/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 00:07:10,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 00:07:10,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 00:07:10,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 00:07:10,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 00:07:10,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 00:07:10,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 00:07:10,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 00:07:10,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 00:07:10,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 00:07:10,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 00:07:10,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 00:07:10,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 00:07:10,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 00:07:10,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 00:07:10,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 00:07:10,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 00:07:10,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 00:07:10,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 00:07:10,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 00:07:10,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 00:07:10,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 00:07:10,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 00:07:10,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 00:07:10,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 00:07:10,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 00:07:10,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 00:07:10,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 00:07:10,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 00:07:10,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 00:07:10,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 00:07:10,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 00:07:10,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 00:07:10,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 00:07:10,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 00:07:10,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 00:07:10,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 00:07:10,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 00:07:10,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 00:07:10,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 00:07:10,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 00:07:10,451 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 [2020-08-19 00:07:10,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 00:07:10,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 00:07:10,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 00:07:10,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 00:07:10,490 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 00:07:10,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 00:07:10,490 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 00:07:10,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 00:07:10,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 00:07:10,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 00:07:10,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 00:07:10,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 00:07:10,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 00:07:10,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 00:07:10,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 00:07:10,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 00:07:10,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 00:07:10,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 00:07:10,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 00:07:10,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 00:07:10,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 00:07:10,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 00:07:10,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 00:07:10,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 00:07:10,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 00:07:10,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 00:07:10,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 00:07:10,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 00:07:10,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 00:07:10,494 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=WIDESTAMONGSMALL;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; [2020-08-19 00:07:10,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 00:07:10,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 00:07:10,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 00:07:10,843 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 00:07:10,843 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 00:07:10,844 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-08-19 00:07:10,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81077c3e0/fd203417faae420cb389d0c78376cd55/FLAG6d72240eb [2020-08-19 00:07:11,366 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 00:07:11,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-08-19 00:07:11,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81077c3e0/fd203417faae420cb389d0c78376cd55/FLAG6d72240eb [2020-08-19 00:07:11,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81077c3e0/fd203417faae420cb389d0c78376cd55 [2020-08-19 00:07:11,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 00:07:11,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 00:07:11,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 00:07:11,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 00:07:11,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 00:07:11,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 12:07:11" (1/1) ... [2020-08-19 00:07:11,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1949999b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:11, skipping insertion in model container [2020-08-19 00:07:11,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 12:07:11" (1/1) ... [2020-08-19 00:07:11,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 00:07:11,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 00:07:11,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 00:07:12,004 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 00:07:12,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 00:07:12,262 INFO L208 MainTranslator]: Completed translation [2020-08-19 00:07:12,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12 WrapperNode [2020-08-19 00:07:12,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 00:07:12,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 00:07:12,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 00:07:12,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 00:07:12,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 00:07:12,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 00:07:12,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 00:07:12,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 00:07:12,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (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 [2020-08-19 00:07:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 00:07:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 00:07:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 00:07:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 00:07:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 00:07:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 00:07:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 00:07:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 00:07:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 00:07:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 00:07:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-19 