/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 15:13:26,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 15:13:26,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 15:13:26,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 15:13:26,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 15:13:26,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 15:13:26,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 15:13:26,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 15:13:26,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 15:13:26,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 15:13:26,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 15:13:26,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 15:13:26,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 15:13:26,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 15:13:26,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 15:13:26,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 15:13:26,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 15:13:26,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 15:13:26,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 15:13:26,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 15:13:26,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 15:13:26,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 15:13:26,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 15:13:26,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 15:13:26,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 15:13:26,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 15:13:26,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 15:13:26,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 15:13:26,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 15:13:26,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 15:13:26,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 15:13:26,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 15:13:26,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 15:13:26,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 15:13:26,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 15:13:26,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 15:13:26,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 15:13:26,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 15:13:26,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 15:13:26,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 15:13:26,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 15:13:26,400 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 15:13:26,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 15:13:26,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 15:13:26,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 15:13:26,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 15:13:26,426 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 15:13:26,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 15:13:26,426 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 15:13:26,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 15:13:26,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 15:13:26,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 15:13:26,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 15:13:26,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 15:13:26,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 15:13:26,428 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 15:13:26,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 15:13:26,428 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 15:13:26,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 15:13:26,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 15:13:26,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 15:13:26,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 15:13:26,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 15:13:26,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:13:26,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 15:13:26,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 15:13:26,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 15:13:26,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 15:13:26,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 15:13:26,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 15:13:26,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 15:13:26,431 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 -> false [2020-08-18 15:13:26,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 15:13:26,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 15:13:26,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 15:13:26,776 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 15:13:26,776 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 15:13:26,777 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-08-18 15:13:26,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68fb03f62/9dee2432eb9347a4ba69489f6f053557/FLAGf779212c1 [2020-08-18 15:13:27,364 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 15:13:27,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-08-18 15:13:27,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68fb03f62/9dee2432eb9347a4ba69489f6f053557/FLAGf779212c1 [2020-08-18 15:13:27,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68fb03f62/9dee2432eb9347a4ba69489f6f053557 [2020-08-18 15:13:27,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 15:13:27,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 15:13:27,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 15:13:27,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 15:13:27,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 15:13:27,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:13:27" (1/1) ... [2020-08-18 15:13:27,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:27, skipping insertion in model container [2020-08-18 15:13:27,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:13:27" (1/1) ... [2020-08-18 15:13:27,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 15:13:27,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 15:13:28,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:13:28,200 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 15:13:28,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:13:28,438 INFO L208 MainTranslator]: Completed translation [2020-08-18 15:13:28,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28 WrapperNode [2020-08-18 15:13:28,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 15:13:28,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 15:13:28,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 15:13:28,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 15:13:28,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28" (1/1) ... [2020-08-18 15:13:28,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28" (1/1) ... [2020-08-18 15:13:28,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28" (1/1) ... [2020-08-18 15:13:28,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28" (1/1) ... [2020-08-18 15:13:28,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28" (1/1) ... [2020-08-18 15:13:28,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28" (1/1) ... [2020-08-18 15:13:28,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28" (1/1) ... [2020-08-18 15:13:28,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 15:13:28,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 15:13:28,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 15:13:28,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 15:13:28,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28" (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 15:13:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 15:13:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 15:13:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 