/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 17:05:19,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 17:05:19,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 17:05:19,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 17:05:19,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 17:05:19,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 17:05:19,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 17:05:19,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 17:05:19,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 17:05:19,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 17:05:19,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 17:05:19,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 17:05:19,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:05:19,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:05:19,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:05:19,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:05:19,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:05:19,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:05:19,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:05:19,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:05:19,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:05:19,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:05:19,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:05:19,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:05:19,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 17:05:19,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 17:05:19,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 17:05:19,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 17:05:19,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 17:05:19,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 17:05:19,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 17:05:19,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 17:05:19,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 17:05:19,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 17:05:19,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 17:05:19,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 17:05:19,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 17:05:19,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 17:05:19,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:05:19,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:05:19,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:05:19,184 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 17:05:19,233 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:05:19,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:05:19,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:05:19,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:05:19,238 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:05:19,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:05:19,239 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 17:05:19,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:05:19,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 17:05:19,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:05:19,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:05:19,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:05:19,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:05:19,242 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 17:05:19,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:05:19,242 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:05:19,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:05:19,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:05:19,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:05:19,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:05:19,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:05:19,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:05:19,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:05:19,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:05:19,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:05:19,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:05:19,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:05:19,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:05:19,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:05:19,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-21 17:05:19,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:05:19,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:05:19,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:05:19,592 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:05:19,593 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:05:19,593 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2020-08-21 17:05:19,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3baa89b3/e89b19c0b921408c88358ee948896e09/FLAG83b41de5d [2020-08-21 17:05:20,204 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:05:20,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2020-08-21 17:05:20,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3baa89b3/e89b19c0b921408c88358ee948896e09/FLAG83b41de5d [2020-08-21 17:05:20,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3baa89b3/e89b19c0b921408c88358ee948896e09 [2020-08-21 17:05:20,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:05:20,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:05:20,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:05:20,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:05:20,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:05:20,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:05:20" (1/1) ... [2020-08-21 17:05:20,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7225e1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:20, skipping insertion in model container [2020-08-21 17:05:20,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:05:20" (1/1) ... [2020-08-21 17:05:20,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:05:20,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:05:20,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:05:21,012 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:05:21,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:05:21,174 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:05:21,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21 WrapperNode [2020-08-21 17:05:21,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:05:21,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:05:21,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:05:21,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:05:21,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21" (1/1) ... [2020-08-21 17:05:21,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21" (1/1) ... [2020-08-21 17:05:21,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21" (1/1) ... [2020-08-21 17:05:21,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21" (1/1) ... [2020-08-21 17:05:21,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21" (1/1) ... [2020-08-21 17:05:21,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21" (1/1) ... [2020-08-21 17:05:21,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21" (1/1) ... [2020-08-21 17:05:21,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:05:21,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:05:21,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:05:21,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:05:21,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21" (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 17:05:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:05:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:05:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 17:05:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 17:05:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 17:05:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 17:05:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 17:05:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 17:05:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 