/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 16:16:59,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 16:16:59,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 16:16:59,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 16:16:59,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 16:16:59,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 16:16:59,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 16:16:59,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 16:16:59,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 16:16:59,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 16:16:59,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 16:16:59,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 16:16:59,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 16:16:59,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 16:16:59,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 16:16:59,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 16:16:59,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 16:16:59,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 16:16:59,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 16:16:59,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 16:16:59,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 16:16:59,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 16:16:59,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 16:16:59,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 16:16:59,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 16:16:59,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 16:16:59,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 16:16:59,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 16:16:59,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 16:16:59,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 16:16:59,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 16:16:59,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 16:16:59,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 16:16:59,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 16:16:59,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 16:16:59,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 16:16:59,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 16:16:59,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 16:16:59,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 16:16:59,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 16:16:59,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 16:16:59,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 16:16:59,167 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 16:16:59,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 16:16:59,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 16:16:59,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 16:16:59,169 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 16:16:59,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 16:16:59,169 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 16:16:59,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 16:16:59,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 16:16:59,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 16:16:59,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 16:16:59,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 16:16:59,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 16:16:59,172 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 16:16:59,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 16:16:59,172 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 16:16:59,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 16:16:59,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 16:16:59,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 16:16:59,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 16:16:59,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 16:16:59,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:16:59,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 16:16:59,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 16:16:59,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 16:16:59,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 16:16:59,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 16:16:59,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 16:16:59,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 16:16:59,176 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 16:16:59,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 16:16:59,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 16:16:59,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 16:16:59,530 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 16:16:59,531 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 16:16:59,531 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2020-08-21 16:16:59,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/721772359/10bf270e3cba4e5182b155d080aa404a/FLAGe225d5b02 [2020-08-21 16:17:00,120 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 16:17:00,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2020-08-21 16:17:00,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/721772359/10bf270e3cba4e5182b155d080aa404a/FLAGe225d5b02 [2020-08-21 16:17:00,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/721772359/10bf270e3cba4e5182b155d080aa404a [2020-08-21 16:17:00,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 16:17:00,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 16:17:00,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 16:17:00,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 16:17:00,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 16:17:00,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:17:00" (1/1) ... [2020-08-21 16:17:00,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f43fca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:00, skipping insertion in model container [2020-08-21 16:17:00,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:17:00" (1/1) ... [2020-08-21 16:17:00,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 16:17:00,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 16:17:01,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:17:01,037 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 16:17:01,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:17:01,195 INFO L208 MainTranslator]: Completed translation [2020-08-21 16:17:01,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01 WrapperNode [2020-08-21 16:17:01,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 16:17:01,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 16:17:01,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 16:17:01,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 16:17:01,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01" (1/1) ... [2020-08-21 16:17:01,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01" (1/1) ... [2020-08-21 16:17:01,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01" (1/1) ... [2020-08-21 16:17:01,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01" (1/1) ... [2020-08-21 16:17:01,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01" (1/1) ... [2020-08-21 