/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:45:16,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:45:16,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:45:16,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:45:16,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:45:16,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:45:16,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:45:16,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:45:16,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:45:16,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:45:16,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:45:16,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:45:16,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:45:16,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:45:16,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:45:16,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:45:16,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:45:16,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:45:16,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:45:16,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:45:16,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:45:16,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:45:16,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:45:16,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:45:16,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:45:16,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:45:16,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:45:16,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:45:16,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:45:16,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:45:16,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:45:16,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:45:16,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:45:16,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:45:16,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:45:16,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:45:16,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:45:16,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:45:16,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:45:16,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:45:16,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:45:16,310 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 [2020-10-13 12:45:16,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:45:16,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:45:16,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:45:16,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:45:16,361 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:45:16,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:45:16,362 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:45:16,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:45:16,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:45:16,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:45:16,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:45:16,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:45:16,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:45:16,363 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:45:16,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:45:16,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:45:16,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:45:16,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:45:16,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:45:16,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:45:16,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:45:16,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:45:16,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:45:16,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:45:16,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:45:16,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:45:16,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:45:16,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:45:16,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:45:16,368 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:45:16,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:45:16,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:45:16,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:45:16,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:45:16,704 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:45:16,704 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-10-13 12:45:16,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/013f43b68/cacf444b79864d539f9381cd8b5b931f/FLAG6e5b46df4 [2020-10-13 12:45:17,319 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:45:17,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-10-13 12:45:17,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/013f43b68/cacf444b79864d539f9381cd8b5b931f/FLAG6e5b46df4 [2020-10-13 12:45:17,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/013f43b68/cacf444b79864d539f9381cd8b5b931f [2020-10-13 12:45:17,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:45:17,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:45:17,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:45:17,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:45:17,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:45:17,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:45:17" (1/1) ... [2020-10-13 12:45:17,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e42023b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:17, skipping insertion in model container [2020-10-13 12:45:17,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:45:17" (1/1) ... [2020-10-13 12:45:17,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:45:17,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:45:18,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:45:18,207 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:45:18,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:45:18,325 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:45:18,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18 WrapperNode [2020-10-13 12:45:18,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:45:18,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:45:18,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:45:18,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:45:18,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18" (1/1) ... [2020-10-13 12:45:18,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18" (1/1) ... [2020-10-13 12:45:18,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18" (1/1) ... [2020-10-13 12:45:18,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18" (1/1) ... [2020-10-13 12:45:18,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18" (1/1) ... [2020-10-13 12:45:18,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18" (1/1) ... [2020-10-13 12:45:18,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18" (1/1) ... [2020-10-13 12:45:18,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:45:18,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:45:18,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:45:18,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:45:18,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18" (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 [2020-10-13 12:45:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:45:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:45:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:45:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:45:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:45:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:45:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:45:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:45:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:45:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:45:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:45:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:45:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:45:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:45:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:45:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:45:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:45:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:45:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:45:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:45:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-13 