/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_spec1_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:59:28,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:59:28,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:59:28,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:59:28,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:59:28,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:59:28,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:59:28,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:59:28,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:59:28,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:59:28,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:59:28,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:59:28,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:59:28,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:59:28,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:59:28,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:59:28,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:59:28,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:59:28,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:59:28,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:59:28,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:59:28,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:59:28,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:59:28,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:59:28,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:59:28,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:59:28,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:59:28,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:59:28,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:59:28,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:59:28,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:59:28,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:59:28,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:59:28,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:59:28,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:59:28,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:59:28,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:59:28,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:59:28,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:59:28,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:59:28,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:59:28,532 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 [2020-10-14 06:59:28,573 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:59:28,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:59:28,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:59:28,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:59:28,575 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:59:28,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:59:28,575 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:59:28,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:59:28,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:59:28,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:59:28,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:59:28,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:59:28,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:59:28,577 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:59:28,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:59:28,578 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:59:28,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:59:28,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:59:28,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:59:28,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:59:28,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:59:28,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:59:28,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:59:28,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:59:28,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:59:28,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:59:28,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:59:28,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:59:28,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:59:28,581 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:59:28,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:59:28,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:59:28,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:59:28,914 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:59:28,915 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:59:28,915 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2020-10-14 06:59:28,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82ca51c84/7736e5a9b0e349f5a9fc836e411f1db1/FLAG97baceb3f [2020-10-14 06:59:29,571 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:59:29,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2020-10-14 06:59:29,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82ca51c84/7736e5a9b0e349f5a9fc836e411f1db1/FLAG97baceb3f [2020-10-14 06:59:29,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82ca51c84/7736e5a9b0e349f5a9fc836e411f1db1 [2020-10-14 06:59:29,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:59:29,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:59:29,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:59:29,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:59:29,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:59:29,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:59:29" (1/1) ... [2020-10-14 06:59:29,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ed2cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:29, skipping insertion in model container [2020-10-14 06:59:29,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:59:29" (1/1) ... [2020-10-14 06:59:29,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:59:29,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:59:30,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:59:30,294 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:59:30,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:59:30,411 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:59:30,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30 WrapperNode [2020-10-14 06:59:30,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:59:30,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:59:30,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:59:30,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:59:30,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30" (1/1) ... [2020-10-14 06:59:30,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30" (1/1) ... [2020-10-14 06:59:30,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30" (1/1) ... [2020-10-14 06:59:30,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30" (1/1) ... [2020-10-14 06:59:30,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30" (1/1) ... [2020-10-14 06:59:30,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30" (1/1) ... [2020-10-14 06:59:30,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30" (1/1) ... [2020-10-14 06:59:30,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:59:30,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:59:30,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:59:30,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:59:30,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30" (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 [2020-10-14 06:59:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:59:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:59:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:59:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 06:59:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 06:59:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 06:59:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 06:59:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 06:59:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 06:59:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-14 06:59:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:59:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:59:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:59:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:59:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-14 06:59:30,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:59:30,603 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 06:59:30,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 06:59:30,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 06:59:30,604 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-14 06:59:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 06:59:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 06:59:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 06:59:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 06:59:30,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 06:59:30,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-14 06:59:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:59:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 06:59:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 06:59:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:59:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 