16:17:01,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01" (1/1) ... [2020-08-21 16:17:01,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01" (1/1) ... [2020-08-21 16:17:01,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 16:17:01,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 16:17:01,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 16:17:01,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 16:17:01,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:17:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 16:17:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 16:17:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 16:17:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 16:17:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 16:17:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 16:17:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 16:17:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 16:17:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 16:17:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 16:17:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 16:17:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 16:17:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 16:17:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 16:17:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 16:17:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 16:17:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 16:17:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 16:17:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 16:17:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 16:17:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 16:17:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 16:17:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 16:17:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 16:17:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-21 16:17:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 16:17:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 16:17:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 16:17:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 16:17:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 16:17:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 16:17:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 16:17:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 16:17:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 16:17:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 16:17:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 16:17:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 16:17:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 16:17:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 16:17:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 16:17:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 16:17:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 16:17:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 16:17:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 16:17:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 16:17:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 16:17:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 16:17:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 16:17:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 16:17:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 16:17:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 16:17:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 16:17:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 16:17:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 16:17:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 16:17:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 16:17:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 16:17:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 16:17:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 16:17:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 16:17:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 16:17:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 16:17:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 16:17:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 16:17:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 16:17:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 16:17:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 16:17:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 16:17:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 16:17:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 16:17:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 16:17:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 16:17:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 16:17:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 16:17:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 16:17:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 16:17:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 16:17:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 16:17:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 16:17:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 16:17:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-21 16:17:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 16:17:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 16:17:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 16:17:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 16:17:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 16:17:02,478 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 16:17:02,478 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 16:17:02,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:17:02 BoogieIcfgContainer [2020-08-21 16:17:02,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 16:17:02,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 16:17:02,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 16:17:02,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 16:17:02,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:17:00" (1/3) ... [2020-08-21 16:17:02,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666a4ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:17:02, skipping insertion in model container [2020-08-21 16:17:02,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:17:01" (2/3) ... [2020-08-21 16:17:02,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666a4ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:17:02, skipping insertion in model container [2020-08-21 16:17:02,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:17:02" (3/3) ... [2020-08-21 16:17:02,499 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2020-08-21 16:17:02,510 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 16:17:02,521 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 16:17:02,537 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 16:17:02,562 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 16:17:02,562 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 16:17:02,562 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 16:17:02,563 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 