12:45:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:45:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:45:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:45:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:45:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:45:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:45:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:45:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:45:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:45:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:45:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:45:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:45:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:45:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:45:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:45:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:45:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:45:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:45:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:45:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:45:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:45:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:45:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:45:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:45:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:45:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:45:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:45:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:45:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:45:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:45:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:45:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:45:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:45:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:45:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:45:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:45:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:45:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:45:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:45:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:45:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:45:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:45:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:45:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:45:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:45:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:45:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:45:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:45:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:45:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:45:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-13 12:45:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:45:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:45:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:45:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:45:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:45:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:45:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:45:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:45:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:45:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:45:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:45:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:45:19,629 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:45:19,630 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:45:19,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:45:19 BoogieIcfgContainer [2020-10-13 12:45:19,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:45:19,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:45:19,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:45:19,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:45:19,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:45:17" (1/3) ... [2020-10-13 12:45:19,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152bdd85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:45:19, skipping insertion in model container [2020-10-13 12:45:19,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:18" (2/3) ... [2020-10-13 12:45:19,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152bdd85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:45:19, skipping insertion in model container [2020-10-13 12:45:19,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:45:19" (3/3) ... [2020-10-13 12:45:19,644 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2020-10-13 12:45:19,655 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:45:19,663 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:45:19,677 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:45:19,702 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:45:19,702 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:45:19,702 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:45:19,702 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:45:19,703 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:45:19,703 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:45:19,703 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:45:19,703 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:45:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-10-13 12:45:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:45:19,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:45:19,735 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] [2020-10-13 12:45:19,735 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:45:19,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:45:19,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1141825369, now seen corresponding path program 1 times [2020-10-13 12:45:19,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:45:19,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755595330] [2020-10-13 12:45:19,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:45:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:20,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:20,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:20,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:21,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:21,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:23,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:23,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:45:23,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:45:23,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3725 [2020-10-13 12:45:23,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:45:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:23,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:45:24,127 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:45:24,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:45:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:24,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:24,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:24,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:24,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:24,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 12:45:24,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:24,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-13 12:45:24,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:45:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:24,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:24,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:24,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:24,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:24,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:24,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:24,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:24,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:45:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:24,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:24,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:24,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:24,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:24,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:24,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:24,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:24,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:24,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:24,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:45:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:24,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:24,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:24,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:24,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:24,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:45:24,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:24,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:24,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:24,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:45:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:24,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:24,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:24,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:24,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:24,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:45:24,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:24,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:45:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:24,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:24,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:24,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:24,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:24,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:45:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:24,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:45:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:24,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:24,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:24,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:24,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:24,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:24,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:24,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:24,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:45:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:45:24,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755595330] [2020-10-13 