/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 22:28:39,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 22:28:39,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 22:28:39,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 22:28:39,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 22:28:39,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 22:28:39,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 22:28:39,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 22:28:39,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 22:28:39,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 22:28:39,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 22:28:39,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 22:28:39,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 22:28:39,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 22:28:39,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 22:28:39,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 22:28:39,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 22:28:39,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 22:28:39,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 22:28:39,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 22:28:39,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 22:28:39,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 22:28:39,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 22:28:39,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 22:28:39,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 22:28:39,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 22:28:39,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 22:28:39,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 22:28:39,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 22:28:39,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 22:28:39,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 22:28:39,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 22:28:39,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 22:28:39,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 22:28:39,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 22:28:39,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 22:28:39,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 22:28:39,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 22:28:39,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 22:28:39,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 22:28:39,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 22:28:39,472 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 22:28:39,497 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:28:39,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:28:39,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:28:39,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:28:39,499 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:28:39,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:28:39,499 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 22:28:39,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:28:39,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 22:28:39,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:28:39,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:28:39,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:28:39,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:28:39,500 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 22:28:39,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:28:39,505 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:28:39,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:28:39,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:28:39,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:28:39,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:28:39,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:28:39,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:28:39,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:28:39,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:28:39,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:28:39,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:28:39,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:28:39,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:28:39,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:28:39,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; [2020-08-18 22:28:39,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:28:39,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:28:39,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:28:39,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:28:39,807 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:28:39,808 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2020-08-18 22:28:39,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c424edd13/cac6b3d13c394322b8da02bc5fcb39e6/FLAGe12011f77 [2020-08-18 22:28:40,417 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:28:40,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2020-08-18 22:28:40,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c424edd13/cac6b3d13c394322b8da02bc5fcb39e6/FLAGe12011f77 [2020-08-18 22:28:40,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c424edd13/cac6b3d13c394322b8da02bc5fcb39e6 [2020-08-18 22:28:40,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:28:40,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:28:40,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:28:40,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:28:40,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:28:40,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:28:40" (1/1) ... [2020-08-18 22:28:40,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68feb839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:40, skipping insertion in model container [2020-08-18 22:28:40,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:28:40" (1/1) ... [2020-08-18 22:28:40,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:28:40,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:28:41,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:28:41,259 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 22:28:41,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:28:41,388 INFO L208 MainTranslator]: Completed translation [2020-08-18 22:28:41,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41 WrapperNode [2020-08-18 22:28:41,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:28:41,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 22:28:41,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 22:28:41,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 22:28:41,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41" (1/1) ... [2020-08-18 22:28:41,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41" (1/1) ... [2020-08-18 22:28:41,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41" (1/1) ... [2020-08-18 22:28:41,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41" (1/1) ... [2020-08-18 22:28:41,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41" (1/1) ... [2020-08-18 22:28:41,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41" (1/1) ... [2020-08-18 22:28:41,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41" (1/1) ... [2020-08-18 22:28:41,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 22:28:41,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 22:28:41,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 22:28:41,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 22:28:41,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41" (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 22:28:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 22:28:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 22:28:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 22:28:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 22:28:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 22:28:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 22:28:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 22:28:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 22:28:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 22:28:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 22:28:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 22:28:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 22:28:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 22:28:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 22:28:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 22:28:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 22:28:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 22:28:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 22:28:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 22:28:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 22:28:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 