16:17:02,563 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 16:17:02,563 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 16:17:02,563 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 16:17:02,564 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 16:17:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2020-08-21 16:17:02,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 16:17:02,608 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:17:02,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:17:02,609 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:17:02,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:17:02,618 INFO L82 PathProgramCache]: Analyzing trace with hash -712803612, now seen corresponding path program 1 times [2020-08-21 16:17:02,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:17:02,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1537254791] [2020-08-21 16:17:02,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:17:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:03,299 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:17:03,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:17:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:03,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:17:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:03,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:17:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:03,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:17:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:03,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:17:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:03,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 16:17:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:03,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 16:17:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:03,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:17:03,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1537254791] [2020-08-21 16:17:03,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:17:03,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 16:17:03,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575897553] [2020-08-21 16:17:03,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 16:17:03,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:17:03,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 16:17:03,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 16:17:03,414 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2020-08-21 16:17:04,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:17:04,350 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-08-21 16:17:04,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 16:17:04,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 16:17:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:17:04,368 INFO L225 Difference]: With dead ends: 208 [2020-08-21 16:17:04,368 INFO L226 Difference]: Without dead ends: 114 [2020-08-21 16:17:04,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 16:17:04,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-08-21 16:17:04,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-08-21 16:17:04,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-21 16:17:04,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-08-21 16:17:04,466 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-08-21 16:17:04,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:17:04,466 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-08-21 16:17:04,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 16:17:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-08-21 16:17:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 16:17:04,471 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:17:04,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:17:04,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 16:17:04,472 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:17:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:17:04,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1977757942, now seen corresponding path program 1 times [2020-08-21 16:17:04,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:17:04,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644935675] [2020-08-21 16:17:04,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:17:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:04,862 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:17:04,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:17:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:04,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:17:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:04,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:17:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:04,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:17:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:04,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:17:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:04,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 16:17:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:04,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 16:17:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:17:04,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644935675] [2020-08-21 16:17:04,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:17:04,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 16:17:04,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131941182] [2020-08-21 16:17:04,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 16:17:04,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:17:04,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 16:17:04,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 16:17:04,962 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-08-21 16:17:05,478 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 16:17:05,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:17:05,993 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-08-21 16:17:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:17:05,994 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 16:17:05,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:17:05,997 INFO L225 Difference]: With dead ends: 137 [2020-08-21 16:17:05,998 INFO L226 Difference]: Without dead ends: 98 [2020-08-21 16:17:05,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:17:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-21 16:17:06,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-08-21 16:17:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-21 16:17:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-08-21 16:17:06,026 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-08-21 16:17:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:17:06,026 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-08-21 16:17:06,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 16:17:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-08-21 16:17:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 16:17:06,028 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:17:06,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:17:06,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 