12:45:24,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:45:24,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:45:24,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940114431] [2020-10-13 12:45:24,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:45:24,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:45:24,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:45:24,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:45:24,294 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-10-13 12:45:25,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:45:25,500 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-10-13 12:45:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:45:25,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:45:25,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:45:25,523 INFO L225 Difference]: With dead ends: 199 [2020-10-13 12:45:25,524 INFO L226 Difference]: Without dead ends: 109 [2020-10-13 12:45:25,529 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 [2020-10-13 12:45:25,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-13 12:45:25,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-10-13 12:45:25,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-13 12:45:25,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-10-13 12:45:25,639 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-10-13 12:45:25,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:45:25,640 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-10-13 12:45:25,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:45:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-10-13 12:45:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:45:25,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:45:25,644 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] [2020-10-13 12:45:25,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:45:25,644 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:45:25,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:45:25,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1674217379, now seen corresponding path program 1 times [2020-10-13 12:45:25,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:45:25,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801345728] [2020-10-13 12:45:25,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:45:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:25,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:25,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:25,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:27,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:27,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:28,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:28,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:45:28,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:45:28,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3265 [2020-10-13 12:45:28,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:28,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:45:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:45:28,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:29,227 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:45:29,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:45:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:29,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:29,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:29,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:29,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 12:45:29,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:29,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:29,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:29,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:29,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:29,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:45:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:29,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:29,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:29,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:29,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:29,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:29,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:29,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:45:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:29,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:29,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:29,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:29,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:29,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:29,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:29,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:29,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:45:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:29,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:29,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:29,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:29,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:29,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:29,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:29,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:29,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:45:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:29,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:29,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:29,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:29,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:29,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:29,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:29,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:29,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:29,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:29,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:45:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:29,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:29,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:29,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:29,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:29,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:45:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:29,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:45:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:29,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:29,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:29,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:29,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:29,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:45:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:29,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:45:29,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801345728] [2020-10-13 12:45:29,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:45:29,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:45:29,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996747501] [2020-10-13 12:45:29,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:45:29,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:45:29,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:45:29,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:45:29,321 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-10-13 12:45:29,758 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:45:30,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:45:30,167 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2020-10-13 12:45:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:45:30,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:45:30,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:45:30,171 INFO L225 Difference]: With dead ends: 132 [2020-10-13 12:45:30,171 INFO L226 Difference]: Without dead ends: 93 [2020-10-13 12:45:30,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:45:30,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-13 12:45:30,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-10-13 12:45:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-13 12:45:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-10-13 12:45:30,202 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-10-13 12:45:30,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:45:30,203 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-10-13 12:45:30,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:45:30,203 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-10-13 12:45:30,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:45:30,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:45:30,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:45:30,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:45:30,205 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:45:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:45:30,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1654524971, now seen corresponding path program 1 times [2020-10-13 12:45:30,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:45:30,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745848844] [2020-10-13 