/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 22:28:12,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 22:28:12,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 22:28:12,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 22:28:12,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 22:28:12,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 22:28:12,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 22:28:12,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 22:28:12,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 22:28:12,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 22:28:12,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 22:28:12,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 22:28:12,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 22:28:12,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 22:28:12,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 22:28:12,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 22:28:12,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 22:28:12,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 22:28:12,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 22:28:12,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 22:28:12,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 22:28:12,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 22:28:12,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 22:28:12,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 22:28:12,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 22:28:12,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 22:28:12,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 22:28:12,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 22:28:12,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 22:28:12,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 22:28:12,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 22:28:12,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 22:28:12,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 22:28:12,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 22:28:12,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 22:28:12,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 22:28:12,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 22:28:12,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 22:28:12,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 22:28:12,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 22:28:12,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 22:28:12,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 22:28:12,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:28:12,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:28:12,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:28:12,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:28:12,247 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:28:12,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:28:12,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 22:28:12,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:28:12,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 22:28:12,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:28:12,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:28:12,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:28:12,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:28:12,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 22:28:12,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:28:12,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:28:12,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:28:12,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:28:12,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:28:12,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:28:12,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:28:12,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:28:12,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:28:12,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:28:12,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:28:12,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:28:12,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:28:12,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:28:12,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:28:12,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; [2020-08-18 22:28:12,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:28:12,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:28:12,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:28:12,620 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:28:12,621 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:28:12,623 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-08-18 22:28:12,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b28e0eb16/2db530eaade340f6b31493e8b6a2f916/FLAG98b7a75f8 [2020-08-18 22:28:13,266 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:28:13,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-08-18 22:28:13,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b28e0eb16/2db530eaade340f6b31493e8b6a2f916/FLAG98b7a75f8 [2020-08-18 22:28:13,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b28e0eb16/2db530eaade340f6b31493e8b6a2f916 [2020-08-18 22:28:13,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:28:13,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:28:13,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:28:13,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:28:13,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:28:13,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:28:13" (1/1) ... [2020-08-18 22:28:13,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b0f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:13, skipping insertion in model container [2020-08-18 22:28:13,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:28:13" (1/1) ... [2020-08-18 22:28:13,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:28:13,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:28:14,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:28:14,123 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 22:28:14,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:28:14,262 INFO L208 MainTranslator]: Completed translation [2020-08-18 22:28:14,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14 WrapperNode [2020-08-18 22:28:14,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:28:14,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 22:28:14,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 22:28:14,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 22:28:14,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14" (1/1) ... [2020-08-18 22:28:14,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14" (1/1) ... [2020-08-18 22:28:14,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14" (1/1) ... [2020-08-18 22:28:14,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14" (1/1) ... [2020-08-18 22:28:14,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14" (1/1) ... [2020-08-18 22:28:14,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14" (1/1) ... [2020-08-18 22:28:14,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14" (1/1) ... [2020-08-18 22:28:14,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 22:28:14,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 22:28:14,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 22:28:14,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 22:28:14,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:28:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 22:28:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 22:28:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 22:28:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 22:28:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 22:28:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 22:28:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 22:28:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 