16:17:06,029 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:17:06,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:17:06,030 INFO L82 PathProgramCache]: Analyzing trace with hash 2058663948, now seen corresponding path program 1 times [2020-08-21 16:17:06,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:17:06,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144583277] [2020-08-21 16:17:06,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:17:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:06,364 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:17:06,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:17:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:06,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:17:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:06,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:17:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:06,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:17:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:06,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:17:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:06,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 16:17:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:06,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 16:17:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:17:06,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144583277] [2020-08-21 16:17:06,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:17:06,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 16:17:06,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236981652] [2020-08-21 16:17:06,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:17:06,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:17:06,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:17:06,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:17:06,473 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2020-08-21 16:17:06,913 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 16:17:07,221 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:17:07,469 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:17:07,725 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:17:08,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:17:08,434 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-08-21 16:17:08,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 16:17:08,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 16:17:08,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:17:08,440 INFO L225 Difference]: With dead ends: 150 [2020-08-21 16:17:08,440 INFO L226 Difference]: Without dead ends: 98 [2020-08-21 16:17:08,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:17:08,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-21 16:17:08,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-08-21 16:17:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-21 16:17:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-08-21 16:17:08,466 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-08-21 16:17:08,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:17:08,467 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-08-21 16:17:08,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:17:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-08-21 16:17:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 16:17:08,468 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:17:08,469 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] [2020-08-21 16:17:08,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 16:17:08,469 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:17:08,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:17:08,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1628377793, now seen corresponding path program 1 times [2020-08-21 16:17:08,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:17:08,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095322929] [2020-08-21 16:17:08,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:17:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:08,754 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:17:08,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:17:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:08,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:17:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:08,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:17:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:08,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:17:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:08,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:17:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:08,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 16:17:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:08,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 16:17:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:08,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 16:17:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:17:08,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095322929] [2020-08-21 16:17:08,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:17:08,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 16:17:08,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406473072] [2020-08-21 16:17:08,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:17:08,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:17:08,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:17:08,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:17:08,844 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2020-08-21 16:17:09,223 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 16:17:10,046 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:17:10,299 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:17:10,549 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:17:10,780 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 16:17:11,067 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 16:17:11,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:17:11,381 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2020-08-21 16:17:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 16:17:11,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-08-21 16:17:11,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:17:11,384 INFO L225 Difference]: With dead ends: 204 [2020-08-21 16:17:11,384 INFO L226 Difference]: Without dead ends: 152 [2020-08-21 16:17:11,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-08-21 16:17:11,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-08-21 16:17:11,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 119. [2020-08-21 16:17:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-21 16:17:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2020-08-21 16:17:11,429 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2020-08-21 16:17:11,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:17:11,430 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2020-08-21 