/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:39:48,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 21:39:48,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 21:39:48,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 21:39:48,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 21:39:48,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 21:39:48,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 21:39:48,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 21:39:48,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 21:39:48,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 21:39:48,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 21:39:48,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 21:39:48,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:39:48,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:39:48,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:39:48,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:39:48,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:39:48,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:39:48,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:39:48,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:39:48,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:39:48,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:39:48,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:39:48,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:39:48,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 21:39:48,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 21:39:48,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 21:39:48,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 21:39:48,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 21:39:48,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 21:39:48,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 21:39:48,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 21:39:48,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 21:39:48,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 21:39:48,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 21:39:48,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 21:39:48,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 21:39:48,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 21:39:48,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:39:48,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:39:48,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:39:48,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 21:39:48,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:39:48,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:39:48,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:39:48,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:39:48,405 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:39:48,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:39:48,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:39:48,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:39:48,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:39:48,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:39:48,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:39:48,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:39:48,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:39:48,408 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:39:48,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:39:48,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:39:48,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:39:48,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:39:48,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:39:48,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:39:48,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:39:48,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:39:48,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:39:48,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:39:48,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:39:48,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:39:48,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:39:48,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:39:48,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:39:48,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; [2020-08-18 21:39:48,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:39:48,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:39:48,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:39:48,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:39:48,762 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:39:48,763 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2020-08-18 21:39:48,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/477fd75ad/09cb665b7ecd42e793d52ca8c3f653ca/FLAGacb1a2fbb [2020-08-18 21:39:49,335 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:39:49,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2020-08-18 21:39:49,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/477fd75ad/09cb665b7ecd42e793d52ca8c3f653ca/FLAGacb1a2fbb [2020-08-18 21:39:49,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/477fd75ad/09cb665b7ecd42e793d52ca8c3f653ca [2020-08-18 21:39:49,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:39:49,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:39:49,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:39:49,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:39:49,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:39:49,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:39:49" (1/1) ... [2020-08-18 21:39:49,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21046f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:49, skipping insertion in model container [2020-08-18 21:39:49,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:39:49" (1/1) ... [2020-08-18 21:39:49,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:39:49,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:39:50,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:39:50,239 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:39:50,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:39:50,379 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:39:50,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50 WrapperNode [2020-08-18 21:39:50,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:39:50,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:39:50,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:39:50,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:39:50,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ... [2020-08-18 21:39:50,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ... [2020-08-18 21:39:50,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ... [2020-08-18 21:39:50,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ... [2020-08-18 21:39:50,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ... [2020-08-18 21:39:50,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ... [2020-08-18 21:39:50,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ... [2020-08-18 21:39:50,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:39:50,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:39:50,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:39:50,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:39:50,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:39:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:39:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:39:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 21:39:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 21:39:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 21:39:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 21:39:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 21:39:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 21:39:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 21:39:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 21:39:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 21:39:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 21:39:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 21:39:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 21:39:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 21:39:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 21:39:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 21:39:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 21:39:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 21:39:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 21:39:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 