17:05:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 17:05:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 17:05:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 17:05:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 17:05:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 17:05:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 17:05:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 17:05:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 17:05:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 17:05:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 17:05:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 17:05:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 17:05:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 17:05:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 17:05:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 17:05:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 17:05:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 17:05:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 17:05:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 17:05:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 17:05:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 17:05:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 17:05:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 17:05:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 17:05:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 17:05:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 17:05:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:05:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:05:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:05:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 17:05:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 17:05:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 17:05:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 17:05:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 17:05:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 17:05:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 17:05:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 17:05:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 17:05:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 17:05:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 17:05:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 17:05:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 17:05:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 17:05:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 17:05:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 17:05:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 17:05:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 17:05:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 17:05:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 17:05:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 17:05:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 17:05:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 17:05:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 17:05:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 17:05:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 17:05:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 17:05:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 17:05:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 17:05:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 17:05:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 17:05:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 17:05:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 17:05:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 17:05:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 17:05:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 17:05:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 17:05:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 17:05:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 17:05:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 17:05:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 17:05:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 17:05:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 17:05:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 17:05:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:05:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:05:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 17:05:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:05:22,407 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:05:22,408 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 17:05:22,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:05:22 BoogieIcfgContainer [2020-08-21 17:05:22,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:05:22,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:05:22,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:05:22,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:05:22,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:05:20" (1/3) ... [2020-08-21 17:05:22,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560d15f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:05:22, skipping insertion in model container [2020-08-21 17:05:22,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:05:21" (2/3) ... [2020-08-21 17:05:22,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560d15f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:05:22, skipping insertion in model container [2020-08-21 17:05:22,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:05:22" (3/3) ... [2020-08-21 17:05:22,423 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2020-08-21 17:05:22,435 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:05:22,444 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:05:22,460 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:05:22,487 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:05:22,488 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:05:22,488 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:05:22,488 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:05:22,489 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:05:22,489 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:05:22,489 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:05:22,489 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:05:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-08-21 17:05:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 17:05:22,522 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:05:22,523 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 17:05:22,523 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:05:22,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:05:22,530 INFO L82 PathProgramCache]: Analyzing trace with hash 667254028, now seen corresponding path program 1 times [2020-08-21 17:05:22,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:05:22,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250241390] [2020-08-21 17:05:22,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:05:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:23,203 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 17:05:23,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:05:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:23,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:05:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:23,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:05:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:23,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:05:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:23,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:05:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:23,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 17:05:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:23,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:05:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:23,289 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 17:05:23,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250241390] [2020-08-21 