16:17:11,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:17:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2020-08-21 16:17:11,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 16:17:11,432 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:17:11,432 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] [2020-08-21 16:17:11,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 16:17:11,433 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:17:11,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:17:11,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1482549181, now seen corresponding path program 1 times [2020-08-21 16:17:11,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:17:11,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608176343] [2020-08-21 16:17:11,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:17:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,719 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:17:11,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:17:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:17:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:17:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:17:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:17:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 16:17:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 16:17:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 16:17:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 16:17:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:17:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:17:11,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608176343] [2020-08-21 16:17:11,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:17:11,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 16:17:11,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049396499] [2020-08-21 16:17:11,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:17:11,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:17:11,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:17:11,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:17:11,820 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 8 states. [2020-08-21 16:17:12,267 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 16:17:13,010 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:17:13,246 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:17:13,495 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:17:13,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:17:13,669 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2020-08-21 16:17:13,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 16:17:13,670 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-21 16:17:13,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:17:13,670 INFO L225 Difference]: With dead ends: 235 [2020-08-21 16:17:13,670 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 16:17:13,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 16:17:13,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 16:17:13,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 16:17:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 16:17:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 16:17:13,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-08-21 16:17:13,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:17:13,674 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 16:17:13,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:17:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 16:17:13,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 16:17:13,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 16:17:13,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 16:17:15,045 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 16:17:15,288 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 16:17:15,597 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 16:17:15,781 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 16:17:16,078 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 16:17:16,237 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 16:17:16,404 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 16:17:16,737 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-21 16:17:16,945 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:17:17,104 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 16:17:17,414 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 16:17:17,579 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 16:17:17,925 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-21 16:17:18,078 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 16:17:18,241 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 16:17:18,434 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 16:17:18,612 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 16:17:18,899 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 16:17:19,079 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-21 16:17:19,083 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-08-21 16:17:19,083 INFO L268 CegarLoopResult]: For program point L382-2(lines 382 403) no Hoare annotation was computed. [2020-08-21 16:17:19,084 INFO L268 CegarLoopResult]: For program point L404(lines 381 405) no Hoare annotation was computed. [2020-08-21 16:17:19,084 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 357 412) no Hoare annotation was computed. [2020-08-21 16:17:19,084 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 357 412) no Hoare annotation was computed. [2020-08-21 16:17:19,084 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-08-21 16:17:19,084 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2020-08-21 16:17:19,084 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 357 412) no Hoare annotation was computed. [2020-08-21 16:17:19,084 INFO L268 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-08-21 16:17:19,085 INFO L268 CegarLoopResult]: For program point L445-1(lines 445 449) no Hoare annotation was computed. [2020-08-21 16:17:19,085 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-21 16:17:19,085 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 413 472) no Hoare annotation was computed. [2020-08-21 16:17:19,085 INFO L268 CegarLoopResult]: For program point L439-2(lines 439 464) no Hoare annotation was computed. [2020-08-21 16:17:19,085 INFO L268 CegarLoopResult]: For program point L465(lines 438 466) no Hoare annotation was computed. [2020-08-21 16:17:19,085 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 413 472) no Hoare annotation was computed. [2020-08-21 16:17:19,085 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 16:17:19,085 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 413 472) no Hoare annotation was computed. [2020-08-21 16:17:19,085 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-08-21 16:17:19,086 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2020-08-21 16:17:19,086 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2020-08-21 16:17:19,086 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2020-08-21 16:17:19,086 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2020-08-21 16:17:19,086 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2020-08-21 16:17:19,086 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-08-21 