06:59:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:59:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:59:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:59:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:59:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:59:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:59:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:59:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:59:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:59:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:59:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 06:59:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 06:59:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 06:59:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 06:59:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 06:59:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 06:59:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-14 06:59:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:59:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:59:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:59:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:59:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:59:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:59:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 06:59:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-14 06:59:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 06:59:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 06:59:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 06:59:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 06:59:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 06:59:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 06:59:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-14 06:59:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-14 06:59:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 06:59:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 06:59:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:59:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 06:59:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:59:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 06:59:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:59:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:59:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:59:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:59:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:59:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:59:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:59:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:59:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:59:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:59:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:59:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:59:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:59:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:59:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:59:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:59:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:59:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:59:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:59:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:59:31,562 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:59:31,562 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 06:59:31,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:59:31 BoogieIcfgContainer [2020-10-14 06:59:31,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:59:31,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:59:31,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:59:31,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:59:31,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:59:29" (1/3) ... [2020-10-14 06:59:31,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5062a4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:59:31, skipping insertion in model container [2020-10-14 06:59:31,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:30" (2/3) ... [2020-10-14 06:59:31,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5062a4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:59:31, skipping insertion in model container [2020-10-14 06:59:31,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:59:31" (3/3) ... [2020-10-14 06:59:31,576 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2020-10-14 06:59:31,586 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:59:31,594 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:59:31,609 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:59:31,633 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:59:31,634 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:59:31,634 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:59:31,634 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:59:31,634 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:59:31,634 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:59:31,634 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:59:31,635 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:59:31,656 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-10-14 06:59:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 06:59:31,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:59:31,667 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] [2020-10-14 06:59:31,668 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:59:31,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:59:31,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1484220246, now seen corresponding path program 1 times [2020-10-14 06:59:31,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:59:31,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502904508] [2020-10-14 06:59:31,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:59:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:32,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:32,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:32,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:33,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:33,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:36,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:36,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 06:59:36,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:59:36,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4151 [2020-10-14 06:59:36,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:36,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:59:36,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:36,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 06:59:36,522 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:59:36,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:59:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:36,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:36,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:36,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:36,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:36,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 06:59:36,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:36,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:36,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:36,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:59:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:36,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:36,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:36,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:36,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:36,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:36,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:36,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:36,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:36,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:59:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:36,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:36,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:36,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:36,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:36,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:36,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:36,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:36,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:36,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:36,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:36,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:36,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:59:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:36,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:36,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:36,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:36,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:36,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:36,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:36,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:36,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:36,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:59:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:36,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:36,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:36,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:36,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:36,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:36,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:36,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:36,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 