15:13:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 15:13:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 15:13:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 15:13:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 15:13:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 15:13:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 15:13:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 15:13:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 15:13:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 15:13:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 15:13:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 15:13:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 15:13:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 15:13:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 15:13:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 15:13:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 15:13:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 15:13:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 15:13:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 15:13:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 15:13:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 15:13:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 15:13:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 15:13:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 15:13:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 15:13:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 15:13:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 15:13:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 15:13:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 15:13:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 15:13:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 15:13:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 15:13:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 15:13:28,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 15:13:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 15:13:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 15:13:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 15:13:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 15:13:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 15:13:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 15:13:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 15:13:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 15:13:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 15:13:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 15:13:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 15:13:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 15:13:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 15:13:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 15:13:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 15:13:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 15:13:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 15:13:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 15:13:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 15:13:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 15:13:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 15:13:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 15:13:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 15:13:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 15:13:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 15:13:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 15:13:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 15:13:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 15:13:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 15:13:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 15:13:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 15:13:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 15:13:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 15:13:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 15:13:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 15:13:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 15:13:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 15:13:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 15:13:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 15:13:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 15:13:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 15:13:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 15:13:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 15:13:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 15:13:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 15:13:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 15:13:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 15:13:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 15:13:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 15:13:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 15:13:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 15:13:29,586 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 15:13:29,586 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 15:13:29,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:13:29 BoogieIcfgContainer [2020-08-18 15:13:29,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 15:13:29,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 15:13:29,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 15:13:29,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 15:13:29,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:13:27" (1/3) ... [2020-08-18 15:13:29,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ea15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:13:29, skipping insertion in model container [2020-08-18 15:13:29,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:28" (2/3) ... [2020-08-18 15:13:29,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ea15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:13:29, skipping insertion in model container [2020-08-18 15:13:29,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:13:29" (3/3) ... [2020-08-18 15:13:29,601 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-08-18 15:13:29,613 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 15:13:29,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 15:13:29,636 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 15:13:29,663 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 15:13:29,664 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 15:13:29,664 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 15:13:29,664 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 15:13:29,665 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 15:13:29,665 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 15:13:29,665 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 15:13:29,665 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 15:13:29,689 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2020-08-18 15:13:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 15:13:29,699 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:29,700 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 15:13:29,701 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:29,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:29,707 INFO L82 PathProgramCache]: Analyzing trace with hash -789542766, now seen corresponding path program 1 times [2020-08-18 15:13:29,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:29,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848605725] [2020-08-18 15:13:29,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:30,401 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:30,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:30,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:30,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:30,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:30,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:30,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 