16:17:19,086 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,086 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,087 INFO L264 CegarLoopResult]: At program point L287-1(line 287) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,087 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 281 303) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,087 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 281 303) no Hoare annotation was computed. [2020-08-21 16:17:19,087 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 281 303) no Hoare annotation was computed. [2020-08-21 16:17:19,087 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0))) [2020-08-21 16:17:19,088 INFO L264 CegarLoopResult]: At program point L293-1(line 293) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0))) [2020-08-21 16:17:19,088 INFO L268 CegarLoopResult]: For program point L291(lines 291 298) no Hoare annotation was computed. [2020-08-21 16:17:19,088 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 298) no Hoare annotation was computed. [2020-08-21 16:17:19,088 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 237 260) no Hoare annotation was computed. [2020-08-21 16:17:19,088 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-08-21 16:17:19,088 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-08-21 16:17:19,088 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-08-21 16:17:19,088 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 237 260) no Hoare annotation was computed. [2020-08-21 16:17:19,088 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-08-21 16:17:19,089 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 237 260) no Hoare annotation was computed. [2020-08-21 16:17:19,089 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-08-21 16:17:19,089 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-08-21 16:17:19,089 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-08-21 16:17:19,089 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-08-21 16:17:19,089 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-08-21 16:17:19,089 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-08-21 16:17:19,089 INFO L268 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-08-21 16:17:19,090 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-08-21 16:17:19,090 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-08-21 16:17:19,090 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-08-21 16:17:19,090 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 709 716) no Hoare annotation was computed. [2020-08-21 16:17:19,090 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 709 716) no Hoare annotation was computed. [2020-08-21 16:17:19,090 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 709 716) no Hoare annotation was computed. [2020-08-21 16:17:19,090 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 754 762) no Hoare annotation was computed. [2020-08-21 16:17:19,091 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 754 762) the Hoare annotation is: true [2020-08-21 16:17:19,091 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 754 762) no Hoare annotation was computed. [2020-08-21 16:17:19,091 INFO L268 CegarLoopResult]: For program point L770-2(lines 770 778) no Hoare annotation was computed. [2020-08-21 16:17:19,091 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-08-21 16:17:19,091 INFO L268 CegarLoopResult]: For program point L793-1(line 793) no Hoare annotation was computed. [2020-08-21 16:17:19,091 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 763 798) no Hoare annotation was computed. [2020-08-21 16:17:19,091 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-08-21 16:17:19,091 INFO L268 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-08-21 16:17:19,092 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 763 798) no Hoare annotation was computed. [2020-08-21 16:17:19,092 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 763 798) no Hoare annotation was computed. [2020-08-21 16:17:19,092 INFO L268 CegarLoopResult]: For program point L770(lines 770 778) no Hoare annotation was computed. [2020-08-21 16:17:19,092 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2020-08-21 16:17:19,092 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2020-08-21 16:17:19,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 311 356) no Hoare annotation was computed. [2020-08-21 16:17:19,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 311 356) no Hoare annotation was computed. [2020-08-21 16:17:19,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 311 356) no Hoare annotation was computed. [2020-08-21 16:17:19,093 INFO L268 CegarLoopResult]: For program point L638(lines 638 658) no Hoare annotation was computed. [2020-08-21 16:17:19,093 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 658) no Hoare annotation was computed. [2020-08-21 16:17:19,093 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 624 669) no Hoare annotation was computed. [2020-08-21 16:17:19,093 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 624 669) no Hoare annotation was computed. [2020-08-21 16:17:19,093 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 624 669) no Hoare annotation was computed. [2020-08-21 16:17:19,093 INFO L268 CegarLoopResult]: For program point L644(lines 644 651) no Hoare annotation was computed. [2020-08-21 16:17:19,093 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 268 277) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,093 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 268 277) no Hoare annotation was computed. [2020-08-21 16:17:19,094 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 268 277) no Hoare annotation was computed. [2020-08-21 16:17:19,094 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 743 753) no Hoare annotation was computed. [2020-08-21 16:17:19,094 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-08-21 16:17:19,094 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-08-21 16:17:19,094 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 743 753) no Hoare annotation was computed. [2020-08-21 16:17:19,094 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 743 753) no Hoare annotation was computed. [2020-08-21 16:17:19,094 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 735 742) no Hoare annotation was computed. [2020-08-21 16:17:19,094 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 735 742) no Hoare annotation was computed. [2020-08-21 16:17:19,094 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 735 742) no Hoare annotation was computed. [2020-08-21 16:17:19,095 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 702 708) no Hoare annotation was computed. [2020-08-21 16:17:19,095 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 702 708) the Hoare annotation is: true [2020-08-21 16:17:19,095 INFO L264 CegarLoopResult]: At program point testENTRY(lines 138 203) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,095 INFO L268 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-08-21 16:17:19,095 INFO L264 CegarLoopResult]: At program point L186-2(lines 178 191) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,095 INFO L268 CegarLoopResult]: For program point testFINAL(lines 