/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:07:06,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:07:06,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:07:06,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:07:06,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:07:06,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:07:06,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:07:06,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:07:06,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:07:06,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:07:06,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:07:06,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:07:06,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:07:06,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:07:06,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:07:06,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:07:06,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:07:06,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:07:06,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:07:06,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:07:06,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:07:06,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:07:06,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:07:06,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:07:06,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:07:06,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:07:06,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:07:06,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:07:06,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:07:06,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:07:06,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:07:06,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:07:06,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:07:06,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:07:06,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:07:06,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:07:06,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:07:06,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:07:06,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:07:06,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:07:06,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:07:06,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 21:07:06,567 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:07:06,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:07:06,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:07:06,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:07:06,570 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:07:06,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:07:06,570 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:07:06,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:07:06,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:07:06,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:07:06,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:07:06,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:07:06,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:07:06,573 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:07:06,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:07:06,574 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:07:06,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:07:06,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:07:06,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:07:06,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:07:06,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:07:06,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:07:06,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:07:06,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:07:06,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:07:06,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:07:06,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:07:06,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:07:06,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:07:06,576 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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:07:06,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:07:06,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:07:06,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:07:06,891 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:07:06,891 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:07:06,892 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2020-08-21 21:07:06,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5ca2e8e8/4d1f9c4e39b846f793f2a4f2076d5fe4/FLAGdb41ca932 [2020-08-21 21:07:07,445 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:07:07,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2020-08-21 21:07:07,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5ca2e8e8/4d1f9c4e39b846f793f2a4f2076d5fe4/FLAGdb41ca932 [2020-08-21 21:07:07,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5ca2e8e8/4d1f9c4e39b846f793f2a4f2076d5fe4 [2020-08-21 21:07:07,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:07:07,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:07:07,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:07:07,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:07:07,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:07:07,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:07:07" (1/1) ... [2020-08-21 21:07:07,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f93aad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:07, skipping insertion in model container [2020-08-21 21:07:07,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:07:07" (1/1) ... [2020-08-21 21:07:07,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:07:07,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:07:08,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:07:08,239 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:07:08,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:07:08,370 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:07:08,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08 WrapperNode [2020-08-21 21:07:08,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:07:08,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:07:08,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:07:08,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:07:08,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:07:08,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:07:08,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:07:08,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:07:08,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (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 [2020-08-21 21:07:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:07:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:07:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:07:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:07:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:07:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:07:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:07:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:07:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:07:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:07:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:07:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:07:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:07:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:07:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:07:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:07:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:07:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:07:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:07:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:07:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 21:07:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:07:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-21 21:07:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:07:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:07:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:07:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:07:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:07:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 21:07:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 21:07:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:07:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:07:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:07:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:07:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:07:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:07:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:07:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:07:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:07:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:07:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:07:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:07:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:07:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:07:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:07:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:07:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:07:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:07:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:07:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:07:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:07:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:07:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:07:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:07:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:07:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:07:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:07:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:07:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:07:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:07:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:07:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:07:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:07:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:07:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:07:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:07:08,538 