22,654 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 16:08:22,708 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-08-18 16:08:22,708 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-08-18 16:08:22,708 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-18 16:08:22,708 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-18 16:08:22,708 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 16:08:22,709 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-08-18 16:08:22,709 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-08-18 16:08:22,709 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-08-18 16:08:22,709 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-08-18 16:08:22,709 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-18 16:08:22,709 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-08-18 16:08:22,709 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-08-18 16:08:22,709 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-08-18 16:08:22,709 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-08-18 16:08:22,710 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-08-18 16:08:22,710 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-08-18 16:08:22,710 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-18 16:08:22,710 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-08-18 16:08:22,710 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2020-08-18 16:08:22,710 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2020-08-18 16:08:22,711 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2020-08-18 16:08:22,711 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 872 880) the Hoare annotation is: true [2020-08-18 16:08:22,711 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 872 880) no Hoare annotation was computed. [2020-08-18 16:08:22,711 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 16:08:22,711 INFO L268 CegarLoopResult]: For program point L512-1(line 512) no Hoare annotation was computed. [2020-08-18 16:08:22,711 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 502 526) the Hoare annotation is: true [2020-08-18 16:08:22,712 INFO L268 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-08-18 16:08:22,712 INFO L268 CegarLoopResult]: For program point L510-1(lines 502 526) no Hoare annotation was computed. [2020-08-18 16:08:22,712 INFO L271 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: true [2020-08-18 16:08:22,712 INFO L268 CegarLoopResult]: For program point L508-1(line 508) no Hoare annotation was computed. [2020-08-18 16:08:22,712 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 502 526) no Hoare annotation was computed. [2020-08-18 16:08:22,712 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 16:08:22,712 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-08-18 16:08:22,712 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 606 628) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:08:22,713 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 606 628) no Hoare annotation was computed. [2020-08-18 16:08:22,713 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 606 628) no Hoare annotation was computed. [2020-08-18 16:08:22,713 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:22,713 INFO L264 CegarLoopResult]: At program point L618-1(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:22,713 INFO L268 CegarLoopResult]: For program point L616(lines 616 623) no Hoare annotation was computed. [2020-08-18 16:08:22,713 INFO L268 CegarLoopResult]: For program point L616-1(lines 616 623) no Hoare annotation was computed. [2020-08-18 16:08:22,713 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-08-18 16:08:22,714 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:08:22,714 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:08:22,714 INFO L264 CegarLoopResult]: At program point L612-1(line 612) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:08:22,714 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 16:08:22,714 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-18 16:08:22,715 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 561 584) no Hoare annotation was computed. [2020-08-18 16:08:22,715 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-18 16:08:22,715 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 16:08:22,715 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-08-18 16:08:22,715 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 561 584) no Hoare annotation was computed. [2020-08-18 16:08:22,715 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 16:08:22,715 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 561 584) no Hoare annotation was computed. [2020-08-18 16:08:22,715 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-18 16:08:22,716 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-08-18 16:08:22,716 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 16:08:22,716 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-18 16:08:22,716 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-08-18 16:08:22,716 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 16:08:22,716 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-18 16:08:22,716 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 16:08:22,716 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 659 665) no Hoare annotation was computed. [2020-08-18 16:08:22,716 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 659 665) the Hoare annotation is: true [2020-08-18 16:08:22,717 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 692 699) no Hoare annotation was computed. [2020-08-18 16:08:22,717 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 692 699) no Hoare annotation was computed. [2020-08-18 16:08:22,717 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 692 699) no Hoare annotation was computed. [2020-08-18 16:08:22,717 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2020-08-18 16:08:22,717 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2020-08-18 16:08:22,717 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 736 744) no Hoare annotation was computed. [2020-08-18 16:08:22,717 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-08-18 16:08:22,717 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-08-18 16:08:22,717 INFO L268 CegarLoopResult]: For program point L752(lines 