21:39:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 21:39:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 21:39:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 21:39:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:39:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 21:39:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 21:39:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 21:39:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 21:39:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 21:39:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 21:39:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 21:39:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 21:39:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 21:39:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 21:39:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 21:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 21:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 21:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 21:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 21:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 21:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 21:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 21:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 21:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 21:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 21:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 21:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 21:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 21:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 21:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 21:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 21:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 21:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 21:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 21:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 21:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 21:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 21:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 21:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 21:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 21:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 21:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 21:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 21:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 21:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 21:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 21:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 21:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 21:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 21:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 21:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 21:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 21:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 21:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 21:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 21:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 21:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 21:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 21:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 21:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 21:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:39:51,700 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:39:51,700 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 21:39:51,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:39:51 BoogieIcfgContainer [2020-08-18 21:39:51,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:39:51,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:39:51,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:39:51,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:39:51,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:39:49" (1/3) ... [2020-08-18 21:39:51,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366c3dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:39:51, skipping insertion in model container [2020-08-18 21:39:51,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (2/3) ... [2020-08-18 21:39:51,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366c3dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:39:51, skipping insertion in model container [2020-08-18 21:39:51,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:39:51" (3/3) ... [2020-08-18 21:39:51,714 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2020-08-18 21:39:51,725 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:39:51,733 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:39:51,748 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:39:51,771 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:39:51,771 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:39:51,771 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:39:51,772 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:39:51,772 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:39:51,772 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:39:51,772 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:39:51,772 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:39:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-08-18 21:39:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 21:39:51,804 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:39:51,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:39:51,806 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:39:51,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:39:51,813 INFO L82 PathProgramCache]: Analyzing trace with hash -655314602, now seen corresponding path program 1 times [2020-08-18 21:39:51,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:39:51,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893013219] [2020-08-18 21:39:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:39:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:52,491 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:39:52,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:39:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:52,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:39:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:52,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:39:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:52,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:39:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:52,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:39:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:52,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 21:39:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:52,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:39:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:39:52,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893013219] [2020-08-18 21:39:52,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:39:52,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 21:39:52,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081662748] [2020-08-18 21:39:52,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 21:39:52,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:39:52,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 21:39:52,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 21:39:52,613 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 3 states. [2020-08-18 21:39:53,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:39:53,598 INFO L93 Difference]: Finished difference Result 237 states and 317 transitions. [2020-08-18 21:39:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 21:39:53,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 21:39:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:39:53,614 INFO L225 Difference]: With dead ends: 237 [2020-08-18 21:39:53,615 INFO L226 Difference]: Without dead ends: 129 [2020-08-18 21:39:53,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 21:39:53,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-18 21:39:53,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-08-18 21:39:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 21:39:53,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2020-08-18 21:39:53,707 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2020-08-18 21:39:53,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:39:53,708 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2020-08-18 21:39:53,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 21:39:53,708 