17:05:23,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:05:23,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 17:05:23,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224757630] [2020-08-21 17:05:23,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 17:05:23,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:05:23,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 17:05:23,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 17:05:23,332 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 3 states. [2020-08-21 17:05:24,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:05:24,345 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-08-21 17:05:24,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 17:05:24,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 17:05:24,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:05:24,363 INFO L225 Difference]: With dead ends: 228 [2020-08-21 17:05:24,363 INFO L226 Difference]: Without dead ends: 125 [2020-08-21 17:05:24,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 17:05:24,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-21 17:05:24,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-08-21 17:05:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-21 17:05:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-08-21 17:05:24,452 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-08-21 17:05:24,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:05:24,452 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-08-21 17:05:24,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 17:05:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-08-21 17:05:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 17:05:24,456 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:05:24,456 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 17:05:24,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 17:05:24,457 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:05:24,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:05:24,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1006475212, now seen corresponding path program 1 times [2020-08-21 17:05:24,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:05:24,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773591684] [2020-08-21 17:05:24,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:05:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:24,856 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 17:05:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:05:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:24,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:05:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:24,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:05:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:24,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:05:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:24,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:05:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:24,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 17:05:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:24,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 17:05:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:24,901 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 17:05:24,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773591684] [2020-08-21 17:05:24,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:05:24,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 17:05:24,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438706800] [2020-08-21 17:05:24,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 17:05:24,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:05:24,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 17:05:24,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:05:24,905 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-08-21 17:05:25,293 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:05:25,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:05:25,820 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-08-21 17:05:25,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 17:05:25,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 17:05:25,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:05:25,824 INFO L225 Difference]: With dead ends: 148 [2020-08-21 17:05:25,826 INFO L226 Difference]: Without dead ends: 109 [2020-08-21 17:05:25,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:05:25,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-21 17:05:25,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-08-21 17:05:25,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-21 17:05:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-08-21 17:05:25,870 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-08-21 17:05:25,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:05:25,871 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-08-21 17:05:25,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 17:05:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-08-21 17:05:25,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 17:05:25,881 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:05:25,881 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 17:05:25,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 17:05:25,882 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:05:25,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:05:25,882 INFO L82 PathProgramCache]: Analyzing trace with hash 882475242, now seen corresponding path program 1 times [2020-08-21 17:05:25,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:05:25,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429635092] [2020-08-21 17:05:25,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:05:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:26,217 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 17:05:26,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:05:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:05:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:26,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:05:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:26,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:05:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:26,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:05:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:26,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:05:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:26,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 17:05:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:26,322 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 17:05:26,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429635092] [2020-08-21 17:05:26,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:05:26,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 17:05:26,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716870874] [2020-08-21 17:05:26,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:05:26,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:05:26,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:05:26,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:05:26,325 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2020-08-21 17:05:26,665 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 17:05:26,972 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 17:05:27,213 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 17:05:27,459 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 17:05:28,186 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:05:29,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:05:29,165 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-08-21 17:05:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 17:05:29,168 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 17:05:29,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:05:29,172 INFO L225 Difference]: With dead ends: 302 [2020-08-21 17:05:29,172 INFO L226 Difference]: Without dead ends: 241 [2020-08-21 17:05:29,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 17:05:29,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-08-21 17:05:29,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2020-08-21 17:05:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-08-21 17:05:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2020-08-21 17:05:29,234 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2020-08-21 17:05:29,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:05:29,235 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2020-08-21 17:05:29,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:05:29,235 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2020-08-21 17:05:29,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 17:05:29,236 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:05:29,237 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 17:05:29,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 17:05:29,237 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:05:29,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:05:29,237 INFO L82 PathProgramCache]: Analyzing trace with hash 231939386, now seen corresponding path program 1 times [2020-08-21 17:05:29,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:05:29,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215761613] [2020-08-21 17:05:29,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:05:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:29,502 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 17:05:29,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:05:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:29,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:05:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:29,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:05:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:29,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:05:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:29,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:05:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:29,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 17:05:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:29,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 17:05:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 17:05:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:29,593 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 17:05:29,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215761613] [2020-08-21 17:05:29,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:05:29,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 17:05:29,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193990564] [2020-08-21 17:05:29,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:05:29,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:05:29,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:05:29,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:05:29,595 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 7 states. [2020-08-21 17:05:29,884 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 17:05:30,744 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 17:05:30,999 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 17:05:31,230 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 17:05:31,439 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 17:05:31,728 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:05:32,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:05:32,045 INFO L93 Difference]: Finished difference Result 521 states and 661 transitions. [2020-08-21 17:05:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 17:05:32,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-08-21 17:05:32,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:05:32,051 INFO L225 Difference]: With dead ends: 521 [2020-08-21 17:05:32,052 INFO L226 Difference]: Without dead ends: 373 [2020-08-21 17:05:32,054 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 17:05:32,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-08-21 17:05:32,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 299. [2020-08-21 17:05:32,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-08-21 17:05:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2020-08-21 17:05:32,126 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2020-08-21 17:05:32,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:05:32,127 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2020-08-21 17:05:32,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:05:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2020-08-21 17:05:32,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 17:05:32,128 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:05:32,129 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 17:05:32,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 17:05:32,129 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:05:32,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:05:32,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1273020098, now seen corresponding path program 1 times [2020-08-21 17:05:32,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:05:32,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495259429] [2020-08-21 17:05:32,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:05:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,388 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 17:05:32,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:05:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:05:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:05:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:05:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:05:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 17:05:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 17:05:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 17:05:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 17:05:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:05:32,457 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 17:05:32,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495259429] [2020-08-21 17:05:32,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:05:32,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 17:05:32,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381830355] [2020-08-21 17:05:32,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:05:32,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:05:32,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:05:32,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:05:32,463 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 8 states. [2020-08-21 17:05:32,819 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 17:05:33,658 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 17:05:33,926 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 17:05:34,170 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 17:05:34,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:05:34,349 INFO L93 Difference]: Finished difference Result 609 states and 776 transitions. [2020-08-21 17:05:34,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 17:05:34,352 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-21 17:05:34,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:05:34,353 INFO L225 Difference]: With dead ends: 609 [2020-08-21 17:05:34,353 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 17:05:34,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 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 17:05:34,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 17:05:34,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 17:05:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 17:05:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 17:05:34,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-08-21 17:05:34,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:05:34,360 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 17:05:34,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:05:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 