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:07:08,538 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:07:08,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:07:08,538 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 21:07:08,538 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:07:08,538 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:07:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:07:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 21:07:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:07:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 21:07:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:07:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-21 21:07:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:07:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:07:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:07:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:07:09,663 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:07:09,664 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:07:09,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:07:09 BoogieIcfgContainer [2020-08-21 21:07:09,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:07:09,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:07:09,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:07:09,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:07:09,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:07:07" (1/3) ... [2020-08-21 21:07:09,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549004e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:07:09, skipping insertion in model container [2020-08-21 21:07:09,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (2/3) ... [2020-08-21 21:07:09,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549004e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:07:09, skipping insertion in model container [2020-08-21 21:07:09,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:07:09" (3/3) ... [2020-08-21 21:07:09,678 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2020-08-21 21:07:09,689 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:07:09,698 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:07:09,713 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:07:09,743 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:07:09,744 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:07:09,744 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:07:09,744 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:07:09,745 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:07:09,745 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:07:09,745 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:07:09,745 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:07:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-08-21 21:07:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 21:07:09,776 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:09,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:07:09,777 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:09,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:09,782 INFO L82 PathProgramCache]: Analyzing trace with hash -537699629, now seen corresponding path program 1 times [2020-08-21 21:07:09,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:09,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519732781] [2020-08-21 21:07:09,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,456 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:10,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:07:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 21:07:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:10,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519732781] [2020-08-21 21:07:10,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:10,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 21:07:10,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029315623] [2020-08-21 21:07:10,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 21:07:10,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:10,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 21:07:10,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 21:07:10,614 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-08-21 21:07:11,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:11,783 INFO L93 Difference]: Finished difference Result 246 states and 327 transitions. [2020-08-21 21:07:11,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 21:07:11,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 21:07:11,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:11,807 INFO L225 Difference]: With dead ends: 246 [2020-08-21 21:07:11,807 INFO L226 Difference]: Without dead ends: 134 [2020-08-21 21:07:11,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 21:07:11,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-21 21:07:11,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 103. [2020-08-21 21:07:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-08-21 21:07:11,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2020-08-21 21:07:11,967 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 46 [2020-08-21 21:07:11,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:11,969 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2020-08-21 21:07:11,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 21:07:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2020-08-21 21:07:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 21:07:11,976 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:11,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:07:11,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:07:11,977 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:11,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:11,977 INFO L82 PathProgramCache]: Analyzing trace with hash -457090641, now seen corresponding path program 1 times [2020-08-21 21:07:11,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:11,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593598124] [2020-08-21 21:07:11,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,402 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 21:07:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 21:07:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:12,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1593598124] [2020-08-21 21:07:12,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:12,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:07:12,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720303456] [2020-08-21 21:07:12,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:07:12,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:12,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:07:12,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:07:12,470 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 4 states. [2020-08-21 21:07:12,903 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:07:13,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:13,539 INFO L93 Difference]: Finished difference Result 175 states and 214 transitions. [2020-08-21 21:07:13,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:07:13,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 21:07:13,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:13,542 INFO L225 Difference]: With dead ends: 175 [2020-08-21 21:07:13,542 INFO L226 Difference]: Without dead ends: 118 [2020-08-21 21:07:13,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:07:13,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-21 21:07:13,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94. [2020-08-21 21:07:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-21 21:07:13,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-08-21 21:07:13,591 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 47 [2020-08-21 21:07:13,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:13,591 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-08-21 21:07:13,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:07:13,592 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-08-21 21:07:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 21:07:13,603 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:13,603 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] [2020-08-21 21:07:13,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:07:13,604 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:13,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:13,604 INFO L82 PathProgramCache]: Analyzing trace with hash 333200884, now seen corresponding path program 1 times [2020-08-21 