138 203) no Hoare annotation was computed. [2020-08-21 16:17:19,095 INFO L268 CegarLoopResult]: For program point L149(lines 148 195) no Hoare annotation was computed. [2020-08-21 16:17:19,096 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,096 INFO L268 CegarLoopResult]: For program point L178(lines 178 191) no Hoare annotation was computed. [2020-08-21 16:17:19,096 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,096 INFO L268 CegarLoopResult]: For program point L168(lines 168 174) no Hoare annotation was computed. [2020-08-21 16:17:19,096 INFO L268 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-08-21 16:17:19,096 INFO L264 CegarLoopResult]: At program point L193(lines 148 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,097 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,097 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2020-08-21 16:17:19,097 INFO L268 CegarLoopResult]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2020-08-21 16:17:19,097 INFO L268 CegarLoopResult]: For program point L150(lines 150 154) no Hoare annotation was computed. [2020-08-21 16:17:19,097 INFO L264 CegarLoopResult]: At program point L196(lines 147 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 16:17:19,097 INFO L268 CegarLoopResult]: For program point testEXIT(lines 138 203) no Hoare annotation was computed. [2020-08-21 16:17:19,097 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 578 623) no Hoare annotation was computed. [2020-08-21 16:17:19,098 INFO L268 CegarLoopResult]: For program point L598(lines 598 605) no Hoare annotation was computed. [2020-08-21 16:17:19,098 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 578 623) no Hoare annotation was computed. [2020-08-21 16:17:19,098 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 578 623) no Hoare annotation was computed. [2020-08-21 16:17:19,098 INFO L268 CegarLoopResult]: For program point L592(lines 592 612) no Hoare annotation was computed. [2020-08-21 16:17:19,098 INFO L268 CegarLoopResult]: For program point L592-1(lines 592 612) no Hoare annotation was computed. [2020-08-21 16:17:19,098 INFO L268 CegarLoopResult]: For program point L110(lines 110 118) no Hoare annotation was computed. [2020-08-21 16:17:19,098 INFO L268 CegarLoopResult]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2020-08-21 16:17:19,098 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 102 124) no Hoare annotation was computed. [2020-08-21 16:17:19,099 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 102 124) no Hoare annotation was computed. [2020-08-21 16:17:19,099 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 102 124) no Hoare annotation was computed. [2020-08-21 16:17:19,099 INFO L268 CegarLoopResult]: For program point L545(lines 523 546) no Hoare annotation was computed. [2020-08-21 16:17:19,099 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 475 577) no Hoare annotation was computed. [2020-08-21 16:17:19,099 INFO L268 CegarLoopResult]: For program point L504(lines 504 520) no Hoare annotation was computed. [2020-08-21 16:17:19,099 INFO L268 CegarLoopResult]: For program point L564(lines 564 571) no Hoare annotation was computed. [2020-08-21 16:17:19,099 INFO L268 CegarLoopResult]: For program point L525(lines 524 544) no Hoare annotation was computed. [2020-08-21 16:17:19,099 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 16:17:19,099 INFO L268 CegarLoopResult]: For program point L556-1(line 556) no Hoare annotation was computed. [2020-08-21 16:17:19,100 INFO L268 CegarLoopResult]: For program point L521(lines 521 562) no Hoare annotation was computed. [2020-08-21 16:17:19,100 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 475 577) no Hoare annotation was computed. [2020-08-21 16:17:19,100 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-21 16:17:19,100 INFO L268 CegarLoopResult]: For program point L540-1(line 540) no Hoare annotation was computed. [2020-08-21 16:17:19,100 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-08-21 16:17:19,100 INFO L268 CegarLoopResult]: For program point L563(lines 563 574) no Hoare annotation was computed. [2020-08-21 16:17:19,100 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 475 577) no Hoare annotation was computed. [2020-08-21 16:17:19,100 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-08-21 16:17:19,100 INFO L268 CegarLoopResult]: For program point L524-2(lines 524 544) no Hoare annotation was computed. [2020-08-21 16:17:19,101 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 835 844) no Hoare annotation was computed. [2020-08-21 16:17:19,101 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 835 844) no Hoare annotation was computed. [2020-08-21 16:17:19,101 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 835 844) no Hoare annotation was computed. [2020-08-21 16:17:19,101 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:17:19,101 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 16:17:19,102 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:17:19,102 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 718 734) no Hoare annotation was computed. [2020-08-21 16:17:19,102 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-08-21 16:17:19,102 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 718 734) no Hoare annotation was computed. [2020-08-21 16:17:19,102 INFO L268 CegarLoopResult]: For program point L729-1(lines 718 734) no Hoare annotation was computed. [2020-08-21 16:17:19,102 INFO L268 CegarLoopResult]: For program point L725(lines 725 731) no Hoare annotation was computed. [2020-08-21 16:17:19,102 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-08-21 16:17:19,102 INFO L268 CegarLoopResult]: For program point L723-1(line 723) no Hoare annotation was computed. [2020-08-21 16:17:19,103 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 125 133) no Hoare annotation was computed. [2020-08-21 16:17:19,103 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 125 133) no Hoare annotation was computed. [2020-08-21 16:17:19,103 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 125 133) no Hoare annotation was computed. [2020-08-21 16:17:19,103 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 16:17:19,103 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2020-08-21 16:17:19,103 INFO L268 CegarLoopResult]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2020-08-21 16:17:19,103 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:17:19,103 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 16:17:19,104 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:17:19,104 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2020-08-21 16:17:19,104 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2020-08-21 16:17:19,104 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2020-08-21 16:17:19,104 INFO L264 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 16:17:19,104 INFO L264 CegarLoopResult]: At program point L689(lines 689 695) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 16:17:19,104 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 678 701) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 16:17:19,104 INFO L264 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 16:17:19,105 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 