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2020-08-18 21:39:53,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 21:39:53,712 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:39:53,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:39:53,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:39:53,713 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:39:53,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:39:53,713 INFO L82 PathProgramCache]: Analyzing trace with hash 680244835, now seen corresponding path program 1 times [2020-08-18 21:39:53,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:39:53,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247713611] [2020-08-18 21:39:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:39:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:54,036 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:39:54,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:39:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:54,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:39:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:54,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:39:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:54,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:39:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:39:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:54,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 21:39:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:54,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 21:39:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:39:54,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247713611] [2020-08-18 21:39:54,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:39:54,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 21:39:54,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570461248] [2020-08-18 21:39:54,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 21:39:54,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:39:54,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 21:39:54,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 21:39:54,108 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 4 states. [2020-08-18 21:39:54,531 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:39:55,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:39:55,069 INFO L93 Difference]: Finished difference Result 170 states and 208 transitions. [2020-08-18 21:39:55,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:39:55,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 21:39:55,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:39:55,073 INFO L225 Difference]: With dead ends: 170 [2020-08-18 21:39:55,073 INFO L226 Difference]: Without dead ends: 113 [2020-08-18 21:39:55,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:39:55,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-08-18 21:39:55,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2020-08-18 21:39:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-18 21:39:55,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-08-18 21:39:55,141 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2020-08-18 21:39:55,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:39:55,141 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-08-18 21:39:55,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 21:39:55,141 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-08-18 21:39:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 21:39:55,144 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:39:55,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:39:55,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:39:55,144 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:39:55,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:39:55,145 INFO L82 PathProgramCache]: Analyzing trace with hash -361884353, now seen corresponding path program 1 times [2020-08-18 21:39:55,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:39:55,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787438613] [2020-08-18 21:39:55,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:39:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:55,474 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:39:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:39:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:55,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:39:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:39:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:39:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:55,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:39:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:55,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:39:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:55,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 21:39:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:39:55,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787438613] [2020-08-18 21:39:55,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:39:55,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 21:39:55,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733583422] [2020-08-18 21:39:55,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:39:55,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:39:55,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:39:55,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:39:55,569 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 8 states. [2020-08-18 21:39:55,913 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:39:56,220 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:39:56,449 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:39:56,687 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:39:57,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:39:57,532 INFO L93 Difference]: Finished difference Result 179 states and 222 transitions. [2020-08-18 21:39:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:39:57,533 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 21:39:57,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:39:57,536 INFO L225 Difference]: With dead ends: 179 [2020-08-18 21:39:57,536 INFO L226 Difference]: Without dead ends: 113 [2020-08-18 21:39:57,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:39:57,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-08-18 21:39:57,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2020-08-18 21:39:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-18 21:39:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2020-08-18 21:39:57,566 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2020-08-18 21:39:57,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:39:57,567 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2020-08-18 21:39:57,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:39:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2020-08-18 21:39:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 21:39:57,569 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:39:57,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:39:57,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:39:57,570 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:39:57,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:39:57,570 INFO L82 PathProgramCache]: Analyzing trace with hash -670224991, now seen corresponding path program 1 times [2020-08-18 21:39:57,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:39:57,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120285715] [2020-08-18 21:39:57,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:39:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:57,896 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:39:57,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:39:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:39:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:57,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:39:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:57,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:39:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:57,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:39:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:57,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 21:39:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:57,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:39:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:57,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 21:39:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:58,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 