22:28:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 22:28:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 22:28:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 22:28:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 22:28:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 22:28:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 22:28:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 22:28:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 22:28:14,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 22:28:14,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 22:28:14,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 22:28:14,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 22:28:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 22:28:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 22:28:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 22:28:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 22:28:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 22:28:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 22:28:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 22:28:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 22:28:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 22:28:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 22:28:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 22:28:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 22:28:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 22:28:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 22:28:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 22:28:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 22:28:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 22:28:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 22:28:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 22:28:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 22:28:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 22:28:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 22:28:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 22:28:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 22:28:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 22:28:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 22:28:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 22:28:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 22:28:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 22:28:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 22:28:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 22:28:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 22:28:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 22:28:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 22:28:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 22:28:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 22:28:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 22:28:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 22:28:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 22:28:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 22:28:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 22:28:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 22:28:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 22:28:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 22:28:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 22:28:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 22:28:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 22:28:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 22:28:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 22:28:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 22:28:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 22:28:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 22:28:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 22:28:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 22:28:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 22:28:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 22:28:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 22:28:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 22:28:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 22:28:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 22:28:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 22:28:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 22:28:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 22:28:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 22:28:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 22:28:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 22:28:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 22:28:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 22:28:15,485 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 22:28:15,486 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 22:28:15,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:28:15 BoogieIcfgContainer [2020-08-18 22:28:15,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 22:28:15,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 22:28:15,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 22:28:15,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 22:28:15,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:28:13" (1/3) ... [2020-08-18 22:28:15,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee4577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:28:15, skipping insertion in model container [2020-08-18 22:28:15,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:28:14" (2/3) ... [2020-08-18 22:28:15,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee4577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:28:15, skipping insertion in model container [2020-08-18 22:28:15,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:28:15" (3/3) ... [2020-08-18 22:28:15,501 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-08-18 22:28:15,513 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 22:28:15,521 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 22:28:15,536 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 22:28:15,564 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 22:28:15,564 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 22:28:15,564 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 22:28:15,564 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 22:28:15,564 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 22:28:15,565 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 22:28:15,565 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 22:28:15,565 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 22:28:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2020-08-18 22:28:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 22:28:15,598 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:15,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:28:15,600 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:15,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:15,606 INFO L82 PathProgramCache]: Analyzing trace with hash -789542766, now seen corresponding path program 1 times [2020-08-18 22:28:15,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:15,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059251493] [2020-08-18 22:28:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:16,421 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:16,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:16,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:16,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:16,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:16,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 22:28:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:16,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 22:28:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:28:16,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059251493] [2020-08-18 22:28:16,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:16,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 