00:07:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 00:07:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 00:07:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 00:07:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 00:07:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 00:07:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 00:07:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-19 00:07:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 00:07:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 00:07:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 00:07:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 00:07:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 00:07:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 00:07:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 00:07:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 00:07:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 00:07:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 00:07:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 00:07:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 00:07:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 00:07:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 00:07:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 00:07:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 00:07:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 00:07:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-19 00:07:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-19 00:07:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 00:07:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 00:07:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 00:07:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 00:07:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 00:07:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 00:07:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 00:07:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 00:07:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 00:07:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 00:07:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 00:07:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 00:07:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 00:07:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 00:07:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 00:07:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-19 00:07:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-19 00:07:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 00:07:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-19 00:07:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 00:07:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 00:07:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 00:07:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 00:07:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 00:07:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 00:07:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 00:07:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 00:07:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 00:07:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 00:07:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 00:07:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 00:07:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 00:07:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 00:07:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 00:07:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 00:07:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 00:07:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 00:07:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 00:07:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 00:07:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 00:07:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 00:07:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 00:07:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 00:07:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 00:07:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 00:07:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-19 00:07:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 00:07:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 00:07:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 00:07:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 00:07:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 00:07:13,594 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 00:07:13,594 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 00:07:13,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 12:07:13 BoogieIcfgContainer [2020-08-19 00:07:13,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 00:07:13,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 00:07:13,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 00:07:13,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 00:07:13,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 12:07:11" (1/3) ... [2020-08-19 00:07:13,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d6b63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 12:07:13, skipping insertion in model container [2020-08-19 00:07:13,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (2/3) ... [2020-08-19 00:07:13,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d6b63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 12:07:13, skipping insertion in model container [2020-08-19 00:07:13,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 12:07:13" (3/3) ... [2020-08-19 00:07:13,608 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2020-08-19 00:07:13,619 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 00:07:13,627 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 00:07:13,642 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 00:07:13,668 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 00:07:13,668 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 00:07:13,668 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 00:07:13,668 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 00:07:13,669 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 00:07:13,669 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 00:07:13,669 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 00:07:13,669 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 00:07:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-08-19 00:07:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-19 00:07:13,703 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:13,704 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] [2020-08-19 00:07:13,704 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:13,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:13,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1126769430, now seen corresponding path program 1 times [2020-08-19 00:07:13,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:13,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515599275] [2020-08-19 00:07:13,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,331 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:14,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 00:07:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 00:07:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:14,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515599275] [2020-08-19 00:07:14,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:14,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 00:07:14,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406308231] [2020-08-19 00:07:14,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 00:07:14,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:14,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 