17:05:34,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 17:05:34,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 17:05:34,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 17:05:34,501 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-08-21 17:05:37,160 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 17:05:37,305 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 17:05:37,460 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 17:05:37,642 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 17:05:37,975 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-21 17:05:38,462 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-08-21 17:05:38,640 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 17:05:38,925 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-21 17:05:39,131 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 17:05:39,302 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 17:05:39,459 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 17:05:39,628 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 17:05:39,940 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-21 17:05:40,095 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 17:05:40,403 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-21 17:05:40,558 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-21 17:05:40,750 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 17:05:40,898 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 17:05:41,197 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-21 17:05:41,361 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 17:05:41,661 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-08-21 17:05:41,842 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-21 17:05:41,847 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-08-21 17:05:41,847 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 349) no Hoare annotation was computed. [2020-08-21 17:05:41,847 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-08-21 17:05:41,847 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 314 369) no Hoare annotation was computed. [2020-08-21 17:05:41,847 INFO L268 CegarLoopResult]: For program point L339-2(lines 339 360) no Hoare annotation was computed. [2020-08-21 17:05:41,848 INFO L268 CegarLoopResult]: For program point L361(lines 338 362) no Hoare annotation was computed. [2020-08-21 17:05:41,848 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 314 369) no Hoare annotation was computed. [2020-08-21 17:05:41,848 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 314 369) no Hoare annotation was computed. [2020-08-21 17:05:41,848 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 17:05:41,848 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-08-21 17:05:41,849 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 370 429) no Hoare annotation was computed. [2020-08-21 17:05:41,849 INFO L268 CegarLoopResult]: For program point L402(lines 402 406) no Hoare annotation was computed. [2020-08-21 17:05:41,849 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 406) no Hoare annotation was computed. [2020-08-21 17:05:41,849 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 370 429) no Hoare annotation was computed. [2020-08-21 17:05:41,849 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-21 17:05:41,849 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 421) no Hoare annotation was computed. [2020-08-21 17:05:41,849 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 370 429) no Hoare annotation was computed. [2020-08-21 17:05:41,850 INFO L268 CegarLoopResult]: For program point L422(lines 395 423) no Hoare annotation was computed. [2020-08-21 17:05:41,850 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 730 736) the Hoare annotation is: true [2020-08-21 17:05:41,850 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 730 736) no Hoare annotation was computed. [2020-08-21 17:05:41,850 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 737 745) no Hoare annotation was computed. [2020-08-21 17:05:41,850 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 737 745) the Hoare annotation is: true [2020-08-21 17:05:41,850 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 737 745) no Hoare annotation was computed. [2020-08-21 17:05:41,851 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 845 867) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:05:41,851 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 17:05:41,851 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 845 867) no Hoare annotation was computed. [2020-08-21 17:05:41,851 INFO L264 CegarLoopResult]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 17:05:41,851 INFO L268 CegarLoopResult]: For program point L855(lines 855 862) no Hoare annotation was computed. [2020-08-21 17:05:41,852 INFO L268 CegarLoopResult]: For program point L855-1(lines 855 862) no Hoare annotation was computed. [2020-08-21 17:05:41,852 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-08-21 17:05:41,852 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:05:41,852 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:05:41,852 INFO L264 CegarLoopResult]: At program point L851-1(line 851) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:05:41,853 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 845 867) no Hoare annotation was computed. [2020-08-21 17:05:41,853 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 804 827) no Hoare annotation was computed. [2020-08-21 17:05:41,853 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 804 827) no Hoare annotation was computed. [2020-08-21 17:05:41,853 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 804 827) no Hoare annotation was computed. [2020-08-21 17:05:41,853 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-08-21 17:05:41,853 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-08-21 17:05:41,853 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-08-21 17:05:41,853 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-21 17:05:41,853 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-21 17:05:41,854 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-08-21 17:05:41,854 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-08-21 17:05:41,854 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-08-21 17:05:41,854 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-08-21 17:05:41,854 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-21 17:05:41,854 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-08-21 17:05:41,854 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-21 17:05:41,854 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-21 17:05:41,854 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-21 17:05:41,855 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 238 252) no Hoare annotation was computed. [2020-08-21 17:05:41,855 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 238 252) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 17:05:41,855 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 238 252) no Hoare annotation was computed. [2020-08-21 17:05:41,855 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 17:05:41,855 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-08-21 17:05:41,855 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2020-08-21 17:05:41,855 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2020-08-21 17:05:41,855 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2020-08-21 17:05:41,856 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-08-21 17:05:41,856 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2020-08-21 17:05:41,856 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-08-21 17:05:41,856 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2020-08-21 17:05:41,856 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2020-08-21 17:05:41,856 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-08-21 17:05:41,856 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-08-21 17:05:41,857 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2020-08-21 17:05:41,857 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2020-08-21 