15:13:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 15:13:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:30,517 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 15:13:30,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848605725] [2020-08-18 15:13:30,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:30,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 15:13:30,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024711702] [2020-08-18 15:13:30,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 15:13:30,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:30,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 15:13:30,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 15:13:30,546 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 3 states. [2020-08-18 15:13:31,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:31,638 INFO L93 Difference]: Finished difference Result 260 states and 346 transitions. [2020-08-18 15:13:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 15:13:31,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 15:13:31,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:31,656 INFO L225 Difference]: With dead ends: 260 [2020-08-18 15:13:31,656 INFO L226 Difference]: Without dead ends: 142 [2020-08-18 15:13:31,661 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 15:13:31,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-08-18 15:13:31,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2020-08-18 15:13:31,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-08-18 15:13:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2020-08-18 15:13:31,762 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2020-08-18 15:13:31,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:31,763 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2020-08-18 15:13:31,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 15:13:31,764 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2020-08-18 15:13:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 15:13:31,769 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:31,770 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 15:13:31,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 15:13:31,771 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:31,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:31,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1383450513, now seen corresponding path program 1 times [2020-08-18 15:13:31,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:31,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666665418] [2020-08-18 15:13:31,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:32,176 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:32,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:32,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:32,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:32,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:32,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:32,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:13:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:32,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 15:13:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:32,276 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 15:13:32,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666665418] [2020-08-18 15:13:32,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:32,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 15:13:32,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813017626] [2020-08-18 15:13:32,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 15:13:32,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:32,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 15:13:32,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 15:13:32,283 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 4 states. [2020-08-18 15:13:32,745 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:13:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:33,482 INFO L93 Difference]: Finished difference Result 183 states and 225 transitions. [2020-08-18 15:13:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 15:13:33,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 15:13:33,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:33,486 INFO L225 Difference]: With dead ends: 183 [2020-08-18 15:13:33,486 INFO L226 Difference]: Without dead ends: 126 [2020-08-18 15:13:33,488 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 15:13:33,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-08-18 15:13:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 100. [2020-08-18 15:13:33,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 15:13:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-08-18 15:13:33,528 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2020-08-18 15:13:33,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:33,528 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-08-18 15:13:33,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 15:13:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-08-18 15:13:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 15:13:33,531 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:33,531 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] [2020-08-18 15:13:33,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 15:13:33,532 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:33,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:33,532 INFO L82 PathProgramCache]: Analyzing trace with hash -578474638, now seen corresponding path program 1 times [2020-08-18 15:13:33,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:33,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936372092] [2020-08-18 15:13:33,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:33,893 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:33,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:33,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:33,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:33,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:33,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:33,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 15:13:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:33,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 15:13:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:34,007 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 15:13:34,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936372092] [2020-08-18 15:13:34,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:34,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:13:34,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624495501] [2020-08-18 15:13:34,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:13:34,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:34,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:13:34,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:13:34,011 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 8 states. [2020-08-18 15:13:34,396 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:13:34,705 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:34,965 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:35,212 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:35,946 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:13:37,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:37,373 INFO L93 Difference]: Finished difference Result 351 states and 439 transitions. [2020-08-18 15:13:37,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 15:13:37,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 15:13:37,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:37,399 INFO L225 Difference]: With dead ends: 351 [2020-08-18 15:13:37,400 INFO