00:07:14,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-19 00:07:14,454 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 4 states. [2020-08-19 00:07:15,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:15,516 INFO L93 Difference]: Finished difference Result 251 states and 335 transitions. [2020-08-19 00:07:15,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-19 00:07:15,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-19 00:07:15,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:15,533 INFO L225 Difference]: With dead ends: 251 [2020-08-19 00:07:15,533 INFO L226 Difference]: Without dead ends: 142 [2020-08-19 00:07:15,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-19 00:07:15,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-08-19 00:07:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-08-19 00:07:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-19 00:07:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2020-08-19 00:07:15,676 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 51 [2020-08-19 00:07:15,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:15,677 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2020-08-19 00:07:15,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 00:07:15,678 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2020-08-19 00:07:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 00:07:15,684 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:15,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:07:15,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 00:07:15,685 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:15,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:15,685 INFO L82 PathProgramCache]: Analyzing trace with hash 305293600, now seen corresponding path program 1 times [2020-08-19 00:07:15,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:15,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2141865080] [2020-08-19 00:07:15,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:16,133 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:16,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:16,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:16,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:16,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:16,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 00:07:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-19 00:07:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:16,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2141865080] [2020-08-19 00:07:16,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:16,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 00:07:16,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091380118] [2020-08-19 00:07:16,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 00:07:16,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:16,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 00:07:16,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 00:07:16,195 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 5 states. [2020-08-19 00:07:16,651 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 00:07:17,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:17,446 INFO L93 Difference]: Finished difference Result 190 states and 238 transitions. [2020-08-19 00:07:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 00:07:17,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-19 00:07:17,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:17,451 INFO L225 Difference]: With dead ends: 190 [2020-08-19 00:07:17,452 INFO L226 Difference]: Without dead ends: 132 [2020-08-19 00:07:17,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 00:07:17,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-19 00:07:17,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 101. [2020-08-19 00:07:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-08-19 00:07:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2020-08-19 00:07:17,487 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 52 [2020-08-19 00:07:17,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:17,488 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2020-08-19 00:07:17,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 00:07:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2020-08-19 00:07:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-19 00:07:17,490 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:17,490 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] [2020-08-19 00:07:17,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 00:07:17,491 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:17,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:17,491 INFO L82 PathProgramCache]: Analyzing trace with hash -13017803, now seen corresponding path program 1 times [2020-08-19 00:07:17,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:17,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276997097] [2020-08-19 00:07:17,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,856 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:17,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 00:07:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 00:07:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:17,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276997097] [2020-08-19 00:07:17,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:17,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 00:07:17,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841513025] [2020-08-19 00:07:17,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 00:07:17,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:17,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 00:07:17,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 00:07:17,957 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 9 states. [2020-08-19 00:07:18,363 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 00:07:18,709 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:18,960 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:19,201 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:20,033 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 00:07:21,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:21,503 INFO L93 Difference]: Finished difference Result 347 states and 444 transitions. [2020-08-19 00:07:21,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-19 00:07:21,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-19 00:07:21,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:21,509 INFO L225 Difference]: With dead ends: 347 [2020-08-19 00:07:21,509 INFO L226 Difference]: Without dead ends: 274 [2020-08-19 00:07:21,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-19 00:07:21,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-08-19 00:07:21,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 217. [2020-08-19 00:07:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-08-19 00:07:21,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 266 transitions. [2020-08-19 00:07:21,574 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 266 transitions. Word has length 56 [2020-08-19 00:07:21,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:21,574 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 266 transitions. [2020-08-19 00:07:21,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 00:07:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 266 transitions. [2020-08-19 00:07:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-19 00:07:21,578 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:21,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:07:21,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 00:07:21,578 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:21,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:21,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1884102266, now seen corresponding path program 1 times [2020-08-19 00:07:21,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:21,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165219250] [2020-08-19 00:07:21,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:21,915 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:21,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:21,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:21,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:21,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:21,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:21,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:22,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 00:07:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:22,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 00:07:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:22,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-19 00:07:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:22,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:22,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165219250] [2020-08-19 00:07:22,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:22,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 00:07:22,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298294270] [2020-08-19 00:07:22,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 00:07:22,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:22,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 00:07:22,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 00:07:22,050 INFO L87 Difference]: Start difference. First operand 217 states and 266 transitions. Second operand 9 states. [2020-08-19 00:07:22,445 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 00:07:23,468 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:23,838 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 00:07:24,120 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:24,394 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:25,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:25,345 INFO L93 Difference]: Finished difference Result 693 states and 937 transitions. [2020-08-19 00:07:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-19 00:07:25,349 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-19 00:07:25,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:25,363 INFO L225 Difference]: With dead ends: 693 [2020-08-19 00:07:25,364 INFO L226 Difference]: Without dead ends: 504 [2020-08-19 00:07:25,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-19 00:07:25,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-08-19 00:07:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 382. [2020-08-19 00:07:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-08-19 00:07:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 472 transitions. [2020-08-19 00:07:25,484 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 472 transitions. Word has length 62 [2020-08-19 00:07:25,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:25,485 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 472 transitions. [2020-08-19 00:07:25,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 00:07:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 472 transitions. [2020-08-19 00:07:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-19 00:07:25,488 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:25,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:07:25,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 00:07:25,489 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:25,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:25,490 INFO L82 PathProgramCache]: Analyzing trace with hash -2089210538, now seen corresponding path program 1 times [2020-08-19 00:07:25,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:25,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660403246] [2020-08-19 00:07:25,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,795 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:25,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-19 00:07:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 00:07:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 00:07:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-19 00:07:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:25,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660403246] [2020-08-19 00:07:25,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:25,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-19 00:07:25,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403638900] [2020-08-19 00:07:25,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 00:07:25,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:25,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 00:07:25,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-19 00:07:25,935 INFO L87 Difference]: Start difference. First operand 382 states and 472 transitions. Second operand 10 states. [2020-08-19 00:07:26,346 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 00:07:27,261 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:27,537 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:27,768 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:28,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:28,120 INFO L93 Difference]: Finished difference Result 727 states and 972 transitions. [2020-08-19 00:07:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-19 00:07:28,121 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-19 00:07:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:28,121 INFO L225 Difference]: With dead ends: 727 [2020-08-19 00:07:28,122 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 00:07:28,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-19 00:07:28,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 00:07:28,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 00:07:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 00:07:28,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 00:07:28,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-19 00:07:28,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:28,126 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 00:07:28,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 00:07:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 00:07:28,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 00:07:28,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 00:07:28,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 00:07:28,371 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 6 [2020-08-19 00:07:30,423 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 6 [2020-08-19 00:07:31,704 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-19 00:07:31,887 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:32,070 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-19 00:07:32,293 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:32,517 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:32,862 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-19 00:07:33,024 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-19 00:07:33,377 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-19 00:07:33,732 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-19 00:07:34,006 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-19 00:07:34,197 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:34,369 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:34,561 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:34,722 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-19 00:07:34,894 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:35,237 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-19 00:07:35,403 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-19 00:07:35,926 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-19 00:07:36,123 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-19 