12:45:30,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:45:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:30,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:30,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:30,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:32,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:32,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 12:45:32,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:45:32,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1813 [2020-10-13 12:45:32,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:45:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 12:45:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:45:32,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:45:32,329 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:45:32,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:45:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:32,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:32,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:32,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:32,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 12:45:32,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:32,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:32,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:45:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:32,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:32,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:32,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:32,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:32,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:32,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:32,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:32,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:32,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:32,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:32,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:45:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:32,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:32,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:32,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:32,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:32,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:32,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:32,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:32,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:45:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:32,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:32,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:32,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:32,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:32,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:32,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:32,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:32,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:45:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:32,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:32,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:32,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:32,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:32,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:32,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:32,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:32,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:32,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:32,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:45:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:32,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:32,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:32,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:32,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:32,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:45:32,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:45:32,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:32,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:45:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:32,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:32,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:32,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:32,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:32,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:45:32,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:45:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:45:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:45:32,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745848844] [2020-10-13 12:45:32,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:45:32,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:45:32,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168089761] [2020-10-13 12:45:32,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:45:32,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:45:32,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:45:32,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:45:32,476 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 7 states. [2020-10-13 12:45:32,842 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:45:33,771 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-10-13 12:45:34,067 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:45:34,305 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:45:34,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:45:34,406 INFO L93 Difference]: Finished difference Result 129 states and 159 transitions. [2020-10-13 12:45:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:45:34,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-13 12:45:34,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:45:34,408 INFO L225 Difference]: With dead ends: 129 [2020-10-13 12:45:34,408 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:45:34,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:45:34,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:45:34,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:45:34,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:45:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:45:34,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-13 12:45:34,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:45:34,411 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:45:34,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:45:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:45:34,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:45:34,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:45:34,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:45:35,216 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 12 [2020-10-13 12:45:35,355 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 12 [2020-10-13 12:45:35,515 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 12 [2020-10-13 12:45:35,659 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 12 [2020-10-13 12:45:35,798 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 12 [2020-10-13 12:45:35,962 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 12 [2020-10-13 12:45:36,122 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:45:36,326 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:45:36,474 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:45:36,610 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:45:36,759 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 12 [2020-10-13 12:45:36,912 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:45:37,072 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 12 [2020-10-13 12:45:37,266 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:45:37,294 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:45:37,294 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:45:37,295 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 12:45:37,295 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-10-13 12:45:37,295 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:45:37,295 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-10-13 12:45:37,295 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:45:37,295 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:45:37,295 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 12:45:37,296 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-10-13 12:45:37,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:45:37,296 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:45:37,296 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:45:37,296 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 12:45:37,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:45:37,296 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-10-13 12:45:37,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:45:37,296 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-10-13 12:45:37,297 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 744 750) the Hoare annotation is: true [2020-10-13 12:45:37,297 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 744 750) no Hoare annotation was computed. [2020-10-13 12:45:37,298 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 751 759) no Hoare annotation was computed. [2020-10-13 12:45:37,299 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 751 759) the Hoare annotation is: true [2020-10-13 12:45:37,299 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 751 759) no Hoare annotation was computed. [2020-10-13 