22:28:16,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319853846] [2020-08-18 22:28:16,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 22:28:16,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:16,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 22:28:16,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:28:16,555 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 3 states. [2020-08-18 22:28:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:17,655 INFO L93 Difference]: Finished difference Result 260 states and 346 transitions. [2020-08-18 22:28:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 22:28:17,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 22:28:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:17,673 INFO L225 Difference]: With dead ends: 260 [2020-08-18 22:28:17,673 INFO L226 Difference]: Without dead ends: 142 [2020-08-18 22:28:17,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 22:28:17,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-08-18 22:28:17,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2020-08-18 22:28:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-08-18 22:28:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2020-08-18 22:28:17,765 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2020-08-18 22:28:17,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:17,766 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2020-08-18 22:28:17,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 22:28:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2020-08-18 22:28:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 22:28:17,769 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:17,770 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:28:17,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 22:28:17,770 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:17,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:17,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1383450513, now seen corresponding path program 1 times [2020-08-18 22:28:17,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:17,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098751496] [2020-08-18 22:28:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:18,095 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:18,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:18,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:18,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:18,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:18,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:18,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 22:28:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 22:28:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:28:18,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098751496] [2020-08-18 22:28:18,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:18,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 22:28:18,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543468587] [2020-08-18 22:28:18,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 22:28:18,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:18,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 22:28:18,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 22:28:18,165 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 4 states. [2020-08-18 22:28:18,580 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:28:19,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:19,248 INFO L93 Difference]: Finished difference Result 183 states and 225 transitions. [2020-08-18 22:28:19,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 22:28:19,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 22:28:19,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:19,252 INFO L225 Difference]: With dead ends: 183 [2020-08-18 22:28:19,252 INFO L226 Difference]: Without dead ends: 126 [2020-08-18 22:28:19,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:28:19,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-08-18 22:28:19,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 100. [2020-08-18 22:28:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 22:28:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-08-18 22:28:19,287 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2020-08-18 22:28:19,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:19,288 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-08-18 22:28:19,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 22:28:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-08-18 22:28:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 22:28:19,290 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:19,291 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] [2020-08-18 22:28:19,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 22:28:19,291 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:19,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:19,291 INFO L82 PathProgramCache]: Analyzing trace with hash -578474638, now seen corresponding path program 1 times [2020-08-18 22:28:19,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:19,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33947122] [2020-08-18 22:28:19,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:19,622 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:19,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:19,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:19,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:19,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:19,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:19,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 22:28:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:19,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 22:28:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:28:19,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33947122] [2020-08-18 22:28:19,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:19,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 22:28:19,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38789749] [2020-08-18 22:28:19,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 22:28:19,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:19,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 22:28:19,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 22:28:19,750 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 8 states. [2020-08-18 22:28:20,146 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 22:28:20,428 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:20,663 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:20,945 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:21,692 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:28:23,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:23,106 INFO L93 Difference]: Finished difference Result 351 states and 439 transitions. [2020-08-18 22:28:23,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 22:28:23,107 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 22:28:23,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:23,112 INFO L225 Difference]: With dead ends: 351 [2020-08-18 22:28:23,112 INFO L226 Difference]: Without dead ends: 275 [2020-08-18 22:28:23,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 22:28:23,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-08-18 22:28:23,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 214. [2020-08-18 22:28:23,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-18 22:28:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 260 transitions. [2020-08-18 22:28:23,177 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 260 transitions. Word has length 52 [2020-08-18 22:28:23,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:23,178 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 260 transitions. [2020-08-18 22:28:23,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 22:28:23,178 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 260 transitions. [2020-08-18 