21:39:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:39:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:39:58,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120285715] [2020-08-18 21:39:58,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:39:58,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 21:39:58,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811887778] [2020-08-18 21:39:58,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:39:58,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:39:58,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:39:58,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:39:58,022 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 8 states. [2020-08-18 21:39:58,386 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:39:59,161 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:39:59,497 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:39:59,981 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:00,211 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:00,594 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:40:00,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:40:00,984 INFO L93 Difference]: Finished difference Result 279 states and 369 transitions. [2020-08-18 21:40:00,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 21:40:00,986 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 21:40:00,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:40:00,990 INFO L225 Difference]: With dead ends: 279 [2020-08-18 21:40:00,990 INFO L226 Difference]: Without dead ends: 213 [2020-08-18 21:40:00,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:40:00,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-08-18 21:40:01,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 147. [2020-08-18 21:40:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-08-18 21:40:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2020-08-18 21:40:01,040 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2020-08-18 21:40:01,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:40:01,042 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2020-08-18 21:40:01,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:40:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2020-08-18 21:40:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 21:40:01,048 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:40:01,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:40:01,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:40:01,049 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:40:01,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:40:01,049 INFO L82 PathProgramCache]: Analyzing trace with hash 38376037, now seen corresponding path program 1 times [2020-08-18 21:40:01,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:40:01,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615370058] [2020-08-18 21:40:01,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:40:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,401 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:40:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:40:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:40:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:40:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:40:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:40:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 21:40:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 21:40:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:40:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 21:40:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 21:40:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:40:01,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615370058] [2020-08-18 21:40:01,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:40:01,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 21:40:01,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634413590] [2020-08-18 21:40:01,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:40:01,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:40:01,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:40:01,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:40:01,532 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 9 states. [2020-08-18 21:40:01,923 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:40:02,789 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:03,026 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:03,266 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:40:03,433 INFO L93 Difference]: Finished difference Result 263 states and 328 transitions. [2020-08-18 21:40:03,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:40:03,434 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-18 21:40:03,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:40:03,435 INFO L225 Difference]: With dead ends: 263 [2020-08-18 21:40:03,435 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:40:03,442 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 [2020-08-18 21:40:03,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:40:03,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:40:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:40:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:40:03,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-18 21:40:03,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:40:03,446 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:40:03,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:40:03,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:40:03,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:40:03,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:40:03,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:40:05,294 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 21:40:05,454 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:05,610 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 21:40:05,910 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 21:40:06,239 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 21:40:06,419 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 21:40:06,629 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:06,794 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 21:40:07,103 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 21:40:07,258 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:07,414 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:07,595 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:07,855 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:40:08,012 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 21:40:08,324 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 21:40:08,652 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-18 21:40:08,810 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 21:40:09,023 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 21:40:09,324 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 21:40:09,495 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:09,521 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 21:40:09,521 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 21:40:09,521 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 21:40:09,521 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 21:40:09,522 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 21:40:09,522 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 21:40:09,522 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 21:40:09,522 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 21:40:09,522 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 21:40:09,522 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 21:40:09,522 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 21:40:09,522 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 21:40:09,523 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 21:40:09,523 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 21:40:09,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 21:40:09,523 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 21:40:09,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 21:40:09,523 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 21:40:09,523 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2020-08-18 21:40:09,523 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2020-08-18 21:40:09,523 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2020-08-18 21:40:09,524 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2020-08-18 21:40:09,524 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2020-08-18 21:40:09,524 