752 760) no Hoare annotation was computed. [2020-08-18 16:08:22,717 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 745 780) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point L752-2(lines 752 760) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 745 780) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 745 780) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-08-18 16:08:22,718 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-08-18 16:08:22,719 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-08-18 16:08:22,719 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-08-18 16:08:22,719 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-08-18 16:08:22,719 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-08-18 16:08:22,719 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 593 602) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:08:22,719 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 593 602) no Hoare annotation was computed. [2020-08-18 16:08:22,719 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 593 602) no Hoare annotation was computed. [2020-08-18 16:08:22,719 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 725 735) the Hoare annotation is: true [2020-08-18 16:08:22,719 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2020-08-18 16:08:22,719 INFO L271 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: true [2020-08-18 16:08:22,720 INFO L268 CegarLoopResult]: For program point L730-1(line 730) no Hoare annotation was computed. [2020-08-18 16:08:22,720 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 725 735) no Hoare annotation was computed. [2020-08-18 16:08:22,720 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 717 724) the Hoare annotation is: true [2020-08-18 16:08:22,720 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2020-08-18 16:08:22,720 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 717 724) no Hoare annotation was computed. [2020-08-18 16:08:22,720 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 16:08:22,720 INFO L268 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-08-18 16:08:22,720 INFO L268 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-08-18 16:08:22,721 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 667 691) no Hoare annotation was computed. [2020-08-18 16:08:22,721 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 667 691) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 16:08:22,721 INFO L264 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 16:08:22,721 INFO L268 CegarLoopResult]: For program point L686-1(lines 667 691) no Hoare annotation was computed. [2020-08-18 16:08:22,721 INFO L264 CegarLoopResult]: At program point L681(line 681) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 16:08:22,721 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 16:08:22,721 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-08-18 16:08:22,721 INFO L264 CegarLoopResult]: At program point testENTRY(lines 782 845) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:08:22,722 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-08-18 16:08:22,722 INFO L264 CegarLoopResult]: At program point L828-2(lines 822 833) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:22,722 INFO L268 CegarLoopResult]: For program point L793(lines 792 837) no Hoare annotation was computed. [2020-08-18 16:08:22,722 INFO L268 CegarLoopResult]: For program point testFINAL(lines 782 845) no Hoare annotation was computed. [2020-08-18 16:08:22,722 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-08-18 16:08:22,722 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:22,722 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-08-18 16:08:22,722 INFO L268 CegarLoopResult]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2020-08-18 16:08:22,723 INFO L264 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:22,723 INFO L264 CegarLoopResult]: At program point L835(lines 792 837) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:22,723 INFO L268 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-08-18 16:08:22,723 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2020-08-18 16:08:22,723 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-08-18 16:08:22,723 INFO L264 CegarLoopResult]: At program point L838(lines 791 839) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:22,723 INFO L268 CegarLoopResult]: For program point testEXIT(lines 782 845) no Hoare annotation was computed. [2020-08-18 16:08:22,723 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-08-18 16:08:22,723 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-08-18 16:08:22,723 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-08-18 16:08:22,723 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-08-18 16:08:22,724 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 848 857) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 848 857) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 848 857) no Hoare annotation was computed. [2020-08-18 16:08:22,725 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:08:22,726 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-18 16:08:22,726 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:08:22,726 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-08-18 16:08:22,726 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-08-18 16:08:22,726 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 700 716) no Hoare annotation was computed. [2020-08-18 16:08:22,726 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 700 716) no Hoare annotation was computed. [2020-08-18 16:08:22,726 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-08-18 16:08:22,726 INFO L268 CegarLoopResult]: For program point L711-1(lines 700 716) no Hoare annotation was computed. [2020-08-18 16:08:22,726 INFO L268 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2020-08-18 16:08:22,726 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-18 16:08:22,726 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-18 16:08:22,727 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-18 16:08:22,727 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 16:08:22,727 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-18 16:08:22,727 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-18 16:08:22,727 