06:59:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:36,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:36,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:36,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:36,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:36,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:36,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:36,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:59:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:36,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:36,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 06:59:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:36,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:36,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:36,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:36,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:36,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:36,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:36,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:59:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:36,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:59:36,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502904508] [2020-10-14 06:59:36,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:59:36,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 06:59:36,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557854632] [2020-10-14 06:59:36,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 06:59:36,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:59:36,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 06:59:36,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 06:59:36,647 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-10-14 06:59:37,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:59:37,771 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-10-14 06:59:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 06:59:37,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-14 06:59:37,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:59:37,788 INFO L225 Difference]: With dead ends: 247 [2020-10-14 06:59:37,788 INFO L226 Difference]: Without dead ends: 134 [2020-10-14 06:59:37,793 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 [2020-10-14 06:59:37,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-14 06:59:37,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-10-14 06:59:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-14 06:59:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-10-14 06:59:37,894 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-10-14 06:59:37,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:59:37,897 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-10-14 06:59:37,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 06:59:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-10-14 06:59:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 06:59:37,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:59:37,903 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] [2020-10-14 06:59:37,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:59:37,904 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:59:37,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:59:37,904 INFO L82 PathProgramCache]: Analyzing trace with hash -94502595, now seen corresponding path program 1 times [2020-10-14 06:59:37,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:59:37,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210569244] [2020-10-14 06:59:37,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:59:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:37,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:38,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:38,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:38,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:39,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:41,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:41,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 06:59:41,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:59:41,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3840 [2020-10-14 06:59:41,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:41,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:59:41,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 06:59:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:42,077 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:59:42,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:59:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:42,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:42,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:42,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:42,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:42,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 06:59:42,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:42,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:42,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:42,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:42,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 06:59:42,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:42,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:59:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:42,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:42,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:42,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:42,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:42,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:59:42,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:42,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:59:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:42,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:42,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:42,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:42,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:42,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:42,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:42,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:59:42,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:59:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:42,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:42,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:42,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:42,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:42,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:59:42,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:42,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:42,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:59:42,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:42,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:59:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:42,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:42,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:42,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:42,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:42,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:59:42,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:42,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:42,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:42,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:42,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:59:42,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:42,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 06:59:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:42,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:42,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:42,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:42,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:42,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:42,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:42,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:42,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:59:42,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:42,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:42,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:59:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:42,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:42,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:42,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:42,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:42,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:59:42,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:42,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:59:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:42,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:59:42,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210569244] [2020-10-14 06:59:42,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:59:42,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 06:59:42,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874437567] [2020-10-14 06:59:42,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 06:59:42,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:59:42,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 06:59:42,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 06:59:42,256 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-10-14 06:59:42,645 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 