21:07:13,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:13,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526474025] [2020-08-21 21:07:13,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:13,991 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:13,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:14,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:14,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:14,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:14,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:14,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 21:07:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:14,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 21:07:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:14,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526474025] [2020-08-21 21:07:14,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:14,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 21:07:14,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779811151] [2020-08-21 21:07:14,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:07:14,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:14,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:07:14,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:07:14,092 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 8 states. [2020-08-21 21:07:14,486 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:07:14,764 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:15,008 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:15,239 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:16,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:16,126 INFO L93 Difference]: Finished difference Result 188 states and 232 transitions. [2020-08-21 21:07:16,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:07:16,133 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 21:07:16,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:16,136 INFO L225 Difference]: With dead ends: 188 [2020-08-21 21:07:16,136 INFO L226 Difference]: Without dead ends: 118 [2020-08-21 21:07:16,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:07:16,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-21 21:07:16,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94. [2020-08-21 21:07:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-21 21:07:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2020-08-21 21:07:16,180 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 52 [2020-08-21 21:07:16,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:16,181 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2020-08-21 21:07:16,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:07:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2020-08-21 21:07:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 21:07:16,182 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:16,183 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] [2020-08-21 21:07:16,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:07:16,183 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:16,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:16,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1103427225, now seen corresponding path program 1 times [2020-08-21 21:07:16,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:16,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17532781] [2020-08-21 21:07:16,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,478 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:16,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 21:07:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:07:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-21 21:07:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 21:07:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:16,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17532781] [2020-08-21 21:07:16,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:16,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 21:07:16,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132216854] [2020-08-21 21:07:16,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:07:16,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:16,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:07:16,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:07:16,575 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 8 states. [2020-08-21 21:07:16,913 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:07:17,759 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:18,066 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:07:18,577 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:18,816 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:19,182 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:07:19,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:19,628 INFO L93 Difference]: Finished difference Result 294 states and 387 transitions. [2020-08-21 21:07:19,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 21:07:19,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-08-21 21:07:19,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:19,634 INFO L225 Difference]: With dead ends: 294 [2020-08-21 21:07:19,634 INFO L226 Difference]: Without dead ends: 224 [2020-08-21 21:07:19,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 21:07:19,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-08-21 21:07:19,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 155. [2020-08-21 21:07:19,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-08-21 21:07:19,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2020-08-21 21:07:19,685 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 60 [2020-08-21 21:07:19,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:19,686 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2020-08-21 21:07:19,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:07:19,686 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2020-08-21 21:07:19,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 21:07:19,687 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:19,688 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] [2020-08-21 21:07:19,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:07:19,688 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:19,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:19,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1952098603, now seen corresponding path program 1 times [2020-08-21 21:07:19,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:19,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122355114] [2020-08-21 21:07:19,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:19,960 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:19,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:19,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:19,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:20,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 21:07:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:20,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 21:07:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:20,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:07:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:20,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 21:07:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:20,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 21:07:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:20,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122355114] [2020-08-21 21:07:20,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:20,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:07:20,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411059121] [2020-08-21 21:07:20,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:07:20,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:20,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:07:20,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:07:20,079 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand 9 states. [2020-08-21 21:07:20,505 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:07:21,312 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:21,578 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:21,820 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:22,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:22,029 INFO L93 Difference]: Finished difference Result 281 states and 348 transitions. [2020-08-21 21:07:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:07:22,033 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 21:07:22,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:22,034 INFO L225 Difference]: With dead ends: 281 [2020-08-21 21:07:22,034 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:07:22,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-21 21:07:22,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:07:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:07:22,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:07:22,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:07:22,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-08-21 21:07:22,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:22,038 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:07:22,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:07:22,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:07:22,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:07:22,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:07:22,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:07:23,892 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 21:07:24,062 