22:28:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 22:28:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 22:28:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 22:28:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 22:28:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 22:28:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 22:28:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 22:28:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 22:28:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 22:28:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 22:28:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 22:28:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 22:28:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 22:28:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 22:28:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 22:28:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 22:28:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 22:28:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 22:28:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 22:28:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 22:28:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 22:28:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 22:28:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 22:28:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 22:28:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 22:28:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 22:28:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 22:28:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 22:28:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 22:28:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 22:28:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 22:28:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 22:28:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 22:28:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 22:28:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 22:28:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 22:28:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 22:28:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 22:28:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 22:28:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 22:28:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 22:28:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 22:28:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 22:28:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 22:28:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 22:28:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 22:28:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 22:28:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 22:28:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 22:28:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 22:28:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 22:28:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 22:28:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 22:28:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 22:28:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 22:28:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 22:28:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 22:28:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 22:28:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 22:28:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 22:28:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 22:28:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 22:28:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 22:28:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 22:28:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 22:28:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 22:28:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 22:28:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 22:28:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 22:28:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 22:28:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 22:28:42,659 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 22:28:42,660 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 22:28:42,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:28:42 BoogieIcfgContainer [2020-08-18 22:28:42,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 22:28:42,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 22:28:42,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 22:28:42,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 22:28:42,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:28:40" (1/3) ... [2020-08-18 22:28:42,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2612d6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:28:42, skipping insertion in model container [2020-08-18 22:28:42,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:41" (2/3) ... [2020-08-18 22:28:42,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2612d6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:28:42, skipping insertion in model container [2020-08-18 22:28:42,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:28:42" (3/3) ... [2020-08-18 22:28:42,674 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2020-08-18 22:28:42,685 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 22:28:42,693 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 22:28:42,707 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 22:28:42,728 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 22:28:42,729 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 22:28:42,729 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 22:28:42,729 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 22:28:42,729 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 22:28:42,729 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 22:28:42,729 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 22:28:42,730 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 22:28:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-08-18 22:28:42,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 22:28:42,760 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:42,761 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 22:28:42,762 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:42,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:42,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1851171777, now seen corresponding path program 1 times [2020-08-18 22:28:42,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:42,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112655612] [2020-08-18 22:28:42,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:43,434 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:43,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:43,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:43,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:43,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:43,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:43,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 22:28:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:43,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 22:28:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:43,524 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 22:28:43,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112655612] [2020-08-18 22:28:43,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:43,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 22:28:43,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22287697] [2020-08-18 22:28:43,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 22:28:43,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:43,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 22:28:43,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:28:43,552 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-08-18 22:28:44,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:44,642 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-08-18 22:28:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 22:28:44,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 22:28:44,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:44,660 INFO L225 Difference]: With dead ends: 261 [2020-08-18 22:28:44,661 INFO L226 Difference]: Without dead ends: 142 [2020-08-18 22:28:44,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:28:44,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-08-18 22:28:44,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-08-18 22:28:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 22:28:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-08-18 22:28:44,775 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-08-18 22:28:44,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:44,776 