L226 Difference]: Without dead ends: 275 [2020-08-18 15:13:37,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 15:13:37,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-08-18 15:13:37,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 214. [2020-08-18 15:13:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-18 15:13:37,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 260 transitions. [2020-08-18 15:13:37,483 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 260 transitions. Word has length 52 [2020-08-18 15:13:37,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:37,483 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 260 transitions. [2020-08-18 15:13:37,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:13:37,483 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 260 transitions. [2020-08-18 15:13:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 15:13:37,486 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:37,486 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] [2020-08-18 15:13:37,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 15:13:37,486 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:37,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:37,487 INFO L82 PathProgramCache]: Analyzing trace with hash -735622613, now seen corresponding path program 1 times [2020-08-18 15:13:37,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:37,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278403475] [2020-08-18 15:13:37,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:37,790 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:37,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:37,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:37,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:37,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:37,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:13:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:37,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 15:13:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:37,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 15:13:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:37,899 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 15:13:37,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [278403475] [2020-08-18 15:13:37,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:37,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:13:37,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84817657] [2020-08-18 15:13:37,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:13:37,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:37,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:13:37,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:13:37,902 INFO L87 Difference]: Start difference. First operand 214 states and 260 transitions. Second operand 8 states. [2020-08-18 15:13:38,239 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:13:39,248 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:39,569 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:13:39,834 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:40,100 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:40,457 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:13:41,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:41,156 INFO L93 Difference]: Finished difference Result 695 states and 919 transitions. [2020-08-18 15:13:41,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:13:41,158 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 15:13:41,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:41,168 INFO L225 Difference]: With dead ends: 695 [2020-08-18 15:13:41,171 INFO L226 Difference]: Without dead ends: 505 [2020-08-18 15:13:41,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 15:13:41,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-08-18 15:13:41,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 383. [2020-08-18 15:13:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-08-18 15:13:41,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 470 transitions. [2020-08-18 15:13:41,272 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 470 transitions. Word has length 57 [2020-08-18 15:13:41,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:41,273 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 470 transitions. [2020-08-18 15:13:41,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:13:41,273 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 470 transitions. [2020-08-18 15:13:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 15:13:41,277 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:41,277 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] [2020-08-18 15:13:41,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 15:13:41,277 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:41,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:41,278 INFO L82 PathProgramCache]: Analyzing trace with hash -952119953, now seen corresponding path program 1 times [2020-08-18 15:13:41,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:41,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [58068999] [2020-08-18 15:13:41,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,544 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:41,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 15:13:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 15:13:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 15:13:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 15:13:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:41,670 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 15:13:41,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [58068999] [2020-08-18 15:13:41,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:41,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 15:13:41,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253003822] [2020-08-18 15:13:41,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 15:13:41,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:41,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 15:13:41,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 15:13:41,672 INFO L87 Difference]: Start difference. First operand 383 states and 470 transitions. Second operand 9 states. [2020-08-18 15:13:41,992 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:13:42,925 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:43,203 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:43,466 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:43,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:43,884 INFO L93 Difference]: Finished difference Result 765 states and 1021 transitions. [2020-08-18 15:13:43,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 15:13:43,885 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 15:13:43,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:43,886 INFO L225 Difference]: With dead ends: 765 [2020-08-18 15:13:43,886 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 15:13:43,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 15:13:43,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 15:13:43,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 15:13:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 15:13:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 15:13:43,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 15:13:43,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:43,891 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 15:13:43,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 15:13:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 15:13:43,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 15:13:43,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 15:13:43,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 15:13:47,578 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:13:47,734 