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:09,524 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2020-08-18 21:40:09,524 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 21:40:09,524 INFO L264 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 21:40:09,525 INFO L268 CegarLoopResult]: For program point L624(lines 624 631) no Hoare annotation was computed. [2020-08-18 21:40:09,525 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2020-08-18 21:40:09,525 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-08-18 21:40:09,525 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:09,525 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2020-08-18 21:40:09,525 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:09,526 INFO L264 CegarLoopResult]: At program point L620-1(line 620) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:09,526 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 21:40:09,526 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 572 595) no Hoare annotation was computed. [2020-08-18 21:40:09,526 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 572 595) no Hoare annotation was computed. [2020-08-18 21:40:09,526 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 572 595) no Hoare annotation was computed. [2020-08-18 21:40:09,526 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-08-18 21:40:09,526 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-18 21:40:09,526 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 21:40:09,527 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 21:40:09,527 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-18 21:40:09,527 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-08-18 21:40:09,527 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-08-18 21:40:09,527 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-18 21:40:09,527 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-08-18 21:40:09,527 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-08-18 21:40:09,527 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-18 21:40:09,528 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-18 21:40:09,528 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 21:40:09,528 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 759 765) no Hoare annotation was computed. [2020-08-18 21:40:09,528 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 759 765) the Hoare annotation is: true [2020-08-18 21:40:09,528 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 792 799) no Hoare annotation was computed. [2020-08-18 21:40:09,528 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 792 799) no Hoare annotation was computed. [2020-08-18 21:40:09,528 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 792 799) no Hoare annotation was computed. [2020-08-18 21:40:09,528 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 836 844) no Hoare annotation was computed. [2020-08-18 21:40:09,528 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 836 844) the Hoare annotation is: true [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 836 844) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point L864(lines 864 872) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point L864-2(lines 864 872) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point L852(lines 852 860) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point L852-2(lines 852 860) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 845 880) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 845 880) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 845 880) no Hoare annotation was computed. [2020-08-18 21:40:09,529 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2020-08-18 21:40:09,530 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2020-08-18 21:40:09,530 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 21:40:09,530 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 21:40:09,530 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 21:40:09,530 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 21:40:09,530 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 21:40:09,530 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 21:40:09,530 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 21:40:09,530 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 21:40:09,530 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 21:40:09,531 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:09,531 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2020-08-18 21:40:09,531 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2020-08-18 21:40:09,531 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 825 835) the Hoare annotation is: true [2020-08-18 21:40:09,531 INFO L271 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: true [2020-08-18 21:40:09,531 INFO L268 CegarLoopResult]: For program point L830-1(line 830) no Hoare annotation was computed. [2020-08-18 21:40:09,531 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 825 835) no Hoare annotation was computed. [2020-08-18 21:40:09,531 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 825 835) no Hoare annotation was computed. [2020-08-18 21:40:09,531 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 817 824) the Hoare annotation is: true [2020-08-18 21:40:09,531 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 817 824) no Hoare annotation was computed. [2020-08-18 21:40:09,531 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 817 824) no Hoare annotation was computed. [2020-08-18 21:40:09,532 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 767 791) no Hoare annotation was computed. [2020-08-18 21:40:09,532 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 767 791) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:09,532 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:09,532 INFO L268 CegarLoopResult]: For program point L786-1(lines 767 791) no Hoare annotation was computed. [2020-08-18 21:40:09,532 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:09,532 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:09,532 INFO L268 CegarLoopResult]: For program point L775(lines 775 783) no Hoare annotation was computed. [2020-08-18 21:40:09,532 INFO L264 CegarLoopResult]: At program point L773(line 773) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:09,532 INFO L268 CegarLoopResult]: For program point L773-1(line 773) no Hoare annotation was computed. [2020-08-18 21:40:09,533 INFO L268 CegarLoopResult]: For program point L771(lines 771 788) no Hoare annotation was computed. [2020-08-18 21:40:09,533 INFO L264 CegarLoopResult]: At program point testENTRY(lines 665 728) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:09,533 INFO L268 CegarLoopResult]: For program point testFINAL(lines 665 728) no Hoare annotation was computed. [2020-08-18 21:40:09,533 INFO L264 CegarLoopResult]: At program point L721(lines 674 722) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 21:40:09,533 INFO L268 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2020-08-18 21:40:09,533 INFO L264 CegarLoopResult]: At program point L711-2(lines 705 716) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 21:40:09,533 INFO L268 CegarLoopResult]: For program point L676(lines 675 720) no Hoare annotation was computed. [2020-08-18 21:40:09,534 INFO L268 CegarLoopResult]: For program point L705(lines 705 716) no Hoare annotation was computed. [2020-08-18 21:40:09,534 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 21:40:09,534 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-08-18 21:40:09,534 INFO L268 CegarLoopResult]: For program point L695-1(lines 695 701) no Hoare annotation was computed. [2020-08-18 21:40:09,534 INFO L264 CegarLoopResult]: At program point L687(line 687) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 21:40:09,534 INFO L264 CegarLoopResult]: At program point L718(lines 675 720) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 21:40:09,535 INFO L268 CegarLoopResult]: For program point L685(lines 685 691) no Hoare annotation was computed. [2020-08-18 21:40:09,535 INFO L268 CegarLoopResult]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2020-08-18 21:40:09,535 INFO L268 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2020-08-18 21:40:09,535 INFO L268 CegarLoopResult]: For program point testEXIT(lines 665 728) no Hoare annotation was computed. [2020-08-18 21:40:09,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 21:40:09,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 21:40:09,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 21:40:09,535 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point L467-2(lines 467 475) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 459 481) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point L467(lines 467 475) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 21:40:09,536 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 505 514) no Hoare annotation was computed. [2020-08-18 21:40:09,537 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 505 514) no Hoare annotation was computed. [2020-08-18 21:40:09,538 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 505 514) no Hoare annotation was computed. [2020-08-18 21:40:09,538 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:40:09,538 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)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.