00:07:36,313 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-19 00:07:36,646 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-19 00:07:36,949 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-19 00:07:37,254 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-19 00:07:37,560 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-19 00:07:37,564 INFO L268 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-08-19 00:07:37,564 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 483) no Hoare annotation was computed. [2020-08-19 00:07:37,564 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-08-19 00:07:37,564 INFO L268 CegarLoopResult]: For program point L473-2(lines 473 494) no Hoare annotation was computed. [2020-08-19 00:07:37,564 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 448 503) no Hoare annotation was computed. [2020-08-19 00:07:37,564 INFO L268 CegarLoopResult]: For program point L495(lines 472 496) no Hoare annotation was computed. [2020-08-19 00:07:37,565 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 448 503) no Hoare annotation was computed. [2020-08-19 00:07:37,565 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 448 503) no Hoare annotation was computed. [2020-08-19 00:07:37,565 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-08-19 00:07:37,565 INFO L268 CegarLoopResult]: For program point L536-1(lines 536 540) no Hoare annotation was computed. [2020-08-19 00:07:37,565 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 504 563) no Hoare annotation was computed. [2020-08-19 00:07:37,565 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-19 00:07:37,565 INFO L268 CegarLoopResult]: For program point L530-2(lines 530 555) no Hoare annotation was computed. [2020-08-19 00:07:37,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 504 563) no Hoare annotation was computed. [2020-08-19 00:07:37,566 INFO L268 CegarLoopResult]: For program point L556(lines 529 557) no Hoare annotation was computed. [2020-08-19 00:07:37,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 504 563) no Hoare annotation was computed. [2020-08-19 00:07:37,566 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-08-19 00:07:37,566 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-08-19 00:07:37,566 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 370 376) the Hoare annotation is: true [2020-08-19 00:07:37,566 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 370 376) no Hoare annotation was computed. [2020-08-19 00:07:37,567 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 377 385) no Hoare annotation was computed. [2020-08-19 00:07:37,567 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 377 385) the Hoare annotation is: true [2020-08-19 00:07:37,567 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 377 385) no Hoare annotation was computed. [2020-08-19 00:07:37,567 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 836 858) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,567 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2020-08-19 00:07:37,567 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,568 INFO L264 CegarLoopResult]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,568 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-08-19 00:07:37,568 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2020-08-19 00:07:37,568 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2020-08-19 00:07:37,568 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-19 00:07:37,568 INFO L264 CegarLoopResult]: At program point L843(line 843) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,568 INFO L264 CegarLoopResult]: At program point L842(line 842) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,569 INFO L264 CegarLoopResult]: At program point L842-1(line 842) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,569 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-08-19 00:07:37,569 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-08-19 00:07:37,569 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-08-19 00:07:37,569 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-08-19 00:07:37,569 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-08-19 00:07:37,569 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-08-19 00:07:37,570 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-08-19 00:07:37,570 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-19 00:07:37,570 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-19 00:07:37,570 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-19 00:07:37,570 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-08-19 00:07:37,570 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-19 00:07:37,570 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-08-19 00:07:37,571 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-08-19 00:07:37,571 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-08-19 00:07:37,571 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-08-19 00:07:37,571 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-08-19 00:07:37,571 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 265 279) no Hoare annotation was computed. [2020-08-19 00:07:37,571 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-19 00:07:37,571 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-08-19 00:07:37,571 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 265 279) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-19 00:07:37,572 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 265 279) no Hoare annotation was computed. [2020-08-19 00:07:37,572 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 220 228) no Hoare annotation was computed. [2020-08-19 00:07:37,572 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 220 228) the Hoare annotation is: true [2020-08-19 00:07:37,572 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 220 228) no Hoare annotation was computed. [2020-08-19 00:07:37,572 INFO L268 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-08-19 00:07:37,572 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-08-19 00:07:37,572 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 229 264) no Hoare annotation was computed. [2020-08-19 00:07:37,573 INFO L268 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-08-19 00:07:37,573 INFO L268 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-08-19 00:07:37,573 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 229 264) no Hoare annotation was computed. [2020-08-19 00:07:37,573 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-08-19 00:07:37,573 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 229 264) no Hoare annotation was computed. [2020-08-19 00:07:37,573 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-08-19 00:07:37,573 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 363 369) no Hoare annotation was computed. [2020-08-19 00:07:37,573 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 363 369) the Hoare annotation is: true [2020-08-19 00:07:37,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 402 447) no Hoare annotation was computed. [2020-08-19 00:07:37,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 402 447) no Hoare annotation was computed. [2020-08-19 00:07:37,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 402 447) no Hoare annotation was computed. [2020-08-19 00:07:37,574 INFO L268 CegarLoopResult]: For program point L735(lines 735 742) no Hoare annotation was computed. [2020-08-19 00:07:37,574 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 715 760) no Hoare annotation was computed. [2020-08-19 00:07:37,574 INFO L268 CegarLoopResult]: For program point L729(lines 729 749) no Hoare annotation was computed. [2020-08-19 00:07:37,574 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 749) no Hoare annotation was computed. [2020-08-19 00:07:37,574 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 715 760) no Hoare annotation was computed. [2020-08-19 00:07:37,575 