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-08-18 22:28:44,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 22:28:44,777 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-08-18 22:28:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 22:28:44,782 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:44,782 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 22:28:44,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 22:28:44,783 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:44,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:44,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1354219367, now seen corresponding path program 1 times [2020-08-18 22:28:44,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:44,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524982943] [2020-08-18 22:28:44,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:45,201 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:45,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:45,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:45,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:45,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:45,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 22:28:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:45,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 22:28:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:45,242 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 22:28:45,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524982943] [2020-08-18 22:28:45,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:45,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 22:28:45,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308098583] [2020-08-18 22:28:45,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 22:28:45,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:45,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 22:28:45,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 22:28:45,246 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-08-18 22:28:45,642 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:28:46,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:46,303 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-08-18 22:28:46,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 22:28:46,303 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 22:28:46,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:46,307 INFO L225 Difference]: With dead ends: 188 [2020-08-18 22:28:46,307 INFO L226 Difference]: Without dead ends: 126 [2020-08-18 22:28:46,309 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 22:28:46,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-08-18 22:28:46,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-08-18 22:28:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-08-18 22:28:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-08-18 22:28:46,341 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-08-18 22:28:46,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:46,342 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-08-18 22:28:46,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 22:28:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-08-18 22:28:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 22:28:46,344 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:46,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:28:46,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 22:28:46,345 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:46,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:46,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1234220754, now seen corresponding path program 1 times [2020-08-18 22:28:46,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:46,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701180930] [2020-08-18 22:28:46,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:46,658 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:46,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:46,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:46,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:46,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:46,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 22:28:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:46,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 22:28:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:46,827 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 22:28:46,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701180930] [2020-08-18 22:28:46,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:46,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 22:28:46,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076960394] [2020-08-18 22:28:46,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 22:28:46,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:46,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 22:28:46,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 22:28:46,830 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2020-08-18 22:28:47,178 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 22:28:47,472 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:47,738 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:47,973 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:48,704 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:28:50,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:50,059 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2020-08-18 22:28:50,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 22:28:50,065 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 22:28:50,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:50,070 INFO L225 Difference]: With dead ends: 351 [2020-08-18 22:28:50,071 INFO L226 Difference]: Without dead ends: 274 [2020-08-18 22:28:50,075 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 22:28:50,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-08-18 22:28:50,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2020-08-18 22:28:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 22:28:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2020-08-18 22:28:50,148 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2020-08-18 22:28:50,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:50,149 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2020-08-18 22:28:50,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 22:28:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2020-08-18 22:28:50,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 22:28:50,152 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:50,152 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 22:28:50,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 22:28:50,153 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:50,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:50,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1809763606, now seen corresponding path program 1 times [2020-08-18 22:28:50,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:50,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303669116] [2020-08-18 22:28:50,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:50,458 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:50,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:50,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:50,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:50,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:50,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 22:28:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:50,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 22:28:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:50,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 22:28:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:50,553 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 22:28:50,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303669116] [2020-08-18 22:28:50,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:50,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 22:28:50,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378050062] [2020-08-18 22:28:50,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 22:28:50,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:50,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 22:28:50,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 22:28:50,556 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 8 states. [2020-08-18 22:28:50,921 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 22:28:51,909 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:52,214 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:52,503 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:52,732 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 22:28:53,081 