17:05:41,857 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 723 729) no Hoare annotation was computed. [2020-08-21 17:05:41,857 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 723 729) the Hoare annotation is: true [2020-08-21 17:05:41,857 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 268 313) no Hoare annotation was computed. [2020-08-21 17:05:41,857 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 268 313) no Hoare annotation was computed. [2020-08-21 17:05:41,857 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 268 313) no Hoare annotation was computed. [2020-08-21 17:05:41,857 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 581 626) no Hoare annotation was computed. [2020-08-21 17:05:41,858 INFO L268 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2020-08-21 17:05:41,858 INFO L268 CegarLoopResult]: For program point L595(lines 595 615) no Hoare annotation was computed. [2020-08-21 17:05:41,858 INFO L268 CegarLoopResult]: For program point L595-1(lines 595 615) no Hoare annotation was computed. [2020-08-21 17:05:41,858 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 581 626) no Hoare annotation was computed. [2020-08-21 17:05:41,858 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 581 626) no Hoare annotation was computed. [2020-08-21 17:05:41,858 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 835 844) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:05:41,858 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 835 844) no Hoare annotation was computed. [2020-08-21 17:05:41,859 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 835 844) no Hoare annotation was computed. [2020-08-21 17:05:41,859 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 182 192) no Hoare annotation was computed. [2020-08-21 17:05:41,859 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 17:05:41,859 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2020-08-21 17:05:41,859 INFO L268 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-08-21 17:05:41,859 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2020-08-21 17:05:41,859 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 174 181) the Hoare annotation is: true [2020-08-21 17:05:41,860 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2020-08-21 17:05:41,860 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2020-08-21 17:05:41,860 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 159 165) no Hoare annotation was computed. [2020-08-21 17:05:41,860 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 159 165) the Hoare annotation is: true [2020-08-21 17:05:41,860 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:05:41,860 INFO L264 CegarLoopResult]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:05:41,861 INFO L268 CegarLoopResult]: For program point L95(lines 95 110) no Hoare annotation was computed. [2020-08-21 17:05:41,861 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:05:41,861 INFO L268 CegarLoopResult]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2020-08-21 17:05:41,861 INFO L268 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-08-21 17:05:41,861 INFO L268 CegarLoopResult]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2020-08-21 17:05:41,861 INFO L264 CegarLoopResult]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:05:41,861 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:05:41,862 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-21 17:05:41,862 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-21 17:05:41,862 INFO L268 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-08-21 17:05:41,862 INFO L264 CegarLoopResult]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:05:41,862 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:05:41,862 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-08-21 17:05:41,863 INFO L264 CegarLoopResult]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:05:41,863 INFO L268 CegarLoopResult]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2020-08-21 17:05:41,863 INFO L268 CegarLoopResult]: For program point L66(lines 65 114) no Hoare annotation was computed. [2020-08-21 17:05:41,863 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 535 580) no Hoare annotation was computed. [2020-08-21 17:05:41,863 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 535 580) no Hoare annotation was computed. [2020-08-21 17:05:41,863 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 535 580) no Hoare annotation was computed. [2020-08-21 17:05:41,863 INFO L268 CegarLoopResult]: For program point L555(lines 555 562) no Hoare annotation was computed. [2020-08-21 17:05:41,863 INFO L268 CegarLoopResult]: For program point L549(lines 549 569) no Hoare annotation was computed. [2020-08-21 17:05:41,864 INFO L268 CegarLoopResult]: For program point L549-1(lines 549 569) no Hoare annotation was computed. [2020-08-21 17:05:41,864 INFO L268 CegarLoopResult]: For program point L684(lines 684 692) no Hoare annotation was computed. [2020-08-21 17:05:41,864 INFO L268 CegarLoopResult]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2020-08-21 17:05:41,864 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 676 698) no Hoare annotation was computed. [2020-08-21 17:05:41,864 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 676 698) no Hoare annotation was computed. [2020-08-21 17:05:41,864 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 676 698) no Hoare annotation was computed. [2020-08-21 17:05:41,864 INFO L268 CegarLoopResult]: For program point L481-2(lines 481 501) no Hoare annotation was computed. [2020-08-21 17:05:41,865 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 432 534) no Hoare annotation was computed. [2020-08-21 17:05:41,865 INFO L268 CegarLoopResult]: For program point L502(lines 480 503) no Hoare annotation was computed. [2020-08-21 17:05:41,865 INFO L268 CegarLoopResult]: For program point L461(lines 461 477) no Hoare annotation was computed. [2020-08-21 17:05:41,865 INFO L268 CegarLoopResult]: For program point L521(lines 521 528) no Hoare annotation was computed. [2020-08-21 17:05:41,865 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 432 534) no Hoare annotation was computed. [2020-08-21 17:05:41,865 INFO L268 CegarLoopResult]: For program point L482(lines 481 501) no Hoare annotation was computed. [2020-08-21 17:05:41,865 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-08-21 17:05:41,866 INFO L268 CegarLoopResult]: For program point L513-1(line 513) no Hoare annotation was computed. [2020-08-21 17:05:41,866 INFO L268 CegarLoopResult]: For program point L478(lines 478 519) no Hoare annotation was computed. [2020-08-21 17:05:41,866 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 432 534) no Hoare annotation was computed. [2020-08-21 17:05:41,866 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-21 17:05:41,866 INFO L268 CegarLoopResult]: For program point L497-1(line 497) no Hoare annotation was computed. [2020-08-21 17:05:41,866 INFO L268 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-08-21 17:05:41,866 INFO L268 CegarLoopResult]: For program point L520(lines 520 531) no Hoare annotation was computed. [2020-08-21 17:05:41,867 INFO L268 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-08-21 17:05:41,867 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 713 722) no Hoare annotation was computed. [2020-08-21 17:05:41,867 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 713 722) no Hoare annotation was computed. [2020-08-21 17:05:41,867 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 713 722) no Hoare annotation was computed. [2020-08-21 17:05:41,867 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:05:41,868 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 17:05:41,868 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:05:41,868 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 166 173) no Hoare annotation was computed. [2020-08-21 17:05:41,868 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2020-08-21 17:05:41,868 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 166 173) no Hoare annotation was computed. [2020-08-21 17:05:41,869 