06:59:43,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:59:43,312 INFO L93 Difference]: Finished difference Result 214 states and 271 transitions. [2020-10-14 06:59:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 06:59:43,313 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-14 06:59:43,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:59:43,316 INFO L225 Difference]: With dead ends: 214 [2020-10-14 06:59:43,316 INFO L226 Difference]: Without dead ends: 134 [2020-10-14 06:59:43,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 06:59:43,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-14 06:59:43,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-10-14 06:59:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-14 06:59:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2020-10-14 06:59:43,394 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 47 [2020-10-14 06:59:43,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:59:43,394 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2020-10-14 06:59:43,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 06:59:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2020-10-14 06:59:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 06:59:43,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:59:43,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:59:43,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:59:43,401 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:59:43,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:59:43,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1814316309, now seen corresponding path program 1 times [2020-10-14 06:59:43,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:59:43,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489001086] [2020-10-14 06:59:43,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:59:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:43,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:43,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:43,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:44,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 06:59:47,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:59:47,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4037 [2020-10-14 06:59:47,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 06:59:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 06:59:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 06:59:47,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:59:47,742 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:59:47,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:59:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:47,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:47,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:47,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 06:59:47,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:47,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:47,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:47,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:47,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:59:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:47,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:47,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:59:47,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:59:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:59:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:47,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:47,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:59:47,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:59:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:59:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:47,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:47,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:47,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:47,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:47,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:47,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:47,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:59:47,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:59:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:47,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:47,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:47,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:59:47,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:47,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 06:59:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:47,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:59:47,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:59:47,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:59:47,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:47,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:47,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 06:59:47,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:59:47,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 06:59:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:47,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:47,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:47,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:47,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:47,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:59:47,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:59:47,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 06:59:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:47,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:47,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:59:47,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:59:47,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:59:47,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 06:59:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:47,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:47,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:47,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:47,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:59:47,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:47,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:59:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:59:47,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:59:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:59:47,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489001086] [2020-10-14 06:59:47,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:59:47,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 06:59:47,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13282823] [2020-10-14 06:59:47,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 06:59:47,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:59:47,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 06:59:47,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 06:59:47,857 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 8 states. [2020-10-14 06:59:48,455 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 06:59:49,222 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 06:59:49,483 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 06:59:49,716 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 06:59:49,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:59:49,874 INFO L93 Difference]: Finished difference Result 176 states and 219 transitions. [2020-10-14 06:59:49,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 06:59:49,875 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-14 06:59:49,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:59:49,876 INFO L225 Difference]: With dead ends: 176 [2020-10-14 06:59:49,876 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 06:59:49,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 06:59:49,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 06:59:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 06:59:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 06:59:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 06:59:49,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-10-14 06:59:49,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:59:49,879 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 06:59:49,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 06:59:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 06:59:49,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 06:59:49,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:59:49,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 06:59:51,210 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-14 06:59:51,348 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 06:59:51,502 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 06:59:51,704 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 06:59:51,871 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 06:59:52,026 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 06:59:52,233 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:59:52,380 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 06:59:52,543 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-14 06:59:52,699 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 06:59:52,856 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 06:59:53,001 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 06:59:53,164 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 06:59:53,312 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 06:59:53,457 