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:28:53,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:53,726 INFO L93 Difference]: Finished difference Result 710 states and 931 transitions. [2020-08-18 22:28:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 22:28:53,726 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 22:28:53,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:53,733 INFO L225 Difference]: With dead ends: 710 [2020-08-18 22:28:53,733 INFO L226 Difference]: Without dead ends: 514 [2020-08-18 22:28:53,736 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 22:28:53,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-08-18 22:28:53,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 395. [2020-08-18 22:28:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-08-18 22:28:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 482 transitions. [2020-08-18 22:28:53,840 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 482 transitions. Word has length 57 [2020-08-18 22:28:53,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:53,841 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 482 transitions. [2020-08-18 22:28:53,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 22:28:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 482 transitions. [2020-08-18 22:28:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 22:28:53,845 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:53,845 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 22:28:53,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 22:28:53,845 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:53,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:53,846 INFO L82 PathProgramCache]: Analyzing trace with hash -239053862, now seen corresponding path program 1 times [2020-08-18 22:28:53,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:53,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656541412] [2020-08-18 22:28:53,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,116 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:54,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 22:28:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 22:28:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 22:28:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 22:28:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:54,255 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 22:28:54,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656541412] [2020-08-18 22:28:54,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:54,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 22:28:54,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130623160] [2020-08-18 22:28:54,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 22:28:54,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:54,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 22:28:54,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 22:28:54,257 INFO L87 Difference]: Start difference. First operand 395 states and 482 transitions. Second operand 9 states. [2020-08-18 22:28:54,644 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 22:28:55,578 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:55,871 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:56,110 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:56,427 INFO L93 Difference]: Finished difference Result 725 states and 942 transitions. [2020-08-18 22:28:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 22:28:56,432 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 22:28:56,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:56,433 INFO L225 Difference]: With dead ends: 725 [2020-08-18 22:28:56,433 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 22:28:56,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 22:28:56,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 22:28:56,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 22:28:56,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 22:28:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 22:28:56,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 22:28:56,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:56,437 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 22:28:56,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 22:28:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 22:28:56,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 22:28:56,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 22:28:56,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 22:28:59,198 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 22:28:59,517 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 22:28:59,698 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:28:59,852 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 22:29:00,041 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:29:00,226 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 22:29:00,417 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:29:00,718 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 22:29:01,036 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 22:29:01,189 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 22:29:01,526 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 22:29:01,726 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 22:29:01,905 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 22:29:02,199 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 22:29:02,375 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 22:29:02,870 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 22:29:03,051 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:29:03,240 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:29:03,393 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:29:03,555 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 22:29:03,737 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:29:03,958 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 22:29:04,286 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 22:29:04,301 INFO L268 CegarLoopResult]: For program point L386-2(lines 386 407) no Hoare annotation was computed. [2020-08-18 22:29:04,301 INFO L268 CegarLoopResult]: For program point L408(lines 385 409) no Hoare annotation was computed. [2020-08-18 22:29:04,301 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 361 416) no Hoare annotation was computed. [2020-08-18 22:29:04,301 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-08-18 22:29:04,302 INFO L268 CegarLoopResult]: For program point L392-1(lines 392 396) no Hoare annotation was computed. [2020-08-18 22:29:04,302 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 361 416) no Hoare annotation was computed. [2020-08-18 22:29:04,302 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-08-18 22:29:04,302 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 361 416) no Hoare annotation was computed. [2020-08-18 22:29:04,302 INFO L268 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-08-18 22:29:04,303 INFO L268 CegarLoopResult]: For program point L449-1(lines 449 453) no Hoare annotation was computed. [2020-08-18 22:29:04,303 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-08-18 22:29:04,303 INFO L268 CegarLoopResult]: For program point L443-2(lines 443 468) no Hoare annotation was computed. [2020-08-18 22:29:04,303 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 417 476) no Hoare annotation was computed. [2020-08-18 22:29:04,303 INFO L268 CegarLoopResult]: For program point L469(lines 442 470) no Hoare annotation was computed. [2020-08-18 22:29:04,303 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 417 476) no Hoare annotation was computed. [2020-08-18 22:29:04,303 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-08-18 22:29:04,303 INFO L268 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-08-18 22:29:04,303 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 417 476) no Hoare annotation was computed. [2020-08-18 22:29:04,304 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 22:29:04,304 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 22:29:04,304 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 22:29:04,304 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 22:29:04,304 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 22:29:04,304 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 285 307) 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 22:29:04,304 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2020-08-18 22:29:04,304 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2020-08-18 22:29:04,305 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:29:04,305 INFO L264 CegarLoopResult]: At program point L297-1(line 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:29:04,305 INFO L268 CegarLoopResult]: For program point L295(lines 295 302) no Hoare annotation was computed. [2020-08-18 22:29:04,305 