678 701) no Hoare annotation was computed. [2020-08-21 16:17:19,105 INFO L268 CegarLoopResult]: For program point L682(lines 681 700) no Hoare annotation was computed. [2020-08-21 16:17:19,105 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 678 701) no Hoare annotation was computed. [2020-08-21 16:17:19,105 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 206 235) no Hoare annotation was computed. [2020-08-21 16:17:19,105 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 206 235) the Hoare annotation is: true [2020-08-21 16:17:19,105 INFO L268 CegarLoopResult]: For program point L220(lines 220 224) no Hoare annotation was computed. [2020-08-21 16:17:19,105 INFO L271 CegarLoopResult]: At program point L220-1(lines 220 224) the Hoare annotation is: true [2020-08-21 16:17:19,105 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-08-21 16:17:19,106 INFO L271 CegarLoopResult]: At program point L216-2(lines 216 230) the Hoare annotation is: true [2020-08-21 16:17:19,106 INFO L271 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: true [2020-08-21 16:17:19,106 INFO L268 CegarLoopResult]: For program point L212-1(line 212) no Hoare annotation was computed. [2020-08-21 16:17:19,106 INFO L271 CegarLoopResult]: At program point L231(lines 206 235) the Hoare annotation is: true [2020-08-21 16:17:19,106 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-08-21 16:17:19,106 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2020-08-21 16:17:19,106 INFO L268 CegarLoopResult]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2020-08-21 16:17:19,106 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2020-08-21 16:17:19,106 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 261 267) no Hoare annotation was computed. [2020-08-21 16:17:19,107 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 261 267) the Hoare annotation is: true [2020-08-21 16:17:19,107 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:17:19,107 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 16:17:19,107 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 16:17:19,107 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:17:19,107 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 799 806) no Hoare annotation was computed. [2020-08-21 16:17:19,107 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 799 806) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-21 16:17:19,107 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 799 806) no Hoare annotation was computed. [2020-08-21 16:17:19,108 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2020-08-21 16:17:19,108 INFO L268 CegarLoopResult]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2020-08-21 16:17:19,108 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 16:17:19,108 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-21 16:17:19,108 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-21 16:17:19,108 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-21 16:17:19,108 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-21 16:17:19,108 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 808 832) the Hoare annotation is: true [2020-08-21 16:17:19,108 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 808 832) no Hoare annotation was computed. [2020-08-21 16:17:19,108 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 16:17:19,109 INFO L268 CegarLoopResult]: For program point L820(lines 820 826) no Hoare annotation was computed. [2020-08-21 16:17:19,109 INFO L264 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 16:17:19,109 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-08-21 16:17:19,109 INFO L268 CegarLoopResult]: For program point L816(lines 816 829) no Hoare annotation was computed. [2020-08-21 16:17:19,109 INFO L268 CegarLoopResult]: For program point L816-1(lines 808 832) no Hoare annotation was computed. [2020-08-21 16:17:19,109 INFO L271 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: true [2020-08-21 16:17:19,109 INFO L268 CegarLoopResult]: For program point L814-1(line 814) no Hoare annotation was computed. [2020-08-21 16:17:19,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:17:19 BoogieIcfgContainer [2020-08-21 16:17:19,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 16:17:19,130 INFO L168 Benchmark]: Toolchain (without parser) took 18656.49 ms. Allocated memory was 150.5 MB in the beginning and 500.2 MB in the end (delta: 349.7 MB). Free memory was 105.7 MB in the beginning and 410.3 MB in the end (delta: -304.5 MB). Peak memory consumption was 339.5 MB. Max. memory is 7.1 GB. [2020-08-21 16:17:19,131 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 150.5 MB. Free memory was 125.0 MB in the beginning and 124.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 16:17:19,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.92 ms. Allocated memory was 150.5 MB in the beginning and 205.5 MB in the end (delta: 55.1 MB). Free memory was 105.5 MB in the beginning and 173.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-08-21 16:17:19,133 INFO L168 Benchmark]: Boogie Preprocessor took 89.51 ms. Allocated memory is still 205.5 MB. Free memory was 173.7 MB in the beginning and 169.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-08-21 16:17:19,134 INFO L168 Benchmark]: RCFGBuilder took 1200.87 ms. Allocated memory was 205.5 MB in the beginning and 232.3 MB in the end (delta: 26.7 MB). Free memory was 169.9 MB in the beginning and 191.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. [2020-08-21 16:17:19,135 INFO L168 Benchmark]: TraceAbstraction took 16636.92 ms. Allocated memory was 232.3 MB in the beginning and 500.2 MB in the end (delta: 267.9 MB). Free memory was 190.2 MB in the beginning and 410.3 MB in the end (delta: -220.1 MB). Peak memory consumption was 342.1 MB. Max. memory is 7.1 GB. [2020-08-21 16:17:19,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 150.5 MB. Free memory was 125.0 MB in the beginning and 124.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.92 ms. Allocated memory was 150.5 MB in the beginning and 205.5 MB in the end (delta: 55.1 MB). Free memory was 105.5 MB in the beginning and 173.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.51 ms. Allocated memory is still 205.5 MB. Free memory was 173.7 MB in the beginning and 169.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1200.87 ms. Allocated memory was 205.5 MB in the beginning and 232.3 MB in the end (delta: 26.7 MB). Free memory was 169.9 MB in the beginning and 191.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16636.92 ms. Allocated memory was 232.3 MB in the beginning and 500.2 MB in the end (delta: 267.9 MB). Free memory was 190.2 MB in the beginning and 410.3 MB in the end (delta: -220.1 MB). Peak memory consumption was 342.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 359 SDtfs, 438 SDslu, 259 SDs, 0 SdLazy, 1170 SolverSat, 269 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 106 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 175 PreInvPairs, 205 NumberOfFragments, 617 HoareAnnotationTreeSize, 175 FomulaSimplifications, 28399 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 6774 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 71230 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...