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:24,285 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 21:07:24,449 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 21:07:24,783 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 21:07:24,949 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 21:07:25,268 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-21 21:07:25,588 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 21:07:25,781 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:26,089 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 21:07:26,427 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-21 21:07:26,633 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:26,936 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 21:07:27,273 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 21:07:27,433 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:27,627 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:27,805 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:27,972 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 21:07:28,157 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:28,360 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 21:07:28,597 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 21:07:28,602 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-08-21 21:07:28,602 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-08-21 21:07:28,603 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-21 21:07:28,603 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-21 21:07:28,603 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-21 21:07:28,603 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-08-21 21:07:28,603 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-08-21 21:07:28,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-08-21 21:07:28,604 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-08-21 21:07:28,604 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-21 21:07:28,604 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-08-21 21:07:28,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-08-21 21:07:28,605 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-08-21 21:07:28,605 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-08-21 21:07:28,605 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-08-21 21:07:28,605 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-08-21 21:07:28,605 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-21 21:07:28,605 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-08-21 21:07:28,605 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 513 519) the Hoare annotation is: true [2020-08-21 21:07:28,605 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 513 519) no Hoare annotation was computed. [2020-08-21 21:07:28,606 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 520 528) no Hoare annotation was computed. [2020-08-21 21:07:28,606 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 520 528) the Hoare annotation is: true [2020-08-21 21:07:28,606 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 520 528) no Hoare annotation was computed. [2020-08-21 21:07:28,606 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 605 627) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,606 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2020-08-21 21:07:28,606 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2020-08-21 21:07:28,606 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,607 INFO L264 CegarLoopResult]: At program point L617-1(line 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,607 INFO L268 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2020-08-21 21:07:28,607 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2020-08-21 21:07:28,607 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-08-21 21:07:28,607 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,607 INFO L264 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,608 INFO L264 CegarLoopResult]: At program point L611-1(line 611) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,608 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 21:07:28,608 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-21 21:07:28,608 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 563 586) no Hoare annotation was computed. [2020-08-21 21:07:28,608 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-21 21:07:28,608 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 21:07:28,608 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-08-21 21:07:28,609 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 563 586) no Hoare annotation was computed. [2020-08-21 21:07:28,609 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-21 21:07:28,609 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 563 586) no Hoare annotation was computed. [2020-08-21 21:07:28,609 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 21:07:28,609 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-08-21 21:07:28,609 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-21 21:07:28,609 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 21:07:28,609 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-08-21 21:07:28,609 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 21:07:28,610 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-21 21:07:28,610 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-21 21:07:28,610 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 734) no Hoare annotation was computed. [2020-08-21 21:07:28,610 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 728 734) the Hoare annotation is: true [2020-08-21 21:07:28,610 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 761 768) no Hoare annotation was computed. [2020-08-21 21:07:28,610 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 761 768) no Hoare annotation was computed. [2020-08-21 21:07:28,610 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 761 768) no Hoare annotation was computed. [2020-08-21 21:07:28,610 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 805 813) no Hoare annotation was computed. [2020-08-21 21:07:28,610 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 805 813) the Hoare annotation is: true [2020-08-21 21:07:28,610 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 805 813) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point L833(lines 833 841) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point L821(lines 821 829) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point L821-2(lines 821 829) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 814 849) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 814 849) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 814 849) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 506 512) no Hoare annotation was computed. [2020-08-21 21:07:28,611 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 506 512) the Hoare annotation is: true [2020-08-21 21:07:28,611 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-08-21 21:07:28,612 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-08-21 21:07:28,612 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-08-21 21:07:28,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-08-21 21:07:28,612 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-08-21 21:07:28,612 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-08-21 21:07:28,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-08-21 21:07:28,612 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-08-21 21:07:28,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-08-21 21:07:28,612 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 595 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,612 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2020-08-21 21:07:28,613 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2020-08-21 21:07:28,613 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 794 804) the Hoare annotation is: true [2020-08-21 21:07:28,613 INFO L271 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: true [2020-08-21 21:07:28,613 INFO L268 CegarLoopResult]: For program point L799-1(line 799) no Hoare annotation was computed. [2020-08-21 21:07:28,613 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 794 804) no Hoare annotation was computed. [2020-08-21 21:07:28,613 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 794 804) no Hoare annotation was computed. [2020-08-21 21:07:28,613 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 786 793) the Hoare annotation is: true [2020-08-21 21:07:28,613 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2020-08-21 21:07:28,613 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 786 793) no Hoare annotation was computed. [2020-08-21 21:07:28,613 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 736 760) no Hoare annotation was computed. [2020-08-21 21:07:28,613 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 736 760) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:28,614 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:28,614 INFO L268 CegarLoopResult]: For program point L755-1(lines 736 760) no Hoare annotation was computed. [2020-08-21 21:07:28,614 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:28,614 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:28,614 INFO L268 CegarLoopResult]: For program point L744(lines 744 752) no Hoare annotation was computed. [2020-08-21 21:07:28,614 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:28,614 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-08-21 21:07:28,614 INFO L268 CegarLoopResult]: For program point L740(lines 740 757) no Hoare annotation was computed. [2020-08-21 21:07:28,614 INFO L264 CegarLoopResult]: At program point