12:45:37,299 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-10-13 12:45:37,299 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-10-13 12:45:37,299 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:45:37,299 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-10-13 12:45:37,300 INFO L271 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: true [2020-10-13 12:45:37,300 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-10-13 12:45:37,300 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-10-13 12:45:37,300 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-10-13 12:45:37,300 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-10-13 12:45:37,301 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-10-13 12:45:37,301 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 833 855) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,301 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 833 855) no Hoare annotation was computed. [2020-10-13 12:45:37,301 INFO L264 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,301 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 833 855) no Hoare annotation was computed. [2020-10-13 12:45:37,303 INFO L264 CegarLoopResult]: At program point L845-1(line 845) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,303 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-10-13 12:45:37,303 INFO L268 CegarLoopResult]: For program point L843-1(lines 843 850) no Hoare annotation was computed. [2020-10-13 12:45:37,303 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-10-13 12:45:37,304 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,304 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,305 INFO L264 CegarLoopResult]: At program point L839-1(line 839) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,305 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-10-13 12:45:37,305 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-10-13 12:45:37,305 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 792 815) no Hoare annotation was computed. [2020-10-13 12:45:37,306 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-10-13 12:45:37,306 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-10-13 12:45:37,306 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-10-13 12:45:37,306 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 792 815) no Hoare annotation was computed. [2020-10-13 12:45:37,306 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 792 815) no Hoare annotation was computed. [2020-10-13 12:45:37,306 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-10-13 12:45:37,306 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-10-13 12:45:37,306 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-10-13 12:45:37,306 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-10-13 12:45:37,307 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-10-13 12:45:37,307 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-13 12:45:37,307 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-10-13 12:45:37,308 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-10-13 12:45:37,308 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-10-13 12:45:37,308 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2020-10-13 12:45:37,308 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2020-10-13 12:45:37,308 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 632 639) no Hoare annotation was computed. [2020-10-13 12:45:37,308 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 677 685) no Hoare annotation was computed. [2020-10-13 12:45:37,308 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 677 685) the Hoare annotation is: true [2020-10-13 12:45:37,308 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 677 685) no Hoare annotation was computed. [2020-10-13 12:45:37,309 INFO L268 CegarLoopResult]: For program point L705(lines 705 713) no Hoare annotation was computed. [2020-10-13 12:45:37,309 INFO L268 CegarLoopResult]: For program point L705-2(lines 705 713) no Hoare annotation was computed. [2020-10-13 12:45:37,309 INFO L268 CegarLoopResult]: For program point L693(lines 693 701) no Hoare annotation was computed. [2020-10-13 12:45:37,309 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 701) no Hoare annotation was computed. [2020-10-13 12:45:37,309 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 686 721) no Hoare annotation was computed. [2020-10-13 12:45:37,309 INFO L268 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-10-13 12:45:37,309 INFO L268 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-10-13 12:45:37,309 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 686 721) no Hoare annotation was computed. [2020-10-13 12:45:37,309 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 686 721) no Hoare annotation was computed. [2020-10-13 12:45:37,310 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 737 743) no Hoare annotation was computed. [2020-10-13 12:45:37,310 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 737 743) the Hoare annotation is: true [2020-10-13 12:45:37,310 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:45:37,310 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:45:37,310 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:45:37,310 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-10-13 12:45:37,310 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:45:37,311 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:45:37,311 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:45:37,311 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:45:37,311 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:45:37,312 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 823 832) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,312 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 823 832) no Hoare annotation was computed. [2020-10-13 12:45:37,312 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 823 832) no Hoare annotation was computed. [2020-10-13 12:45:37,312 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 666 676) no Hoare annotation was computed. [2020-10-13 12:45:37,312 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-10-13 12:45:37,312 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-10-13 12:45:37,312 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 666 676) no Hoare annotation was computed. [2020-10-13 12:45:37,312 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 666 676) no Hoare annotation was computed. [2020-10-13 12:45:37,312 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 658 665) no Hoare annotation was computed. [2020-10-13 12:45:37,313 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 658 665) no Hoare annotation was computed. [2020-10-13 12:45:37,313 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 658 665) no Hoare annotation was computed. [2020-10-13 12:45:37,313 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 625 631) no Hoare annotation was computed. [2020-10-13 12:45:37,313 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 625 631) the Hoare annotation is: true [2020-10-13 12:45:37,313 INFO L268 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-10-13 12:45:37,314 INFO L264 CegarLoopResult]: At program point testENTRY(lines 530 593) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,314 INFO L264 CegarLoopResult]: At program point L576-2(lines 570 581) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-10-13 12:45:37,314 INFO L268 CegarLoopResult]: For program point L541(lines 540 585) no Hoare annotation was computed. [2020-10-13 12:45:37,314 INFO L268 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2020-10-13 12:45:37,314 INFO L268 CegarLoopResult]: For program point testFINAL(lines 530 593) no Hoare annotation was computed. [2020-10-13 12:45:37,315 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-10-13 12:45:37,315 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-10-13 12:45:37,315 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2020-10-13 12:45:37,315 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-10-13 12:45:37,315 INFO L264 CegarLoopResult]: At program point L583(lines 540 585) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-10-13 12:45:37,315 INFO L268 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2020-10-13 12:45:37,315 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2020-10-13 12:45:37,315 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-10-13 12:45:37,316 INFO L264 CegarLoopResult]: At program point L586(lines 539 587) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:45:37,316 INFO L268 CegarLoopResult]: For program point testEXIT(lines 530 593) no Hoare annotation was computed. [2020-10-13 12:45:37,316 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:45:37,316 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:45:37,316 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:45:37,316 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-10-13 12:45:37,316 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:45:37,316 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:45:37,316 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 495 517) no Hoare annotation was computed. [2020-10-13 12:45:37,317 INFO L268 CegarLoopResult]: For program point L503(lines 503 511) no Hoare annotation was computed. [2020-10-13 12:45:37,317 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 495 517) no Hoare annotation was computed. [2020-10-13 12:45:37,317 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2020-10-13 12:45:37,317 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 495 517) no