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~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.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~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.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)|)) [2020-08-18 21:40:09,538 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:40:09,538 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 800 816) no Hoare annotation was computed. [2020-08-18 21:40:09,538 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-18 21:40:09,538 INFO L268 CegarLoopResult]: For program point L811-1(lines 800 816) no Hoare annotation was computed. [2020-08-18 21:40:09,538 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 800 816) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point L807(lines 807 813) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 482 490) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 482 490) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2020-08-18 21:40:09,539 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2020-08-18 21:40:09,540 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 450 458) the Hoare annotation is: true [2020-08-18 21:40:09,540 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2020-08-18 21:40:09,540 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2020-08-18 21:40:09,540 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 735 758) 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))) [2020-08-18 21:40:09,540 INFO L264 CegarLoopResult]: At program point L748(line 748) 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))) [2020-08-18 21:40:09,540 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 735 758) no Hoare annotation was computed. [2020-08-18 21:40:09,540 INFO L264 CegarLoopResult]: At program point L746(lines 746 752) 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))) [2020-08-18 21:40:09,540 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 735 758) no Hoare annotation was computed. [2020-08-18 21:40:09,540 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:09,540 INFO L268 CegarLoopResult]: For program point L739(lines 738 757) no Hoare annotation was computed. [2020-08-18 21:40:09,540 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2020-08-18 21:40:09,541 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2020-08-18 21:40:09,541 INFO L271 CegarLoopResult]: At program point L566(lines 541 570) the Hoare annotation is: true [2020-08-18 21:40:09,541 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-18 21:40:09,541 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-08-18 21:40:09,541 INFO L271 CegarLoopResult]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2020-08-18 21:40:09,541 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-08-18 21:40:09,541 INFO L271 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2020-08-18 21:40:09,541 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-08-18 21:40:09,541 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-08-18 21:40:09,541 INFO L268 CegarLoopResult]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2020-08-18 21:40:09,542 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2020-08-18 21:40:09,542 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2020-08-18 21:40:09,542 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2020-08-18 21:40:09,542 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2020-08-18 21:40:09,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:40:09,542 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 21:40:09,542 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:40:09,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:40:09,542 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2020-08-18 21:40:09,542 INFO L268 CegarLoopResult]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2020-08-18 21:40:09,543 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 21:40:09,543 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2020-08-18 21:40:09,543 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-08-18 21:40:09,543 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2020-08-18 21:40:09,543 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2020-08-18 21:40:09,543 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 639 663) the Hoare annotation is: true [2020-08-18 21:40:09,544 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 639 663) no Hoare annotation was computed. [2020-08-18 21:40:09,544 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 21:40:09,544 INFO L268 CegarLoopResult]: For program point L651(lines 651 657) no Hoare annotation was computed. [2020-08-18 21:40:09,544 INFO L264 CegarLoopResult]: At program point L649(line 649) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 21:40:09,544 INFO L268 CegarLoopResult]: For program point L649-1(line 649) no Hoare annotation was computed. [2020-08-18 21:40:09,544 INFO L268 CegarLoopResult]: For program point L647(lines 647 660) no Hoare annotation was computed. [2020-08-18 21:40:09,544 INFO L268 CegarLoopResult]: For program point L647-1(lines 639 663) no Hoare annotation was computed. [2020-08-18 21:40:09,545 INFO L271 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: true [2020-08-18 21:40:09,545 INFO L268 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-08-18 21:40:09,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:40:09 BoogieIcfgContainer [2020-08-18 21:40:09,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:40:09,564 INFO L168 Benchmark]: Toolchain (without parser) took 19886.62 ms. Allocated memory was 138.4 MB in the beginning and 581.4 MB in the end (delta: 443.0 MB). Free memory was 99.4 MB in the beginning and 355.0 MB in the end (delta: -255.5 MB). Peak memory consumption was 421.9 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:09,565 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 21:40:09,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.56 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 99.2 MB in the beginning and 169.7 MB in the end (delta: -70.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:09,567 INFO L168 Benchmark]: Boogie Preprocessor took 122.83 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:09,568 INFO L168 Benchmark]: RCFGBuilder took 1202.62 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 165.6 MB in the beginning and 197.9 MB in the end (delta: -32.3 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:09,569 INFO L168 Benchmark]: TraceAbstraction took 17855.29 ms. Allocated memory was 232.8 MB in the beginning and 581.4 MB in the end (delta: 348.7 MB). Free memory was 197.9 MB in the beginning and 355.0 MB in the end (delta: -157.0 MB). Peak memory consumption was 426.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:09,573 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.56 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 99.2 MB in the beginning and 169.7 MB in the end (delta: -70.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.83 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1202.62 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 165.6 MB in the beginning and 197.9 MB in the end (delta: -32.3 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17855.29 ms. Allocated memory was 232.8 MB in the beginning and 581.4 MB in the end (delta: 348.7 MB). Free memory was 197.9 MB in the beginning and 355.0 MB in the end (delta: -157.0 MB). Peak memory consumption was 426.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 402 SDtfs, 621 SDslu, 265 SDs, 0 SdLazy, 1466 SolverSat, 401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, 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, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 651 HoareAnnotationTreeSize, 235 FomulaSimplifications, 33793 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 48 FomulaSimplificationsInter, 7142 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 74058 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...