testENTRY(lines 630 695) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,615 INFO L268 CegarLoopResult]: For program point testFINAL(lines 630 695) no Hoare annotation was computed. [2020-08-21 21:07:28,615 INFO L264 CegarLoopResult]: At program point L688(lines 639 689) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,615 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-08-21 21:07:28,615 INFO L264 CegarLoopResult]: At program point L678-2(lines 670 683) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,615 INFO L268 CegarLoopResult]: For program point L641(lines 640 687) no Hoare annotation was computed. [2020-08-21 21:07:28,615 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,615 INFO L268 CegarLoopResult]: For program point L670(lines 670 683) no Hoare annotation was computed. [2020-08-21 21:07:28,615 INFO L264 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,615 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-08-21 21:07:28,615 INFO L268 CegarLoopResult]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L264 CegarLoopResult]: At program point L685(lines 640 687) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,616 INFO L264 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point testEXIT(lines 630 695) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point L642(lines 642 646) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-08-21 21:07:28,616 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-08-21 21:07:28,617 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 496 505) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 496 505) no Hoare annotation was computed. [2020-08-21 21:07:28,618 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 496 505) no Hoare annotation was computed. [2020-08-21 21:07:28,619 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:07:28,619 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.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~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 21:07:28,619 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:07:28,619 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-08-21 21:07:28,619 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 769 785) no Hoare annotation was computed. [2020-08-21 21:07:28,619 INFO L268 CegarLoopResult]: For program point L780-1(lines 769 785) no Hoare annotation was computed. [2020-08-21 21:07:28,619 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 769 785) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point L776(lines 776 782) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point L774-1(line 774) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:07:28,620 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:07:28,621 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-21 21:07:28,621 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-21 21:07:28,621 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-21 21:07:28,621 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 704 727) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:28,621 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:28,621 INFO L264 CegarLoopResult]: At program point L715(lines 715 721) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:28,621 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 704 727) no Hoare annotation was computed. [2020-08-21 21:07:28,621 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 704 727) no Hoare annotation was computed. [2020-08-21 21:07:28,621 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:28,621 INFO L268 CegarLoopResult]: For program point L708(lines 707 726) no Hoare annotation was computed. [2020-08-21 21:07:28,621 INFO L271 CegarLoopResult]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2020-08-21 21:07:28,622 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2020-08-21 21:07:28,622 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-08-21 21:07:28,622 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2020-08-21 21:07:28,622 INFO L271 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2020-08-21 21:07:28,622 INFO L271 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: true [2020-08-21 21:07:28,622 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-08-21 21:07:28,622 INFO L271 CegarLoopResult]: At program point L557(lines 532 561) the Hoare annotation is: true [2020-08-21 21:07:28,622 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 21:07:28,622 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-08-21 21:07:28,622 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-21 21:07:28,623 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-21 21:07:28,623 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-21 21:07:28,623 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2020-08-21 21:07:28,623 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2020-08-21 21:07:28,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:07:28,623 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 21:07:28,623 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:07:28,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:07:28,624 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2020-08-21 21:07:28,624 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-21 21:07:28,624 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2020-08-21 21:07:28,624 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-21 21:07:28,624 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-21 21:07:28,624 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:07:28,624 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2020-08-21 21:07:28,625 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-08-21 21:07:28,625 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2020-08-21 21:07:28,625 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2020-08-21 21:07:28,625 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-08-21 21:07:28,625 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 860 884) the Hoare annotation is: true [2020-08-21 21:07:28,625 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 860 884) no Hoare annotation was computed. [2020-08-21 21:07:28,625 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:07:28,625 INFO L268 CegarLoopResult]: For program point L872(lines 872 878) no Hoare annotation was computed. [2020-08-21 21:07:28,626 INFO L264 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:07:28,626 INFO L268 CegarLoopResult]: For program point L870-1(line 870) no Hoare annotation was computed. [2020-08-21 21:07:28,626 INFO L268 CegarLoopResult]: For program point L868(lines 868 881) no Hoare annotation was computed. [2020-08-21 21:07:28,626 INFO L268 CegarLoopResult]: For program point L868-1(lines 860 884) no Hoare annotation was computed. [2020-08-21 21:07:28,626 INFO L271 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: true [2020-08-21 21:07:28,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:07:28 BoogieIcfgContainer [2020-08-21 21:07:28,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:07:28,646 INFO L168 Benchmark]: Toolchain (without parser) took 20914.96 ms. Allocated memory was 140.5 MB in the beginning and 533.2 MB in the end (delta: 392.7 MB). Free memory was 103.0 MB in the beginning and 240.7 MB in the end (delta: -137.7 MB). Peak memory consumption was 379.9 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:28,647 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 21:07:28,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.41 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 174.8 MB in the end (delta: -72.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:28,649 INFO L168 Benchmark]: Boogie Preprocessor took 92.50 ms. Allocated memory is still 205.5 MB. Free memory was 174.8 MB in the beginning and 170.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:28,650 INFO L168 Benchmark]: RCFGBuilder took 1205.39 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 170.4 MB in the beginning and 200.4 MB in the end (delta: -30.0 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:28,650 INFO L168 Benchmark]: TraceAbstraction took 18973.44 ms. Allocated memory was 236.5 MB in the beginning and 533.2 MB in the end (delta: 296.7 MB). Free memory was 199.0 MB in the beginning and 240.7 MB in the end (delta: -41.8 MB). Peak memory consumption was 379.9 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:28,654 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.41 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 174.8 MB in the end (delta: -72.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.50 ms. Allocated memory is still 205.5 MB. Free memory was 174.8 MB in the beginning and 170.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1205.39 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 170.4 MB in the beginning and 200.4 MB in the end (delta: -30.0 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18973.44 ms. Allocated memory was 236.5 MB in the beginning and 533.2 MB in the end (delta: 296.7 MB). Free memory was 199.0 MB in the beginning and 240.7 MB in the end (delta: -41.8 MB). Peak memory consumption was 379.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: 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: 12.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 419 SDtfs, 582 SDslu, 290 SDs, 0 SdLazy, 1526 SolverSat, 393 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 245 PreInvPairs, 275 NumberOfFragments, 722 HoareAnnotationTreeSize, 245 FomulaSimplifications, 40907 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 50 FomulaSimplificationsInter, 7503 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 75562 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...