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:08:22,727 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 16:08:22,727 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:08:22,727 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-18 16:08:22,727 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-18 16:08:22,727 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-18 16:08:22,727 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 16:08:22,727 INFO L268 CegarLoopResult]: For program point L639(lines 638 657) no Hoare annotation was computed. [2020-08-18 16:08:22,728 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 635 658) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 16:08:22,728 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 635 658) no Hoare annotation was computed. [2020-08-18 16:08:22,728 INFO L264 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 16:08:22,728 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 635 658) no Hoare annotation was computed. [2020-08-18 16:08:22,728 INFO L264 CegarLoopResult]: At program point L646(lines 646 652) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 16:08:22,728 INFO L268 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2020-08-18 16:08:22,728 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 530 559) no Hoare annotation was computed. [2020-08-18 16:08:22,729 INFO L271 CegarLoopResult]: At program point L544-1(lines 544 548) the Hoare annotation is: true [2020-08-18 16:08:22,729 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 16:08:22,729 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 530 559) the Hoare annotation is: true [2020-08-18 16:08:22,729 INFO L271 CegarLoopResult]: At program point L540-2(lines 540 554) the Hoare annotation is: true [2020-08-18 16:08:22,729 INFO L271 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: true [2020-08-18 16:08:22,729 INFO L268 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-08-18 16:08:22,729 INFO L271 CegarLoopResult]: At program point L555(lines 530 559) the Hoare annotation is: true [2020-08-18 16:08:22,729 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 16:08:22,729 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-18 16:08:22,729 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-18 16:08:22,729 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-18 16:08:22,729 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 585 591) no Hoare annotation was computed. [2020-08-18 16:08:22,730 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 585 591) the Hoare annotation is: true [2020-08-18 16:08:22,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:08:22,730 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 16:08:22,730 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 16:08:22,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:08:22,730 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-18 16:08:22,730 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-18 16:08:22,730 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 16:08:22,730 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2020-08-18 16:08:22,730 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-08-18 16:08:22,731 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2020-08-18 16:08:22,731 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2020-08-18 16:08:22,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:08:22 BoogieIcfgContainer [2020-08-18 16:08:22,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 16:08:22,750 INFO L168 Benchmark]: Toolchain (without parser) took 27977.48 ms. Allocated memory was 139.5 MB in the beginning and 668.5 MB in the end (delta: 529.0 MB). Free memory was 100.4 MB in the beginning and 296.7 MB in the end (delta: -196.3 MB). Peak memory consumption was 520.9 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:22,750 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 16:08:22,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.00 ms. Allocated memory was 139.5 MB in the beginning and 224.9 MB in the end (delta: 85.5 MB). Free memory was 100.2 MB in the beginning and 202.2 MB in the end (delta: -102.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:22,752 INFO L168 Benchmark]: Boogie Preprocessor took 95.82 ms. Allocated memory is still 224.9 MB. Free memory was 202.2 MB in the beginning and 198.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:22,753 INFO L168 Benchmark]: RCFGBuilder took 1193.88 ms. Allocated memory is still 224.9 MB. Free memory was 197.4 MB in the beginning and 113.5 MB in the end (delta: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:22,753 INFO L168 Benchmark]: TraceAbstraction took 26028.41 ms. Allocated memory was 224.9 MB in the beginning and 668.5 MB in the end (delta: 443.5 MB). Free memory was 112.7 MB in the beginning and 296.7 MB in the end (delta: -184.1 MB). Peak memory consumption was 447.6 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:22,757 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.00 ms. Allocated memory was 139.5 MB in the beginning and 224.9 MB in the end (delta: 85.5 MB). Free memory was 100.2 MB in the beginning and 202.2 MB in the end (delta: -102.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.82 ms. Allocated memory is still 224.9 MB. Free memory was 202.2 MB in the beginning and 198.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1193.88 ms. Allocated memory is still 224.9 MB. Free memory was 197.4 MB in the beginning and 113.5 MB in the end (delta: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26028.41 ms. Allocated memory was 224.9 MB in the beginning and 668.5 MB in the end (delta: 443.5 MB). Free memory was 112.7 MB in the beginning and 296.7 MB in the end (delta: -184.1 MB). Peak memory consumption was 447.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 488 SDtfs, 989 SDslu, 341 SDs, 0 SdLazy, 2114 SolverSat, 643 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=4, 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, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 41842 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8834 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 358 ConstructedInterpolants, 0 QuantifiedInterpolants, 109608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 24/31 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...