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 699 707) no Hoare annotation was computed. [2020-08-21 17:05:41,869 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 699 707) no Hoare annotation was computed. [2020-08-21 17:05:41,869 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2020-08-21 17:05:41,869 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 17:05:41,869 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2020-08-21 17:05:41,869 INFO L268 CegarLoopResult]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2020-08-21 17:05:41,870 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:05:41,870 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 17:05:41,870 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:05:41,870 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2020-08-21 17:05:41,870 INFO L264 CegarLoopResult]: At program point L146(lines 146 152) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 17:05:41,870 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 17:05:41,871 INFO L264 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 17:05:41,871 INFO L268 CegarLoopResult]: For program point L139(lines 138 157) no Hoare annotation was computed. [2020-08-21 17:05:41,871 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2020-08-21 17:05:41,871 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2020-08-21 17:05:41,871 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 774 803) no Hoare annotation was computed. [2020-08-21 17:05:41,871 INFO L271 CegarLoopResult]: At program point L799(lines 774 803) the Hoare annotation is: true [2020-08-21 17:05:41,871 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 774 803) the Hoare annotation is: true [2020-08-21 17:05:41,872 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-08-21 17:05:41,872 INFO L268 CegarLoopResult]: For program point L788(lines 788 792) no Hoare annotation was computed. [2020-08-21 17:05:41,872 INFO L271 CegarLoopResult]: At program point L788-1(lines 788 792) the Hoare annotation is: true [2020-08-21 17:05:41,872 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-08-21 17:05:41,872 INFO L271 CegarLoopResult]: At program point L784-2(lines 784 798) the Hoare annotation is: true [2020-08-21 17:05:41,872 INFO L271 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: true [2020-08-21 17:05:41,873 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-08-21 17:05:41,873 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 667 675) the Hoare annotation is: true [2020-08-21 17:05:41,873 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2020-08-21 17:05:41,873 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2020-08-21 17:05:41,873 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2020-08-21 17:05:41,873 INFO L268 CegarLoopResult]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2020-08-21 17:05:41,873 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2020-08-21 17:05:41,874 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 828 834) no Hoare annotation was computed. [2020-08-21 17:05:41,874 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 828 834) the Hoare annotation is: true [2020-08-21 17:05:41,874 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:05:41,874 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 17:05:41,874 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 17:05:41,874 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:05:41,874 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 253 260) no Hoare annotation was computed. [2020-08-21 17:05:41,875 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 253 260) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-21 17:05:41,875 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 253 260) no Hoare annotation was computed. [2020-08-21 17:05:41,875 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2020-08-21 17:05:41,875 INFO L268 CegarLoopResult]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2020-08-21 17:05:41,875 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 17:05:41,875 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-21 17:05:41,876 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-21 17:05:41,876 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-21 17:05:41,876 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-21 17:05:41,876 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 747 771) the Hoare annotation is: true [2020-08-21 17:05:41,876 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 17:05:41,876 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 747 771) no Hoare annotation was computed. [2020-08-21 17:05:41,876 INFO L268 CegarLoopResult]: For program point L759(lines 759 765) no Hoare annotation was computed. [2020-08-21 17:05:41,877 INFO L264 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-21 17:05:41,877 INFO L268 CegarLoopResult]: For program point L757-1(line 757) no Hoare annotation was computed. [2020-08-21 17:05:41,877 INFO L268 CegarLoopResult]: For program point L755(lines 755 768) no Hoare annotation was computed. [2020-08-21 17:05:41,877 INFO L268 CegarLoopResult]: For program point L755-1(lines 747 771) no Hoare annotation was computed. [2020-08-21 17:05:41,877 INFO L271 CegarLoopResult]: At program point L753(line 753) the Hoare annotation is: true [2020-08-21 17:05:41,877 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-08-21 17:05:41,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:05:41 BoogieIcfgContainer [2020-08-21 17:05:41,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 17:05:41,900 INFO L168 Benchmark]: Toolchain (without parser) took 21385.77 ms. Allocated memory was 140.0 MB in the beginning and 593.5 MB in the end (delta: 453.5 MB). Free memory was 101.9 MB in the beginning and 114.9 MB in the end (delta: -13.1 MB). Peak memory consumption was 446.2 MB. Max. memory is 7.1 GB. [2020-08-21 17:05:41,901 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 17:05:41,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.90 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 171.6 MB in the end (delta: -69.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-08-21 17:05:41,902 INFO L168 Benchmark]: Boogie Preprocessor took 115.09 ms. Allocated memory is still 202.9 MB. Free memory was 171.6 MB in the beginning and 167.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 17:05:41,903 INFO L168 Benchmark]: RCFGBuilder took 1123.02 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.5 MB in the beginning and 201.6 MB in the end (delta: -34.1 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-08-21 17:05:41,905 INFO L168 Benchmark]: TraceAbstraction took 19482.66 ms. Allocated memory was 236.5 MB in the beginning and 593.5 MB in the end (delta: 357.0 MB). Free memory was 200.2 MB in the beginning and 114.9 MB in the end (delta: 85.2 MB). Peak memory consumption was 448.0 MB. Max. memory is 7.1 GB. [2020-08-21 17:05:41,908 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.90 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 171.6 MB in the end (delta: -69.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.09 ms. Allocated memory is still 202.9 MB. Free memory was 171.6 MB in the beginning and 167.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1123.02 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.5 MB in the beginning and 201.6 MB in the end (delta: -34.1 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19482.66 ms. Allocated memory was 236.5 MB in the beginning and 593.5 MB in the end (delta: 357.0 MB). Free memory was 200.2 MB in the beginning and 114.9 MB in the end (delta: 85.2 MB). Peak memory consumption was 448.0 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: 65]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 591 SDslu, 378 SDs, 0 SdLazy, 1499 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 338 PreInvPairs, 411 NumberOfFragments, 645 HoareAnnotationTreeSize, 338 FomulaSimplifications, 55748 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 46 FomulaSimplificationsInter, 14730 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s 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...