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 06:59:53,650 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 06:59:53,807 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 06:59:53,956 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 06:59:54,114 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 06:59:54,267 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 06:59:54,271 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-10-14 06:59:54,272 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 634) no Hoare annotation was computed. [2020-10-14 06:59:54,272 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 599 654) no Hoare annotation was computed. [2020-10-14 06:59:54,272 INFO L268 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-10-14 06:59:54,272 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 645) no Hoare annotation was computed. [2020-10-14 06:59:54,272 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 599 654) no Hoare annotation was computed. [2020-10-14 06:59:54,272 INFO L268 CegarLoopResult]: For program point L646(lines 623 647) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 599 654) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 655 714) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 655 714) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 691) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 655 714) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 706) no Hoare annotation was computed. [2020-10-14 06:59:54,273 INFO L268 CegarLoopResult]: For program point L707(lines 680 708) no Hoare annotation was computed. [2020-10-14 06:59:54,274 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2020-10-14 06:59:54,274 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2020-10-14 06:59:54,274 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2020-10-14 06:59:54,274 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2020-10-14 06:59:54,274 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2020-10-14 06:59:54,274 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 06:59:54,274 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-10-14 06:59:54,275 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 06:59:54,275 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 06:59:54,275 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-10-14 06:59:54,275 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-10-14 06:59:54,275 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-14 06:59:54,275 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 06:59:54,276 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 06:59:54,276 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 06:59:54,276 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-10-14 06:59:54,276 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 482 505) no Hoare annotation was computed. [2020-10-14 06:59:54,276 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 482 505) no Hoare annotation was computed. [2020-10-14 06:59:54,276 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 482 505) no Hoare annotation was computed. [2020-10-14 06:59:54,276 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-14 06:59:54,276 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-14 06:59:54,277 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-14 06:59:54,277 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 06:59:54,277 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-14 06:59:54,277 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-14 06:59:54,277 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 06:59:54,277 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-14 06:59:54,277 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-14 06:59:54,277 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 06:59:54,277 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-14 06:59:54,278 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-14 06:59:54,278 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 06:59:54,278 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-14 06:59:54,278 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 320 328) no Hoare annotation was computed. [2020-10-14 06:59:54,278 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 320 328) the Hoare annotation is: true [2020-10-14 06:59:54,278 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 320 328) no Hoare annotation was computed. [2020-10-14 06:59:54,278 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 365 383) the Hoare annotation is: true [2020-10-14 06:59:54,278 INFO L268 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-10-14 06:59:54,278 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 365 383) no Hoare annotation was computed. [2020-10-14 06:59:54,278 INFO L271 CegarLoopResult]: At program point L372(line 372) the Hoare annotation is: true [2020-10-14 06:59:54,278 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point L372-1(line 372) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 365 383) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point L348(lines 348 356) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point L348-2(lines 348 356) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 329 364) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 329 364) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 329 364) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2020-10-14 06:59:54,279 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 553 598) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 553 598) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 553 598) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 866 911) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 866 911) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 866 911) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 513 522) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2020-10-14 06:59:54,280 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 309 319) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 309 319) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point L314-1(line 314) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 309 319) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 301 308) the Hoare annotation is: true [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-10-14 06:59:54,281 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2020-10-14 06:59:54,282 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,282 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,282 INFO L268 CegarLoopResult]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2020-10-14 06:59:54,282 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,282 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,282 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-10-14 06:59:54,282 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 242 248) no Hoare annotation was computed. [2020-10-14 06:59:54,283 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 242 248) the Hoare annotation is: true [2020-10-14 06:59:54,283 INFO L264 CegarLoopResult]: At program point testENTRY(lines 386 449) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 06:59:54,283 INFO L264 CegarLoopResult]: At program point L442(lines 395 443) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 06:59:54,283 INFO L268 CegarLoopResult]: For program point testFINAL(lines 386 449) no Hoare annotation was computed. [2020-10-14 06:59:54,283 INFO L268 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-10-14 06:59:54,283 INFO L264 CegarLoopResult]: At program point L432-2(lines 426 437) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 06:59:54,283 INFO L268 CegarLoopResult]: For program point L397(lines 396 441) no Hoare annotation was computed. [2020-10-14 06:59:54,283 INFO L268 CegarLoopResult]: For program point L426(lines 426 437) no Hoare annotation was computed. [2020-10-14 06:59:54,283 INFO L264 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 06:59:54,284 INFO L268 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2020-10-14 06:59:54,284 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2020-10-14 06:59:54,284 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 06:59:54,284 INFO L264 CegarLoopResult]: At program point L439(lines 396 441) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 06:59:54,284 INFO L268 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-10-14 06:59:54,284 INFO L268 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-10-14 06:59:54,284 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-10-14 06:59:54,284 INFO L268 CegarLoopResult]: For program point testEXIT(lines 386 449) no Hoare annotation was computed. [2020-10-14 06:59:54,284 INFO L268 CegarLoopResult]: For program point L834-1(lines 834 854) no Hoare annotation was computed. [2020-10-14 06:59:54,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 820 865) no Hoare annotation was computed. [2020-10-14 06:59:54,285 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 820 865) no Hoare annotation was computed. [2020-10-14 06:59:54,285 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 820 865) no Hoare annotation was computed. [2020-10-14 06:59:54,285 INFO L268 CegarLoopResult]: For program point L840(lines 840 847) no Hoare annotation was computed. [2020-10-14 06:59:54,285 INFO L268 CegarLoopResult]: For program point L834(lines 834 854) no Hoare annotation was computed. [2020-10-14 06:59:54,285 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 275 282) no Hoare annotation was computed. [2020-10-14 06:59:54,285 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 275 282) no Hoare annotation was computed. [2020-10-14 06:59:54,285 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 275 282) no Hoare annotation was computed. [2020-10-14 06:59:54,285 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-10-14 06:59:54,285 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-10-14 06:59:54,285 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 140 149) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point L768(lines 768 772) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 717 819) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 786) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point L787(lines 765 788) no Hoare annotation was computed. [2020-10-14 06:59:54,286 INFO L268 CegarLoopResult]: For program point L746(lines 746 762) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 717 819) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point L767(lines 766 786) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point L763(lines 763 804) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 717 819) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point L741(lines 741 745) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point L805(lines 805 816) no Hoare annotation was computed. [2020-10-14 06:59:54,287 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 06:59:54,288 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.