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 715 760) no Hoare annotation was computed. [2020-08-19 00:07:37,575 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 825 835) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,575 INFO L264 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,575 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 825 835) no Hoare annotation was computed. [2020-08-19 00:07:37,575 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 825 835) no Hoare annotation was computed. [2020-08-19 00:07:37,575 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 209 219) the Hoare annotation is: true [2020-08-19 00:07:37,575 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 209 219) no Hoare annotation was computed. [2020-08-19 00:07:37,575 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 209 219) no Hoare annotation was computed. [2020-08-19 00:07:37,576 INFO L271 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: true [2020-08-19 00:07:37,576 INFO L268 CegarLoopResult]: For program point L214-1(line 214) no Hoare annotation was computed. [2020-08-19 00:07:37,576 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 201 208) the Hoare annotation is: true [2020-08-19 00:07:37,576 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 201 208) no Hoare annotation was computed. [2020-08-19 00:07:37,576 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 201 208) no Hoare annotation was computed. [2020-08-19 00:07:37,576 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:37,576 INFO L268 CegarLoopResult]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2020-08-19 00:07:37,576 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 168 192) no Hoare annotation was computed. [2020-08-19 00:07:37,576 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:37,576 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 168 192) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:37,577 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:37,577 INFO L268 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-08-19 00:07:37,577 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:37,577 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-08-19 00:07:37,577 INFO L268 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-08-19 00:07:37,577 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2020-08-19 00:07:37,577 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2020-08-19 00:07:37,577 INFO L264 CegarLoopResult]: At program point testENTRY(lines 282 347) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,578 INFO L264 CegarLoopResult]: At program point L314(line 314) 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))) [2020-08-19 00:07:37,578 INFO L268 CegarLoopResult]: For program point L312(lines 312 318) no Hoare annotation was computed. [2020-08-19 00:07:37,578 INFO L268 CegarLoopResult]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2020-08-19 00:07:37,578 INFO L268 CegarLoopResult]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2020-08-19 00:07:37,578 INFO L264 CegarLoopResult]: At program point L337(lines 292 339) 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))) [2020-08-19 00:07:37,578 INFO L264 CegarLoopResult]: At program point L304(line 304) 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))) [2020-08-19 00:07:37,579 INFO L268 CegarLoopResult]: For program point L302(lines 302 308) no Hoare annotation was computed. [2020-08-19 00:07:37,579 INFO L268 CegarLoopResult]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2020-08-19 00:07:37,579 INFO L268 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-08-19 00:07:37,579 INFO L264 CegarLoopResult]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:37,579 INFO L264 CegarLoopResult]: At program point L330(line 330) 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))) [2020-08-19 00:07:37,579 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-08-19 00:07:37,579 INFO L264 CegarLoopResult]: At program point L328-1(lines 322 335) 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))) [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point L293(lines 292 339) no Hoare annotation was computed. [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point L322(lines 322 335) no Hoare annotation was computed. [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 669 714) no Hoare annotation was computed. [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 669 714) no Hoare annotation was computed. [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point L689(lines 689 696) no Hoare annotation was computed. [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 669 714) no Hoare annotation was computed. [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point L683(lines 683 703) no Hoare annotation was computed. [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point L683-1(lines 683 703) no Hoare annotation was computed. [2020-08-19 00:07:37,580 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-19 00:07:37,580 INFO L268 CegarLoopResult]: For program point L882(lines 882 888) no Hoare annotation was computed. [2020-08-19 00:07:37,581 INFO L268 CegarLoopResult]: For program point L881(lines 881 891) no Hoare annotation was computed. [2020-08-19 00:07:37,581 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 869 897) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-19 00:07:37,581 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-19 00:07:37,581 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-08-19 00:07:37,581 INFO L268 CegarLoopResult]: For program point L877(lines 877 894) no Hoare annotation was computed. [2020-08-19 00:07:37,581 INFO L268 CegarLoopResult]: For program point L877-1(lines 869 897) no Hoare annotation was computed. [2020-08-19 00:07:37,581 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-19 00:07:37,581 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-08-19 00:07:37,581 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 869 897) no Hoare annotation was computed. [2020-08-19 00:07:37,581 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-19 00:07:37,582 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-19 00:07:37,582 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-19 00:07:37,582 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-19 00:07:37,582 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-19 00:07:37,582 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 861 868) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-19 00:07:37,582 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 861 868) no Hoare annotation was computed. [2020-08-19 00:07:37,582 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 861 868) no Hoare annotation was computed. [2020-08-19 00:07:37,582 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 353 362) no Hoare annotation was computed. [2020-08-19 00:07:37,582 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 353 362) no Hoare annotation was computed. [2020-08-19 00:07:37,583 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 353 362) no Hoare annotation was computed. [2020-08-19 00:07:37,583 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 566 668) no Hoare annotation was computed. [2020-08-19 00:07:37,583 INFO L268 CegarLoopResult]: For program point L636(lines 614 637) no Hoare annotation was computed. [2020-08-19 00:07:37,583 INFO L268 CegarLoopResult]: For program point L595(lines 595 611) no Hoare annotation was computed. [2020-08-19 00:07:37,583 INFO L268 CegarLoopResult]: For program point L655(lines 655 662) no Hoare annotation was computed. [2020-08-19 00:07:37,583 INFO L268 CegarLoopResult]: For program point L616(lines 615 635) no Hoare annotation was computed. [2020-08-19 00:07:37,583 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-08-19 00:07:37,583 INFO L268 CegarLoopResult]: For program point L647-1(line 647) no Hoare annotation was computed. [2020-08-19 00:07:37,584 