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2020-08-18 22:29:04,305 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-08-18 22:29:04,305 INFO L264 CegarLoopResult]: At program point L292(line 292) 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 22:29:04,306 INFO L264 CegarLoopResult]: At program point L291(line 291) 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 22:29:04,306 INFO L264 CegarLoopResult]: At program point L291-1(line 291) 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 22:29:04,306 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-08-18 22:29:04,306 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-08-18 22:29:04,306 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 243 266) no Hoare annotation was computed. [2020-08-18 22:29:04,306 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-08-18 22:29:04,306 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-08-18 22:29:04,307 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-08-18 22:29:04,307 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 243 266) no Hoare annotation was computed. [2020-08-18 22:29:04,307 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-08-18 22:29:04,307 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 243 266) no Hoare annotation was computed. [2020-08-18 22:29:04,307 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-08-18 22:29:04,307 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-08-18 22:29:04,307 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-08-18 22:29:04,308 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-08-18 22:29:04,308 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-18 22:29:04,308 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-08-18 22:29:04,308 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-08-18 22:29:04,308 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-08-18 22:29:04,308 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2020-08-18 22:29:04,308 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 22:29:04,308 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-08-18 22:29:04,308 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 22:29:04,309 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2020-08-18 22:29:04,309 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2020-08-18 22:29:04,309 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2020-08-18 22:29:04,309 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2020-08-18 22:29:04,309 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2020-08-18 22:29:04,309 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-08-18 22:29:04,309 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-08-18 22:29:04,309 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-08-18 22:29:04,309 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2020-08-18 22:29:04,309 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point L866(lines 866 874) no Hoare annotation was computed. [2020-08-18 22:29:04,310 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 22:29:04,311 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 315 360) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 315 360) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 315 360) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L268 CegarLoopResult]: For program point L642-1(lines 642 662) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 628 673) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 628 673) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L268 CegarLoopResult]: For program point L648(lines 648 655) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 628 673) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L268 CegarLoopResult]: For program point L642(lines 642 662) no Hoare annotation was computed. [2020-08-18 22:29:04,311 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 275 284) 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 22:29:04,312 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 275 284) no Hoare annotation was computed. [2020-08-18 22:29:04,312 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 275 284) no Hoare annotation was computed. [2020-08-18 22:29:04,312 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 839 849) no Hoare annotation was computed. [2020-08-18 22:29:04,312 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-18 22:29:04,312 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-08-18 22:29:04,312 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2020-08-18 22:29:04,312 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2020-08-18 22:29:04,312 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2020-08-18 22:29:04,312 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2020-08-18 22:29:04,312 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2020-08-18 22:29:04,312 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:29:04,313 INFO L268 CegarLoopResult]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2020-08-18 22:29:04,313 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:29:04,313 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 780 804) no Hoare annotation was computed. [2020-08-18 22:29:04,313 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:29:04,313 INFO L268 CegarLoopResult]: For program point L788(lines 788 796) no Hoare annotation was computed. [2020-08-18 22:29:04,313 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 780 804) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:29:04,313 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:29:04,314 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-08-18 22:29:04,314 INFO L268 CegarLoopResult]: For program point L784(lines 784 801) no Hoare annotation was computed. [2020-08-18 22:29:04,314 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2020-08-18 22:29:04,314 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2020-08-18 22:29:04,314 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2020-08-18 22:29:04,314 INFO L264 CegarLoopResult]: At program point testENTRY(lines 676 741) 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 22:29:04,315 INFO L264 CegarLoopResult]: At program point L731(lines 686 733) 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 22:29:04,315 INFO L264 CegarLoopResult]: At program point L698(line 698) 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 22:29:04,315 INFO L268 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-08-18 22:29:04,315 INFO L268 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-08-18 22:29:04,315 INFO L268 CegarLoopResult]: For program point testFINAL(lines 676 741) no Hoare annotation was computed. [2020-08-18 22:29:04,315 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-08-18 22:29:04,315 INFO L264 CegarLoopResult]: At program point L734(lines 685 735) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:29:04,316 INFO L264 CegarLoopResult]: At program point L724(line 724) 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 22:29:04,316 INFO L268 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-08-18 22:29:04,316 INFO L264 CegarLoopResult]: At program point L722-1(lines 716 729) 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 22:29:04,316 INFO L268 CegarLoopResult]: For program point L687(lines 686 733) no Hoare annotation was computed. [2020-08-18 22:29:04,316 INFO L268 CegarLoopResult]: For program point L716(lines 716 729) no Hoare annotation was computed. [2020-08-18 22:29:04,316 INFO L264 CegarLoopResult]: At program point L708(line 708) 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 22:29:04,316 INFO L268 CegarLoopResult]: For program point testEXIT(lines 676 741) no Hoare annotation was computed. [2020-08-18 22:29:04,316 INFO L268 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2020-08-18 22:29:04,316 INFO L268 CegarLoopResult]: For program point L602(lines 602 609) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 582 627) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 582 627) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point L596(lines 596 616) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 582 627) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 805 812) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 805 812) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 805 812) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2020-08-18 22:29:04,317 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point L149(lines 149 157) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 141 163) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point L149-2(lines 149 157) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 479 581) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point L508(lines 508 524) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point L568(lines 568 575) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point L529(lines 528 548) no Hoare annotation was computed. [2020-08-18 22:29:04,318 