Hoare annotation was computed. [2020-10-13 12:45:37,317 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-10-13 12:45:37,317 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:45:37,317 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-10-13 12:45:37,317 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-13 12:45:37,318 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-13 12:45:37,318 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-10-13 12:45:37,318 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:45:37,318 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-10-13 12:45:37,318 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:45:37,318 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-10-13 12:45:37,318 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:45:37,318 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-10-13 12:45:37,319 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-10-13 12:45:37,319 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:45:37,319 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-13 12:45:37,319 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-13 12:45:37,319 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 727 736) no Hoare annotation was computed. [2020-10-13 12:45:37,319 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 727 736) no Hoare annotation was computed. [2020-10-13 12:45:37,319 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 727 736) no Hoare annotation was computed. [2020-10-13 12:45:37,319 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:45:37,320 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.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~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:45:37,320 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:45:37,320 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-10-13 12:45:37,320 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 641 657) no Hoare annotation was computed. [2020-10-13 12:45:37,320 INFO L268 CegarLoopResult]: For program point L652-1(lines 641 657) no Hoare annotation was computed. [2020-10-13 12:45:37,320 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 641 657) no Hoare annotation was computed. [2020-10-13 12:45:37,321 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-10-13 12:45:37,321 INFO L268 CegarLoopResult]: For program point L646(line 646) no Hoare annotation was computed. [2020-10-13 12:45:37,321 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-10-13 12:45:37,321 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 518 526) the Hoare annotation is: true [2020-10-13 12:45:37,321 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 518 526) no Hoare annotation was computed. [2020-10-13 12:45:37,321 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 518 526) no Hoare annotation was computed. [2020-10-13 12:45:37,321 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:45:37,321 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:45:37,321 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:45:37,321 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-10-13 12:45:37,322 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 474 485) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:45:37,322 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 474 485) no Hoare annotation was computed. [2020-10-13 12:45:37,322 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 486 494) no Hoare annotation was computed. [2020-10-13 12:45:37,322 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 486 494) no Hoare annotation was computed. [2020-10-13 12:45:37,322 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 486 494) no Hoare annotation was computed. [2020-10-13 12:45:37,322 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:45:37,322 INFO L268 CegarLoopResult]: For program point L605(lines 604 623) no Hoare annotation was computed. [2020-10-13 12:45:37,322 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 601 624) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,323 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 601 624) no Hoare annotation was computed. [2020-10-13 12:45:37,323 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 601 624) no Hoare annotation was computed. [2020-10-13 12:45:37,323 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,323 INFO L264 CegarLoopResult]: At program point L612(lines 612 618) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,323 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-10-13 12:45:37,323 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 762 791) no Hoare annotation was computed. [2020-10-13 12:45:37,323 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-10-13 12:45:37,323 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 762 791) the Hoare annotation is: true [2020-10-13 12:45:37,323 INFO L271 CegarLoopResult]: At program point L787(lines 762 791) the Hoare annotation is: true [2020-10-13 12:45:37,324 INFO L268 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-10-13 12:45:37,324 INFO L268 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-10-13 12:45:37,324 INFO L271 CegarLoopResult]: At program point L776-1(lines 776 780) the Hoare annotation is: true [2020-10-13 12:45:37,325 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-10-13 12:45:37,325 INFO L271 CegarLoopResult]: At program point L772-2(lines 772 786) the Hoare annotation is: true [2020-10-13 12:45:37,325 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 450 461) the Hoare annotation is: true [2020-10-13 12:45:37,325 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 450 461) no Hoare annotation was computed. [2020-10-13 12:45:37,325 INFO L268 CegarLoopResult]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2020-10-13 12:45:37,325 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 816 822) no Hoare annotation was computed. [2020-10-13 12:45:37,325 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 816 822) the Hoare annotation is: true [2020-10-13 12:45:37,325 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:45:37,326 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-13 12:45:37,326 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:45:37,326 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:45:37,326 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-10-13 12:45:37,326 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 462 473) no Hoare annotation was computed. [2020-10-13 12:45:37,326 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 462 473) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:45:37,326 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-10-13 12:45:37,327 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-10-13 12:45:37,327 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-10-13 12:45:37,327 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-10-13 12:45:37,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:45:37 BoogieIcfgContainer [2020-10-13 12:45:37,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:45:37,349 INFO L168 Benchmark]: Toolchain (without parser) took 19671.17 ms. Allocated memory was 147.8 MB in the beginning and 552.6 MB in the end (delta: 404.8 MB). Free memory was 103.0 MB in the beginning and 100.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 414.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:45:37,349 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:45:37,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.17 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 171.2 MB in the end (delta: -68.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:45:37,351 INFO L168 Benchmark]: Boogie Preprocessor took 113.78 ms. Allocated memory is still 203.9 MB. Free memory was 171.2 MB in the beginning and 167.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:45:37,352 INFO L168 Benchmark]: RCFGBuilder took 1194.40 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 196.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:45:37,353 INFO L168 Benchmark]: TraceAbstraction took 17709.71 ms. Allocated memory was 235.4 MB in the beginning and 552.6 MB in the end (delta: 317.2 MB). Free memory was 196.6 MB in the beginning and 100.2 MB in the end (delta: 96.5 MB). Peak memory consumption was 420.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:45:37,358 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.17 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 171.2 MB in the end (delta: -68.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.78 ms. Allocated memory is still 203.9 MB. Free memory was 171.2 MB in the beginning and 167.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1194.40 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 196.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17709.71 ms. Allocated memory was 235.4 MB in the beginning and 552.6 MB in the end (delta: 317.2 MB). Free memory was 196.6 MB in the beginning and 100.2 MB in the end (delta: 96.5 MB). Peak memory consumption was 420.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || splverifierCounter <= 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 206 SDtfs, 227 SDslu, 81 SDs, 0 SdLazy, 428 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 49 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 104 PreInvPairs, 118 NumberOfFragments, 385 HoareAnnotationTreeSize, 104 FomulaSimplifications, 2268 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 40 FomulaSimplificationsInter, 4286 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 34628 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...