22:28:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 22:28:23,180 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:23,181 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] [2020-08-18 22:28:23,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 22:28:23,181 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:23,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:23,182 INFO L82 PathProgramCache]: Analyzing trace with hash -735622613, now seen corresponding path program 1 times [2020-08-18 22:28:23,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:23,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843978360] [2020-08-18 22:28:23,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:23,531 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:23,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:23,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:23,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:23,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:23,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 22:28:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:23,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 22:28:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:23,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 22:28:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:28:23,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843978360] [2020-08-18 22:28:23,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:23,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 22:28:23,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543005188] [2020-08-18 22:28:23,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 22:28:23,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:23,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 22:28:23,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 22:28:23,630 INFO L87 Difference]: Start difference. First operand 214 states and 260 transitions. Second operand 8 states. [2020-08-18 22:28:23,994 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 22:28:24,947 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:25,278 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 22:28:25,515 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:25,772 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:26,162 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:28:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:26,844 INFO L93 Difference]: Finished difference Result 695 states and 919 transitions. [2020-08-18 22:28:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 22:28:26,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 22:28:26,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:26,856 INFO L225 Difference]: With dead ends: 695 [2020-08-18 22:28:26,856 INFO L226 Difference]: Without dead ends: 505 [2020-08-18 22:28:26,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 22:28:26,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-08-18 22:28:26,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 383. [2020-08-18 22:28:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-08-18 22:28:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 470 transitions. [2020-08-18 22:28:26,955 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 470 transitions. Word has length 57 [2020-08-18 22:28:26,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:26,956 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 470 transitions. [2020-08-18 22:28:26,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 22:28:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 470 transitions. [2020-08-18 22:28:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 22:28:26,960 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:28:26,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:28:26,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 22:28:26,960 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:28:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:28:26,961 INFO L82 PathProgramCache]: Analyzing trace with hash -952119953, now seen corresponding path program 1 times [2020-08-18 22:28:26,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:28:26,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550618645] [2020-08-18 22:28:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:28:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,251 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:27,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:28:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:28:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:28:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:28:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:28:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 22:28:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 22:28:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 22:28:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 22:28:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:28:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:28:27,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550618645] [2020-08-18 22:28:27,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:28:27,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 22:28:27,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895257623] [2020-08-18 22:28:27,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 22:28:27,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:28:27,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 22:28:27,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 22:28:27,361 INFO L87 Difference]: Start difference. First operand 383 states and 470 transitions. Second operand 9 states. [2020-08-18 22:28:27,736 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 22:28:28,640 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:28,928 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:29,211 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 22:28:29,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:28:29,603 INFO L93 Difference]: Finished difference Result 765 states and 1021 transitions. [2020-08-18 22:28:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 22:28:29,604 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 22:28:29,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:28:29,605 INFO L225 Difference]: With dead ends: 765 [2020-08-18 22:28:29,605 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 22:28:29,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 22:28:29,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 22:28:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 22:28:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 22:28:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 22:28:29,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 22:28:29,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:28:29,610 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 22:28:29,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 22:28:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 22:28:29,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 22:28:29,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 22:28:29,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 22:28:33,147 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 22:28:33,301 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:28:33,487 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 22:28:33,831 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 22:28:34,014 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:28:34,170 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:28:34,464 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-18 22:28:34,684 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 22:28:35,008 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 22:28:35,154 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 22:28:35,451 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 22:28:35,771 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 22:28:35,951 