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:13:47,901 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 15:13:48,215 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:13:48,411 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:13:48,588 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:13:48,881 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-18 15:13:49,076 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:49,382 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:13:49,535 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 15:13:49,831 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 15:13:50,163 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 15:13:50,354 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 15:13:50,538 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 15:13:50,717 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 15:13:51,156 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 15:13:51,325 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:13:51,493 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:13:51,832 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:13:51,999 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:13:52,187 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:13:52,387 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:13:52,554 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:13:52,877 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:13:52,903 INFO L268 CegarLoopResult]: For program point L378(lines 355 379) no Hoare annotation was computed. [2020-08-18 15:13:52,903 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 331 386) no Hoare annotation was computed. [2020-08-18 15:13:52,903 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-08-18 15:13:52,903 INFO L268 CegarLoopResult]: For program point L362-1(lines 362 366) no Hoare annotation was computed. [2020-08-18 15:13:52,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 331 386) no Hoare annotation was computed. [2020-08-18 15:13:52,904 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-08-18 15:13:52,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 331 386) no Hoare annotation was computed. [2020-08-18 15:13:52,904 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 377) no Hoare annotation was computed. [2020-08-18 15:13:52,904 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-08-18 15:13:52,904 INFO L268 CegarLoopResult]: For program point L413-2(lines 413 438) no Hoare annotation was computed. [2020-08-18 15:13:52,904 INFO L268 CegarLoopResult]: For program point L439(lines 412 440) no Hoare annotation was computed. [2020-08-18 15:13:52,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 387 446) no Hoare annotation was computed. [2020-08-18 15:13:52,904 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-08-18 15:13:52,905 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-08-18 15:13:52,905 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 387 446) no Hoare annotation was computed. [2020-08-18 15:13:52,905 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 387 446) no Hoare annotation was computed. [2020-08-18 15:13:52,905 INFO L268 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-08-18 15:13:52,905 INFO L268 CegarLoopResult]: For program point L419-1(lines 419 423) no Hoare annotation was computed. [2020-08-18 15:13:52,905 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 666 672) the Hoare annotation is: true [2020-08-18 15:13:52,906 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 666 672) no Hoare annotation was computed. [2020-08-18 15:13:52,906 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 673 681) no Hoare annotation was computed. [2020-08-18 15:13:52,906 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 673 681) the Hoare annotation is: true [2020-08-18 15:13:52,906 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 673 681) no Hoare annotation was computed. [2020-08-18 15:13:52,906 INFO L264 CegarLoopResult]: At program point L770-1(line 770) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:13:52,907 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 764 786) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:13:52,907 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 764 786) no Hoare annotation was computed. [2020-08-18 15:13:52,907 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 764 786) no Hoare annotation was computed. [2020-08-18 15:13:52,907 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 15:13:52,908 INFO L264 CegarLoopResult]: At program point L776-1(line 776) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 15:13:52,908 INFO L268 CegarLoopResult]: For program point L774(lines 774 781) no Hoare annotation was computed. [2020-08-18 15:13:52,908 INFO L268 CegarLoopResult]: For program point L774-1(lines 774 781) no Hoare annotation was computed. [2020-08-18 15:13:52,908 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-08-18 15:13:52,908 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:13:52,908 INFO L264 CegarLoopResult]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:13:52,909 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-08-18 15:13:52,909 INFO L268 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-08-18 15:13:52,909 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 723 746) no Hoare annotation was computed. [2020-08-18 15:13:52,909 INFO L268 CegarLoopResult]: For program point L735(line 735) no Hoare annotation was computed. [2020-08-18 15:13:52,909 INFO L268 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-08-18 15:13:52,909 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-08-18 15:13:52,909 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 723 746) no Hoare annotation was computed. [2020-08-18 15:13:52,909 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-08-18 15:13:52,910 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 723 746) no Hoare annotation was computed. [2020-08-18 15:13:52,910 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-08-18 15:13:52,910 INFO L268 CegarLoopResult]: For program point L730(line 730) no Hoare annotation was computed. [2020-08-18 15:13:52,910 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-08-18 15:13:52,910 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-08-18 15:13:52,910 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-08-18 15:13:52,910 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-08-18 15:13:52,910 INFO L268 CegarLoopResult]: For program point L739(line 739) no Hoare annotation was computed. [2020-08-18 15:13:52,910 INFO L268 CegarLoopResult]: For program point L738(line 738) no Hoare annotation was computed. [2020-08-18 15:13:52,911 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 255 269) no Hoare annotation was computed. [2020-08-18 15:13:52,911 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 255 269) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 15:13:52,911 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 15:13:52,911 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 255 269) no Hoare annotation was computed. [2020-08-18 15:13:52,911 INFO L268 CegarLoopResult]: For program point L259(lines 259 265) no Hoare annotation was computed. [2020-08-18 15:13:52,911 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 210 218) no Hoare annotation was computed. [2020-08-18 15:13:52,911 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 210 218) the Hoare annotation is: true [2020-08-18 15:13:52,911 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 210 218) no Hoare annotation was computed. [2020-08-18 15:13:52,911 INFO L268 CegarLoopResult]: For program point L226-2(lines 226 234) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 219 254) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 219 254) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 219 254) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 