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~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-14 06:59:54,288 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 06:59:54,288 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-10-14 06:59:54,288 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-10-14 06:59:54,288 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 284 300) no Hoare annotation was computed. [2020-10-14 06:59:54,288 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 284 300) no Hoare annotation was computed. [2020-10-14 06:59:54,288 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-10-14 06:59:54,288 INFO L268 CegarLoopResult]: For program point L295-1(lines 284 300) no Hoare annotation was computed. [2020-10-14 06:59:54,289 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-10-14 06:59:54,289 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-10-14 06:59:54,289 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-10-14 06:59:54,289 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-10-14 06:59:54,289 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-10-14 06:59:54,289 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 06:59:54,289 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-10-14 06:59:54,289 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 06:59:54,289 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 06:59:54,290 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 06:59:54,290 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-10-14 06:59:54,290 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-10-14 06:59:54,290 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-10-14 06:59:54,290 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,290 INFO L268 CegarLoopResult]: For program point L222(lines 221 240) no Hoare annotation was computed. [2020-10-14 06:59:54,290 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 218 241) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,290 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 218 241) no Hoare annotation was computed. [2020-10-14 06:59:54,291 INFO L264 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,291 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 218 241) no Hoare annotation was computed. [2020-10-14 06:59:54,291 INFO L264 CegarLoopResult]: At program point L229(lines 229 235) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,291 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 452 481) no Hoare annotation was computed. [2020-10-14 06:59:54,291 INFO L271 CegarLoopResult]: At program point L477(lines 452 481) the Hoare annotation is: true [2020-10-14 06:59:54,291 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 452 481) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,291 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 06:59:54,291 INFO L268 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-10-14 06:59:54,292 INFO L264 CegarLoopResult]: At program point L466-1(lines 466 470) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,292 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-14 06:59:54,292 INFO L264 CegarLoopResult]: At program point L462-2(lines 462 476) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,292 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 06:59:54,292 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-10-14 06:59:54,292 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-10-14 06:59:54,292 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-10-14 06:59:54,292 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-10-14 06:59:54,293 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 506 512) no Hoare annotation was computed. [2020-10-14 06:59:54,293 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 506 512) the Hoare annotation is: true [2020-10-14 06:59:54,293 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 06:59:54,293 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-14 06:59:54,293 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 06:59:54,293 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 06:59:54,293 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-10-14 06:59:54,293 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-10-14 06:59:54,294 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-14 06:59:54,294 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2020-10-14 06:59:54,294 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-10-14 06:59:54,294 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2020-10-14 06:59:54,294 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2020-10-14 06:59:54,294 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 06:59:54,294 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2020-10-14 06:59:54,295 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-10-14 06:59:54,295 INFO L271 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: true [2020-10-14 06:59:54,295 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-10-14 06:59:54,295 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-10-14 06:59:54,295 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2020-10-14 06:59:54,295 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2020-10-14 06:59:54,295 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-10-14 06:59:54,295 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-10-14 06:59:54,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:59:54 BoogieIcfgContainer [2020-10-14 06:59:54,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 06:59:54,315 INFO L168 Benchmark]: Toolchain (without parser) took 24476.19 ms. Allocated memory was 146.3 MB in the beginning and 641.7 MB in the end (delta: 495.5 MB). Free memory was 101.1 MB in the beginning and 372.5 MB in the end (delta: -271.4 MB). Peak memory consumption was 504.8 MB. Max. memory is 7.1 GB. [2020-10-14 06:59:54,316 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 06:59:54,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.06 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 171.9 MB in the end (delta: -70.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-10-14 06:59:54,317 INFO L168 Benchmark]: Boogie Preprocessor took 123.27 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 166.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-14 06:59:54,318 INFO L168 Benchmark]: RCFGBuilder took 1030.59 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 166.7 MB in the beginning and 197.3 MB in the end (delta: -30.6 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-10-14 06:59:54,319 INFO L168 Benchmark]: TraceAbstraction took 22744.11 ms. Allocated memory was 235.4 MB in the beginning and 641.7 MB in the end (delta: 406.3 MB). Free memory was 197.3 MB in the beginning and 372.5 MB in the end (delta: -175.3 MB). Peak memory consumption was 511.9 MB. Max. memory is 7.1 GB. [2020-10-14 06:59:54,323 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 572.06 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 171.9 MB in the end (delta: -70.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.27 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 166.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1030.59 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 166.7 MB in the beginning and 197.3 MB in the end (delta: -30.6 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22744.11 ms. Allocated memory was 235.4 MB in the beginning and 641.7 MB in the end (delta: 406.3 MB). Free memory was 197.3 MB in the beginning and 372.5 MB in the end (delta: -175.3 MB). Peak memory consumption was 511.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 462]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(1 <= systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 262 SDtfs, 365 SDslu, 55 SDs, 0 SdLazy, 487 SolverSat, 208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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, 60 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 176 PreInvPairs, 206 NumberOfFragments, 626 HoareAnnotationTreeSize, 176 FomulaSimplifications, 5091 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 5484 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 38468 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...