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 22:28:36,123 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 22:28:36,308 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 22:28:36,770 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 22:28:36,936 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 22:28:37,101 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:28:37,462 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 22:28:37,626 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:28:37,816 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 22:28:38,012 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 22:28:38,176 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 22:28:38,498 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 22:28:38,524 INFO L268 CegarLoopResult]: For program point L378(lines 355 379) no Hoare annotation was computed. [2020-08-18 22:28:38,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 331 386) no Hoare annotation was computed. [2020-08-18 22:28:38,525 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-08-18 22:28:38,525 INFO L268 CegarLoopResult]: For program point L362-1(lines 362 366) no Hoare annotation was computed. [2020-08-18 22:28:38,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 331 386) no Hoare annotation was computed. [2020-08-18 22:28:38,525 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-08-18 22:28:38,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 331 386) no Hoare annotation was computed. [2020-08-18 22:28:38,525 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 377) no Hoare annotation was computed. [2020-08-18 22:28:38,525 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-08-18 22:28:38,525 INFO L268 CegarLoopResult]: For program point L413-2(lines 413 438) no Hoare annotation was computed. [2020-08-18 22:28:38,525 INFO L268 CegarLoopResult]: For program point L439(lines 412 440) no Hoare annotation was computed. [2020-08-18 22:28:38,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 387 446) no Hoare annotation was computed. [2020-08-18 22:28:38,526 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-08-18 22:28:38,526 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-08-18 22:28:38,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 387 446) no Hoare annotation was computed. [2020-08-18 22:28:38,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 387 446) no Hoare annotation was computed. [2020-08-18 22:28:38,526 INFO L268 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-08-18 22:28:38,526 INFO L268 CegarLoopResult]: For program point L419-1(lines 419 423) no Hoare annotation was computed. [2020-08-18 22:28:38,527 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 666 672) the Hoare annotation is: true [2020-08-18 22:28:38,527 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 666 672) no Hoare annotation was computed. [2020-08-18 22:28:38,527 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 673 681) no Hoare annotation was computed. [2020-08-18 22:28:38,527 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 673 681) the Hoare annotation is: true [2020-08-18 22:28:38,527 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 673 681) no Hoare annotation was computed. [2020-08-18 22:28:38,528 INFO L264 CegarLoopResult]: At program point L770-1(line 770) 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))) [2020-08-18 22:28:38,528 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 764 786) 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))) [2020-08-18 22:28:38,528 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 764 786) no Hoare annotation was computed. [2020-08-18 22:28:38,528 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 764 786) no Hoare annotation was computed. [2020-08-18 22:28:38,529 INFO L264 CegarLoopResult]: At program point L776(line 776) 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)|))) [2020-08-18 22:28:38,529 INFO L264 CegarLoopResult]: At program point L776-1(line 776) 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)|))) [2020-08-18 22:28:38,529 INFO L268 CegarLoopResult]: For program point L774(lines 774 781) no Hoare annotation was computed. [2020-08-18 22:28:38,530 INFO L268 CegarLoopResult]: For program point L774-1(lines 774 781) no Hoare annotation was computed. [2020-08-18 22:28:38,530 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-08-18 22:28:38,530 INFO L264 CegarLoopResult]: At program point L771(line 771) 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))) [2020-08-18 22:28:38,530 INFO L264 CegarLoopResult]: At program point L770(line 770) 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))) [2020-08-18 22:28:38,530 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-08-18 22:28:38,530 INFO L268 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-08-18 22:28:38,530 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 723 746) no Hoare annotation was computed. [2020-08-18 22:28:38,530 INFO L268 CegarLoopResult]: For program point L735(line 735) no Hoare annotation was computed. [2020-08-18 22:28:38,531 INFO L268 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-08-18 22:28:38,531 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-08-18 22:28:38,531 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 723 746) no Hoare annotation was computed. [2020-08-18 22:28:38,531 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-08-18 22:28:38,531 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 723 746) no Hoare annotation was computed. [2020-08-18 22:28:38,531 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-08-18 22:28:38,531 INFO L268 CegarLoopResult]: For program point L730(line 730) no Hoare annotation was computed. [2020-08-18 22:28:38,531 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-08-18 22:28:38,532 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-08-18 22:28:38,532 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-08-18 22:28:38,532 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-08-18 22:28:38,532 INFO L268 CegarLoopResult]: For program point L739(line 739) no Hoare annotation was computed. [2020-08-18 22:28:38,532 INFO L268 CegarLoopResult]: For program point L738(line 738) no Hoare annotation was computed. [2020-08-18 22:28:38,532 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 255 269) no Hoare annotation was computed. [2020-08-18 22:28:38,537 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 255 269) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 22:28:38,537 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 255 269) no Hoare annotation was computed. [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point L259(lines 259 265) no Hoare annotation was computed. [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 210 218) no Hoare annotation was computed. [2020-08-18 22:28:38,538 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 210 218) the Hoare annotation is: true [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 210 218) no Hoare annotation was computed. [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point L226-2(lines 226 234) no Hoare annotation was computed. [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 219 254) no Hoare annotation was computed. [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-18 22:28:38,538 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-18 22:28:38,539 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 219 254) no Hoare annotation was computed. [2020-08-18 22:28:38,539 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 219 254) no Hoare annotation was computed. [2020-08-18 22:28:38,539 INFO L268 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2020-08-18 22:28:38,539 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 659 665) no Hoare annotation was computed. [2020-08-18 22:28:38,539 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 659 665) the Hoare annotation is: true [2020-08-18 22:28:38,539 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 285 330) no Hoare annotation was computed. [2020-08-18 22:28:38,539 