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point L525(lines 525 566) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 479 581) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point L544-1(line 544) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point L567(lines 567 578) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 479 581) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point L528-2(lines 528 548) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point L549(lines 527 550) no Hoare annotation was computed. [2020-08-18 22:29:04,319 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:29:04,320 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 22:29:04,320 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:29:04,320 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2020-08-18 22:29:04,320 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-18 22:29:04,320 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 814 830) no Hoare annotation was computed. [2020-08-18 22:29:04,320 INFO L268 CegarLoopResult]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2020-08-18 22:29:04,320 INFO L268 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-08-18 22:29:04,320 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-18 22:29:04,321 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-08-18 22:29:04,321 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 164 172) no Hoare annotation was computed. [2020-08-18 22:29:04,321 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 164 172) no Hoare annotation was computed. [2020-08-18 22:29:04,321 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2020-08-18 22:29:04,321 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 22:29:04,321 INFO L268 CegarLoopResult]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2020-08-18 22:29:04,321 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2020-08-18 22:29:04,321 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:29:04,322 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 22:29:04,322 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:29:04,322 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2020-08-18 22:29:04,322 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2020-08-18 22:29:04,322 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2020-08-18 22:29:04,322 INFO L264 CegarLoopResult]: At program point L761(line 761) 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 22:29:04,322 INFO L264 CegarLoopResult]: At program point L759(lines 759 765) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:29:04,322 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 22:29:04,322 INFO L268 CegarLoopResult]: For program point L752(lines 751 770) no Hoare annotation was computed. [2020-08-18 22:29:04,322 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 748 771) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:29:04,323 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2020-08-18 22:29:04,323 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2020-08-18 22:29:04,323 INFO L271 CegarLoopResult]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2020-08-18 22:29:04,323 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2020-08-18 22:29:04,323 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-08-18 22:29:04,323 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2020-08-18 22:29:04,323 INFO L271 CegarLoopResult]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2020-08-18 22:29:04,323 INFO L271 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: true [2020-08-18 22:29:04,324 INFO L268 CegarLoopResult]: For program point L218-1(line 218) no Hoare annotation was computed. [2020-08-18 22:29:04,324 INFO L271 CegarLoopResult]: At program point L237(lines 212 241) the Hoare annotation is: true [2020-08-18 22:29:04,324 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-08-18 22:29:04,324 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-08-18 22:29:04,324 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2020-08-18 22:29:04,324 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2020-08-18 22:29:04,324 INFO L268 CegarLoopResult]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2020-08-18 22:29:04,325 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2020-08-18 22:29:04,325 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2020-08-18 22:29:04,325 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:29:04,325 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 22:29:04,325 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 22:29:04,325 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:29:04,325 INFO L268 CegarLoopResult]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2020-08-18 22:29:04,325 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2020-08-18 22:29:04,326 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 22:29:04,326 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-08-18 22:29:04,326 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-08-18 22:29:04,326 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-08-18 22:29:04,326 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-08-18 22:29:04,326 INFO L268 CegarLoopResult]: For program point L194-1(line 194) no Hoare annotation was computed. [2020-08-18 22:29:04,326 INFO L268 CegarLoopResult]: For program point L192(lines 192 205) no Hoare annotation was computed. [2020-08-18 22:29:04,327 INFO L268 CegarLoopResult]: For program point L192-1(lines 184 208) no Hoare annotation was computed. [2020-08-18 22:29:04,327 INFO L271 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: true [2020-08-18 22:29:04,327 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-08-18 22:29:04,327 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 184 208) the Hoare annotation is: true [2020-08-18 22:29:04,327 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 184 208) no Hoare annotation was computed. [2020-08-18 22:29:04,327 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 22:29:04,327 INFO L268 CegarLoopResult]: For program point L196(lines 196 202) no Hoare annotation was computed. [2020-08-18 22:29:04,327 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 22:29:04,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:29:04 BoogieIcfgContainer [2020-08-18 22:29:04,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 22:29:04,347 INFO L168 Benchmark]: Toolchain (without parser) took 23641.45 ms. Allocated memory was 140.5 MB in the beginning and 600.3 MB in the end (delta: 459.8 MB). Free memory was 103.4 MB in the beginning and 414.3 MB in the end (delta: -310.9 MB). Peak memory consumption was 449.1 MB. Max. memory is 7.1 GB. [2020-08-18 22:29:04,347 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 22:29:04,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.37 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 103.2 MB in the beginning and 171.2 MB in the end (delta: -68.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-08-18 22:29:04,349 INFO L168 Benchmark]: Boogie Preprocessor took 88.95 ms. Allocated memory is still 203.4 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 22:29:04,350 INFO L168 Benchmark]: RCFGBuilder took 1186.65 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.1 MB in the beginning and 195.2 MB in the end (delta: -28.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-08-18 22:29:04,351 INFO L168 Benchmark]: TraceAbstraction took 21678.43 ms. Allocated memory was 235.9 MB in the beginning and 600.3 MB in the end (delta: 364.4 MB). Free memory was 195.2 MB in the beginning and 414.3 MB in the end (delta: -219.1 MB). Peak memory consumption was 445.6 MB. Max. memory is 7.1 GB. [2020-08-18 22:29:04,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.37 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 103.2 MB in the beginning and 171.2 MB in the end (delta: -68.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.95 ms. Allocated memory is still 203.4 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1186.65 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.1 MB in the beginning and 195.2 MB in the end (delta: -28.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21678.43 ms. Allocated memory was 235.9 MB in the beginning and 600.3 MB in the end (delta: 364.4 MB). Free memory was 195.2 MB in the beginning and 414.3 MB in the end (delta: -219.1 MB). Peak memory consumption was 445.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 685]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 461 SDtfs, 727 SDslu, 408 SDs, 0 SdLazy, 1994 SolverSat, 459 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s 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=395occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 677 HoareAnnotationTreeSize, 468 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 52 FomulaSimplificationsInter, 16892 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 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...