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 566 668) no Hoare annotation was computed. [2020-08-19 00:07:37,584 INFO L268 CegarLoopResult]: For program point L612(lines 612 653) no Hoare annotation was computed. [2020-08-19 00:07:37,584 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-08-19 00:07:37,584 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-08-19 00:07:37,584 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 566 668) no Hoare annotation was computed. [2020-08-19 00:07:37,584 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-08-19 00:07:37,584 INFO L268 CegarLoopResult]: For program point L654(lines 654 665) no Hoare annotation was computed. [2020-08-19 00:07:37,585 INFO L268 CegarLoopResult]: For program point L617(lines 617 621) no Hoare annotation was computed. [2020-08-19 00:07:37,585 INFO L268 CegarLoopResult]: For program point L615-2(lines 615 635) no Hoare annotation was computed. [2020-08-19 00:07:37,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 00:07:37,585 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-19 00:07:37,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 00:07:37,585 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2020-08-19 00:07:37,586 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2020-08-19 00:07:37,586 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 193 200) no Hoare annotation was computed. [2020-08-19 00:07:37,586 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-08-19 00:07:37,586 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-19 00:07:37,586 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-19 00:07:37,586 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-19 00:07:37,586 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-19 00:07:37,586 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-19 00:07:37,587 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 00:07:37,587 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 00:07:37,587 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 00:07:37,587 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-19 00:07:37,587 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-19 00:07:37,587 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-19 00:07:37,587 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:37,588 INFO L264 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:37,588 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:37,588 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-19 00:07:37,588 INFO L268 CegarLoopResult]: For program point L140(lines 139 158) no Hoare annotation was computed. [2020-08-19 00:07:37,588 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2020-08-19 00:07:37,588 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2020-08-19 00:07:37,588 INFO L271 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: true [2020-08-19 00:07:37,588 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-08-19 00:07:37,589 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-08-19 00:07:37,589 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2020-08-19 00:07:37,589 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-08-19 00:07:37,589 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-08-19 00:07:37,589 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-08-19 00:07:37,589 INFO L271 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2020-08-19 00:07:37,589 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-08-19 00:07:37,590 INFO L271 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2020-08-19 00:07:37,590 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-19 00:07:37,590 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-19 00:07:37,590 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-19 00:07:37,590 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-08-19 00:07:37,590 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-08-19 00:07:37,590 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 00:07:37,591 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-19 00:07:37,591 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 00:07:37,591 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 00:07:37,591 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-19 00:07:37,591 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-19 00:07:37,591 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-19 00:07:37,591 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 387 394) no Hoare annotation was computed. [2020-08-19 00:07:37,592 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2020-08-19 00:07:37,592 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 387 394) the Hoare annotation is: true [2020-08-19 00:07:37,592 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 387 394) no Hoare annotation was computed. [2020-08-19 00:07:37,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 12:07:37 BoogieIcfgContainer [2020-08-19 00:07:37,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 00:07:37,611 INFO L168 Benchmark]: Toolchain (without parser) took 25956.65 ms. Allocated memory was 148.9 MB in the beginning and 607.1 MB in the end (delta: 458.2 MB). Free memory was 104.0 MB in the beginning and 508.1 MB in the end (delta: -404.2 MB). Peak memory consumption was 454.8 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:37,612 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 00:07:37,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.46 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 103.8 MB in the beginning and 176.4 MB in the end (delta: -72.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:37,613 INFO L168 Benchmark]: Boogie Preprocessor took 114.90 ms. Allocated memory is still 206.0 MB. Free memory was 176.4 MB in the beginning and 172.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:37,614 INFO L168 Benchmark]: RCFGBuilder took 1220.34 ms. Allocated memory was 206.0 MB in the beginning and 233.8 MB in the end (delta: 27.8 MB). Free memory was 172.1 MB in the beginning and 197.9 MB in the end (delta: -25.8 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:37,615 INFO L168 Benchmark]: TraceAbstraction took 24008.29 ms. Allocated memory was 233.8 MB in the beginning and 607.1 MB in the end (delta: 373.3 MB). Free memory was 196.5 MB in the beginning and 508.1 MB in the end (delta: -311.6 MB). Peak memory consumption was 462.5 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:37,620 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.46 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 103.8 MB in the beginning and 176.4 MB in the end (delta: -72.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.90 ms. Allocated memory is still 206.0 MB. Free memory was 176.4 MB in the beginning and 172.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.34 ms. Allocated memory was 206.0 MB in the beginning and 233.8 MB in the end (delta: 27.8 MB). Free memory was 172.1 MB in the beginning and 197.9 MB in the end (delta: -25.8 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24008.29 ms. Allocated memory was 233.8 MB in the beginning and 607.1 MB in the end (delta: 373.3 MB). Free memory was 196.5 MB in the beginning and 508.1 MB in the end (delta: -311.6 MB). Peak memory consumption was 462.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 391]: 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: 292]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 473 SDtfs, 934 SDslu, 545 SDs, 0 SdLazy, 2306 SolverSat, 696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred 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, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 491 PreInvPairs, 582 NumberOfFragments, 774 HoareAnnotationTreeSize, 491 FomulaSimplifications, 192822 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 53 FomulaSimplificationsInter, 17290 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 83506 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...