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 285 330) no Hoare annotation was computed. [2020-08-18 22:28:38,539 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 285 330) no Hoare annotation was computed. [2020-08-18 22:28:38,539 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 598 643) no Hoare annotation was computed. [2020-08-18 22:28:38,539 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 598 643) no Hoare annotation was computed. [2020-08-18 22:28:38,540 INFO L268 CegarLoopResult]: For program point L618(lines 618 625) no Hoare annotation was computed. [2020-08-18 22:28:38,540 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 598 643) no Hoare annotation was computed. [2020-08-18 22:28:38,540 INFO L268 CegarLoopResult]: For program point L612(lines 612 632) no Hoare annotation was computed. [2020-08-18 22:28:38,540 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 632) no Hoare annotation was computed. [2020-08-18 22:28:38,540 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 754 763) 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))) [2020-08-18 22:28:38,540 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 754 763) no Hoare annotation was computed. [2020-08-18 22:28:38,540 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 754 763) no Hoare annotation was computed. [2020-08-18 22:28:38,540 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 199 209) the Hoare annotation is: true [2020-08-18 22:28:38,540 INFO L271 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: true [2020-08-18 22:28:38,540 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-08-18 22:28:38,540 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 199 209) no Hoare annotation was computed. [2020-08-18 22:28:38,541 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 199 209) no Hoare annotation was computed. [2020-08-18 22:28:38,541 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 191 198) the Hoare annotation is: true [2020-08-18 22:28:38,541 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 191 198) no Hoare annotation was computed. [2020-08-18 22:28:38,541 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 191 198) no Hoare annotation was computed. [2020-08-18 22:28:38,541 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 158 182) no Hoare annotation was computed. [2020-08-18 22:28:38,541 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 158 182) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:28:38,541 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:28:38,541 INFO L268 CegarLoopResult]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2020-08-18 22:28:38,541 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:28:38,541 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:28:38,541 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-08-18 22:28:38,542 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:28:38,542 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-08-18 22:28:38,542 INFO L268 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-08-18 22:28:38,542 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2020-08-18 22:28:38,542 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2020-08-18 22:28:38,542 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2020-08-18 22:28:38,542 INFO L264 CegarLoopResult]: At program point testENTRY(lines 46 113) 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))) [2020-08-18 22:28:38,542 INFO L268 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-08-18 22:28:38,543 INFO L268 CegarLoopResult]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2020-08-18 22:28:38,543 INFO L264 CegarLoopResult]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:28:38,543 INFO L264 CegarLoopResult]: At program point L96(line 96) 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))) [2020-08-18 22:28:38,543 INFO L268 CegarLoopResult]: For program point L94(lines 94 100) no Hoare annotation was computed. [2020-08-18 22:28:38,543 INFO L264 CegarLoopResult]: At program point L94-1(lines 86 101) 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))) [2020-08-18 22:28:38,543 INFO L268 CegarLoopResult]: For program point L57(lines 56 105) no Hoare annotation was computed. [2020-08-18 22:28:38,544 INFO L264 CegarLoopResult]: At program point L88(line 88) 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))) [2020-08-18 22:28:38,544 INFO L268 CegarLoopResult]: For program point L86(lines 86 101) no Hoare annotation was computed. [2020-08-18 22:28:38,544 INFO L264 CegarLoopResult]: At program point L78(line 78) 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))) [2020-08-18 22:28:38,544 INFO L268 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-08-18 22:28:38,544 INFO L268 CegarLoopResult]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2020-08-18 22:28:38,544 INFO L264 CegarLoopResult]: At program point L103(lines 56 105) 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))) [2020-08-18 22:28:38,544 INFO L264 CegarLoopResult]: At program point L68(line 68) 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))) [2020-08-18 22:28:38,544 INFO L268 CegarLoopResult]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2020-08-18 22:28:38,544 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-08-18 22:28:38,544 INFO L268 CegarLoopResult]: For program point L572(lines 572 579) no Hoare annotation was computed. [2020-08-18 22:28:38,544 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 552 597) no Hoare annotation was computed. [2020-08-18 22:28:38,544 INFO L268 CegarLoopResult]: For program point L566(lines 566 586) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 586) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 552 597) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 552 597) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 862 884) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 862 884) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 862 884) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point L870-2(lines 870 878) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 449 551) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point L537(lines 537 548) no Hoare annotation was computed. [2020-08-18 22:28:38,545 INFO L268 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 518) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point L519(lines 497 520) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 449 551) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point L478(lines 478 494) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point L499(lines 498 518) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 449 551) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point L495(lines 495 536) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 649 658) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 649 658) no Hoare annotation was computed. [2020-08-18 22:28:38,546 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 649 658) no Hoare annotation was computed. [2020-08-18 22:28:38,547 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:28:38,547 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.