659 665) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 659 665) the Hoare annotation is: true [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 285 330) no Hoare annotation was computed. [2020-08-18 15:13:52,912 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 285 330) no Hoare annotation was computed. [2020-08-18 15:13:52,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 285 330) no Hoare annotation was computed. [2020-08-18 15:13:52,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 598 643) no Hoare annotation was computed. [2020-08-18 15:13:52,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 598 643) no Hoare annotation was computed. [2020-08-18 15:13:52,913 INFO L268 CegarLoopResult]: For program point L618(lines 618 625) no Hoare annotation was computed. [2020-08-18 15:13:52,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 598 643) no Hoare annotation was computed. [2020-08-18 15:13:52,913 INFO L268 CegarLoopResult]: For program point L612(lines 612 632) no Hoare annotation was computed. [2020-08-18 15:13:52,913 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 632) no Hoare annotation was computed. [2020-08-18 15:13:52,913 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 754 763) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:13:52,913 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 754 763) no Hoare annotation was computed. [2020-08-18 15:13:52,914 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 754 763) no Hoare annotation was computed. [2020-08-18 15:13:52,914 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 199 209) the Hoare annotation is: true [2020-08-18 15:13:52,914 INFO L271 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: true [2020-08-18 15:13:52,914 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-08-18 15:13:52,914 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 199 209) no Hoare annotation was computed. [2020-08-18 15:13:52,914 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 199 209) no Hoare annotation was computed. [2020-08-18 15:13:52,914 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 191 198) the Hoare annotation is: true [2020-08-18 15:13:52,914 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 191 198) no Hoare annotation was computed. [2020-08-18 15:13:52,915 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 191 198) no Hoare annotation was computed. [2020-08-18 15:13:52,915 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 158 182) no Hoare annotation was computed. [2020-08-18 15:13:52,915 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 158 182) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:13:52,915 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:13:52,915 INFO L268 CegarLoopResult]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2020-08-18 15:13:52,915 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:13:52,915 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:13:52,915 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-08-18 15:13:52,916 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:13:52,916 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-08-18 15:13:52,916 INFO L268 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-08-18 15:13:52,916 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2020-08-18 15:13:52,916 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2020-08-18 15:13:52,916 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2020-08-18 15:13:52,916 INFO L264 CegarLoopResult]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:13:52,916 INFO L268 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-08-18 15:13:52,917 INFO L268 CegarLoopResult]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2020-08-18 15:13:52,917 INFO L264 CegarLoopResult]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:13:52,917 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:13:52,917 INFO L268 CegarLoopResult]: For program point L94(lines 94 100) no Hoare annotation was computed. [2020-08-18 15:13:52,917 INFO L264 CegarLoopResult]: At program point L94-1(lines 86 101) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:13:52,917 INFO L268 CegarLoopResult]: For program point L57(lines 56 105) no Hoare annotation was computed. [2020-08-18 15:13:52,918 INFO L264 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:13:52,918 INFO L268 CegarLoopResult]: For program point L86(lines 86 101) no Hoare annotation was computed. [2020-08-18 15:13:52,918 INFO L264 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:13:52,918 INFO L268 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-08-18 15:13:52,918 INFO L268 CegarLoopResult]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2020-08-18 15:13:52,918 INFO L264 CegarLoopResult]: At program point L103(lines 56 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:13:52,918 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point L572(lines 572 579) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 552 597) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point L566(lines 566 586) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 586) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 552 597) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 552 597) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 862 884) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 862 884) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 862 884) no Hoare annotation was computed. [2020-08-18 15:13:52,919 INFO L268 CegarLoopResult]: For program point L870-2(lines 870 878) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 449 551) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L537(lines 537 548) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 518) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L519(lines 497 520) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 449 551) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L478(lines 478 494) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L499(lines 498 518) no Hoare annotation was computed. [2020-08-18 15:13:52,920 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 15:13:52,921 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 449 551) no Hoare annotation was computed. [2020-08-18 15:13:52,921 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-08-18 15:13:52,921 INFO L268 CegarLoopResult]: For program point L495(lines 495 536) no Hoare annotation was computed. [2020-08-18 15:13:52,921 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-18 15:13:52,921 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 649 658) no Hoare annotation was computed. [2020-08-18 15:13:52,921 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 649 658) no Hoare annotation was computed. [2020-08-18 15:13:52,921 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 649 658) no Hoare annotation was computed. [2020-08-18 15:13:52,921 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:13:52,922 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 15:13:52,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:13:52,922 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2020-08-18 15:13:52,922 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2020-08-18 15:13:52,922 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 183 190) no Hoare annotation was computed. [2020-08-18 15:13:52,922 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 885 893) no Hoare annotation was computed. [2020-08-18 15:13:52,922 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 885 893) no Hoare annotation was computed. [2020-08-18 15:13:52,922 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 885 893) no Hoare annotation was computed. [2020-08-18 15:13:52,922 INFO L268 CegarLoopResult]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2020-08-18 15:13:52,922 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 841 852) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 