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~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 22:28:38,547 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:28:38,547 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2020-08-18 22:28:38,547 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2020-08-18 22:28:38,547 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 183 190) no Hoare annotation was computed. [2020-08-18 22:28:38,547 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 885 893) no Hoare annotation was computed. [2020-08-18 22:28:38,547 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 885 893) no Hoare annotation was computed. [2020-08-18 22:28:38,547 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 885 893) no Hoare annotation was computed. [2020-08-18 22:28:38,547 INFO L268 CegarLoopResult]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2020-08-18 22:28:38,548 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 841 852) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 22:28:38,548 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 841 852) no Hoare annotation was computed. [2020-08-18 22:28:38,548 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:28:38,548 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 22:28:38,548 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:28:38,548 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:28:38,548 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:28:38,548 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2020-08-18 22:28:38,548 INFO L264 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:28:38,548 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2020-08-18 22:28:38,548 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 22:28:38,548 INFO L268 CegarLoopResult]: For program point L130(lines 129 148) no Hoare annotation was computed. [2020-08-18 22:28:38,549 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-08-18 22:28:38,549 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 693 722) no Hoare annotation was computed. [2020-08-18 22:28:38,549 INFO L271 CegarLoopResult]: At program point L703-2(lines 703 717) the Hoare annotation is: true [2020-08-18 22:28:38,549 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 693 722) the Hoare annotation is: true [2020-08-18 22:28:38,549 INFO L271 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: true [2020-08-18 22:28:38,549 INFO L268 CegarLoopResult]: For program point L699-1(line 699) no Hoare annotation was computed. [2020-08-18 22:28:38,549 INFO L271 CegarLoopResult]: At program point L718(lines 693 722) the Hoare annotation is: true [2020-08-18 22:28:38,549 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-08-18 22:28:38,550 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-08-18 22:28:38,550 INFO L271 CegarLoopResult]: At program point L707-1(lines 707 711) the Hoare annotation is: true [2020-08-18 22:28:38,550 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 853 861) the Hoare annotation is: true [2020-08-18 22:28:38,550 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 853 861) no Hoare annotation was computed. [2020-08-18 22:28:38,550 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 853 861) no Hoare annotation was computed. [2020-08-18 22:28:38,550 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 817 828) the Hoare annotation is: true [2020-08-18 22:28:38,550 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-08-18 22:28:38,551 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-08-18 22:28:38,551 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 747 753) no Hoare annotation was computed. [2020-08-18 22:28:38,551 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 747 753) the Hoare annotation is: true [2020-08-18 22:28:38,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:28:38,551 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 22:28:38,551 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 22:28:38,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:28:38,551 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 270 277) no Hoare annotation was computed. [2020-08-18 22:28:38,552 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 270 277) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 22:28:38,552 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 270 277) no Hoare annotation was computed. [2020-08-18 22:28:38,552 INFO L268 CegarLoopResult]: For program point L833-1(lines 829 840) no Hoare annotation was computed. [2020-08-18 22:28:38,552 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 829 840) no Hoare annotation was computed. [2020-08-18 22:28:38,552 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 829 840) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 22:28:38,552 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 683 690) no Hoare annotation was computed. [2020-08-18 22:28:38,552 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2020-08-18 22:28:38,553 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 683 690) the Hoare annotation is: true [2020-08-18 22:28:38,553 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 683 690) no Hoare annotation was computed. [2020-08-18 22:28:38,553 INFO L268 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2020-08-18 22:28:38,553 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 22:28:38,553 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-08-18 22:28:38,553 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 788 812) the Hoare annotation is: true [2020-08-18 22:28:38,553 INFO L268 CegarLoopResult]: For program point L796(lines 796 809) no Hoare annotation was computed. [2020-08-18 22:28:38,554 INFO L268 CegarLoopResult]: For program point L796-1(lines 788 812) no Hoare annotation was computed. [2020-08-18 22:28:38,554 INFO L271 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: true [2020-08-18 22:28:38,554 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-08-18 22:28:38,554 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 788 812) no Hoare annotation was computed. [2020-08-18 22:28:38,554 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 22:28:38,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:28:38 BoogieIcfgContainer [2020-08-18 22:28:38,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 22:28:38,574 INFO L168 Benchmark]: Toolchain (without parser) took 24910.30 ms. Allocated memory was 139.5 MB in the beginning and 641.7 MB in the end (delta: 502.3 MB). Free memory was 101.3 MB in the beginning and 255.3 MB in the end (delta: -154.0 MB). Peak memory consumption was 523.7 MB. Max. memory is 7.1 GB. [2020-08-18 22:28:38,575 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 22:28:38,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.06 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 168.6 MB in the end (delta: -67.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-08-18 22:28:38,576 INFO L168 Benchmark]: Boogie Preprocessor took 105.00 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 164.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 22:28:38,577 INFO L168 Benchmark]: RCFGBuilder took 1122.53 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 164.5 MB in the beginning and 197.1 MB in the end (delta: -32.6 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-08-18 22:28:38,578 INFO L168 Benchmark]: TraceAbstraction took 23078.66 ms. Allocated memory was 234.9 MB in the beginning and 641.7 MB in the end (delta: 406.8 MB). Free memory was 197.1 MB in the beginning and 255.3 MB in the end (delta: -58.2 MB). Peak memory consumption was 524.1 MB. Max. memory is 7.1 GB. [2020-08-18 22:28:38,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 599.06 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 168.6 MB in the end (delta: -67.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.00 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 164.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1122.53 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 164.5 MB in the beginning and 197.1 MB in the end (delta: -32.6 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23078.66 ms. Allocated memory was 234.9 MB in the beginning and 641.7 MB in the end (delta: 406.8 MB). Free memory was 197.1 MB in the beginning and 255.3 MB in the end (delta: -58.2 MB). Peak memory consumption was 524.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: 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: 55]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 484 SDtfs, 712 SDslu, 466 SDs, 0 SdLazy, 2087 SolverSat, 486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred 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, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 505 PreInvPairs, 608 NumberOfFragments, 704 HoareAnnotationTreeSize, 505 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 53 FomulaSimplificationsInter, 17276 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 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...