15:13:52,922 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 841 852) no Hoare annotation was computed. [2020-08-18 15:13:52,923 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:13:52,923 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 15:13:52,923 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:13:52,923 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:13:52,923 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:13:52,923 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2020-08-18 15:13:52,923 INFO L264 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:13:52,923 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2020-08-18 15:13:52,923 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 15:13:52,923 INFO L268 CegarLoopResult]: For program point L130(lines 129 148) no Hoare annotation was computed. [2020-08-18 15:13:52,923 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-08-18 15:13:52,924 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 693 722) no Hoare annotation was computed. [2020-08-18 15:13:52,924 INFO L271 CegarLoopResult]: At program point L703-2(lines 703 717) the Hoare annotation is: true [2020-08-18 15:13:52,924 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 693 722) the Hoare annotation is: true [2020-08-18 15:13:52,924 INFO L271 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: true [2020-08-18 15:13:52,924 INFO L268 CegarLoopResult]: For program point L699-1(line 699) no Hoare annotation was computed. [2020-08-18 15:13:52,924 INFO L271 CegarLoopResult]: At program point L718(lines 693 722) the Hoare annotation is: true [2020-08-18 15:13:52,924 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-08-18 15:13:52,924 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-08-18 15:13:52,925 INFO L271 CegarLoopResult]: At program point L707-1(lines 707 711) the Hoare annotation is: true [2020-08-18 15:13:52,925 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 853 861) the Hoare annotation is: true [2020-08-18 15:13:52,925 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 853 861) no Hoare annotation was computed. [2020-08-18 15:13:52,925 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 853 861) no Hoare annotation was computed. [2020-08-18 15:13:52,925 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 817 828) the Hoare annotation is: true [2020-08-18 15:13:52,925 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-08-18 15:13:52,925 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-08-18 15:13:52,925 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 747 753) no Hoare annotation was computed. [2020-08-18 15:13:52,926 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 747 753) the Hoare annotation is: true [2020-08-18 15:13:52,926 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:13:52,926 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 15:13:52,926 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 15:13:52,926 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:13:52,926 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 270 277) no Hoare annotation was computed. [2020-08-18 15:13:52,926 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 270 277) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 15:13:52,926 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 270 277) no Hoare annotation was computed. [2020-08-18 15:13:52,927 INFO L268 CegarLoopResult]: For program point L833-1(lines 829 840) no Hoare annotation was computed. [2020-08-18 15:13:52,927 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 829 840) no Hoare annotation was computed. [2020-08-18 15:13:52,927 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 829 840) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 15:13:52,927 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 683 690) no Hoare annotation was computed. [2020-08-18 15:13:52,927 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2020-08-18 15:13:52,927 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 683 690) the Hoare annotation is: true [2020-08-18 15:13:52,927 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 683 690) no Hoare annotation was computed. [2020-08-18 15:13:52,928 INFO L268 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2020-08-18 15:13:52,928 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 15:13:52,928 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-08-18 15:13:52,928 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 788 812) the Hoare annotation is: true [2020-08-18 15:13:52,928 INFO L268 CegarLoopResult]: For program point L796(lines 796 809) no Hoare annotation was computed. [2020-08-18 15:13:52,928 INFO L268 CegarLoopResult]: For program point L796-1(lines 788 812) no Hoare annotation was computed. [2020-08-18 15:13:52,928 INFO L271 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: true [2020-08-18 15:13:52,929 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-08-18 15:13:52,929 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 788 812) no Hoare annotation was computed. [2020-08-18 15:13:52,929 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 15:13:52,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 03:13:52 BoogieIcfgContainer [2020-08-18 15:13:52,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 15:13:52,948 INFO L168 Benchmark]: Toolchain (without parser) took 25257.10 ms. Allocated memory was 139.5 MB in the beginning and 609.2 MB in the end (delta: 469.8 MB). Free memory was 101.3 MB in the beginning and 141.7 MB in the end (delta: -40.4 MB). Peak memory consumption was 456.3 MB. Max. memory is 7.1 GB. [2020-08-18 15:13:52,950 INFO L168 Benchmark]: CDTParser took 0.20 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 15:13:52,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.27 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 172.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-08-18 15:13:52,951 INFO L168 Benchmark]: Boogie Preprocessor took 88.76 ms. Allocated memory is still 202.4 MB. Free memory was 172.3 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 15:13:52,952 INFO L168 Benchmark]: RCFGBuilder took 1062.29 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 168.2 MB in the beginning and 202.4 MB in the end (delta: -34.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-08-18 15:13:52,953 INFO L168 Benchmark]: TraceAbstraction took 23352.94 ms. Allocated memory was 235.9 MB in the beginning and 609.2 MB in the end (delta: 373.3 MB). Free memory was 202.4 MB in the beginning and 141.7 MB in the end (delta: 60.7 MB). Peak memory consumption was 460.9 MB. Max. memory is 7.1 GB. [2020-08-18 15:13:52,957 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.27 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 172.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.76 ms. Allocated memory is still 202.4 MB. Free memory was 172.3 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1062.29 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 168.2 MB in the beginning and 202.4 MB in the end (delta: -34.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23352.94 ms. Allocated memory was 235.9 MB in the beginning and 609.2 MB in the end (delta: 373.3 MB). Free memory was 202.4 MB in the beginning and 141.7 MB in the end (delta: 60.7 MB). Peak memory consumption was 460.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: 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: 55]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 485 SDtfs, 712 SDslu, 467 SDs, 0 SdLazy, 2091 SolverSat, 486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred 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, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 505 PreInvPairs, 608 NumberOfFragments, 704 HoareAnnotationTreeSize, 505 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 53 FomulaSimplificationsInter, 17276 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...