/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:14,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:14,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:14,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:14,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:14,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:14,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:14,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:14,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:14,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:14,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:14,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:14,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:14,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:14,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:14,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:14,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:14,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:14,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:14,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:14,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:14,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:14,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:14,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:14,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:14,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:14,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:14,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:14,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:14,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:14,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:14,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:14,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:14,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:14,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:14,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:14,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:14,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:14,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:14,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:14,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:14,611 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:14,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:14,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:14,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:14,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:14,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:14,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:14,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:14,615 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:14,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:14,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:14,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:14,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:14,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:14,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:14,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:14,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:14,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:14,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:14,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:14,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:14,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:15,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:15,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:15,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:15,123 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:15,124 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:15,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2020-12-22 06:57:15,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278559f2d/d1107ed471b64377a61ed43271ba256c/FLAGea7222bd9 [2020-12-22 06:57:15,881 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:15,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2020-12-22 06:57:15,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278559f2d/d1107ed471b64377a61ed43271ba256c/FLAGea7222bd9 [2020-12-22 06:57:16,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278559f2d/d1107ed471b64377a61ed43271ba256c [2020-12-22 06:57:16,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:16,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:16,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:16,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:16,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:16,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:16,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd95d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16, skipping insertion in model container [2020-12-22 06:57:16,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:16,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:16,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:16,780 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c[14465,14478] [2020-12-22 06:57:16,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:16,813 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:16,885 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c[14465,14478] [2020-12-22 06:57:16,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:16,949 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:16,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16 WrapperNode [2020-12-22 06:57:16,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:16,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:16,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:16,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:16,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:17,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:17,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:17,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:17,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:17,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:17,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:17,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:17,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:17,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:17,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:17,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:17,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... [2020-12-22 06:57:17,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:17,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:17,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:17,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:17,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 06:57:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:17,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:18,343 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:18,343 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2020-12-22 06:57:18,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:18 BoogieIcfgContainer [2020-12-22 06:57:18,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:18,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:18,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:18,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:18,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:16" (1/3) ... [2020-12-22 06:57:18,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b31d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:18, skipping insertion in model container [2020-12-22 06:57:18,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:16" (2/3) ... [2020-12-22 06:57:18,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b31d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:18, skipping insertion in model container [2020-12-22 06:57:18,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:18" (3/3) ... [2020-12-22 06:57:18,355 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product05.cil.c [2020-12-22 06:57:18,362 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:18,367 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:18,387 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:18,420 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:18,420 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:18,421 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:18,421 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:18,421 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:18,421 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:18,421 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:18,421 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-12-22 06:57:18,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:18,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:18,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:18,455 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:18,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:18,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1266496800, now seen corresponding path program 1 times [2020-12-22 06:57:18,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:18,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587597041] [2020-12-22 06:57:18,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:18,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587597041] [2020-12-22 06:57:18,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:18,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:18,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487904577] [2020-12-22 06:57:18,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:18,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:18,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:18,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:18,828 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-12-22 06:57:18,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:18,888 INFO L93 Difference]: Finished difference Result 149 states and 220 transitions. [2020-12-22 06:57:18,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:18,890 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:18,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:18,914 INFO L225 Difference]: With dead ends: 149 [2020-12-22 06:57:18,915 INFO L226 Difference]: Without dead ends: 74 [2020-12-22 06:57:18,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:18,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-12-22 06:57:18,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-12-22 06:57:18,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-22 06:57:18,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2020-12-22 06:57:18,984 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 19 [2020-12-22 06:57:18,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:18,985 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2020-12-22 06:57:18,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-12-22 06:57:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:18,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:18,988 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] [2020-12-22 06:57:18,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:18,990 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:18,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:18,992 INFO L82 PathProgramCache]: Analyzing trace with hash 80243804, now seen corresponding path program 1 times [2020-12-22 06:57:18,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:18,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937930060] [2020-12-22 06:57:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:19,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937930060] [2020-12-22 06:57:19,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:19,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:19,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782515182] [2020-12-22 06:57:19,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:19,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:19,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:19,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:19,209 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 3 states. [2020-12-22 06:57:19,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:19,222 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2020-12-22 06:57:19,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:19,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:19,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:19,224 INFO L225 Difference]: With dead ends: 74 [2020-12-22 06:57:19,224 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 06:57:19,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:19,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 06:57:19,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-22 06:57:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-22 06:57:19,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-12-22 06:57:19,232 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 20 [2020-12-22 06:57:19,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:19,232 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-12-22 06:57:19,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-12-22 06:57:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:19,234 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:19,234 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] [2020-12-22 06:57:19,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:19,235 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:19,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:19,235 INFO L82 PathProgramCache]: Analyzing trace with hash 308358552, now seen corresponding path program 1 times [2020-12-22 06:57:19,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:19,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132885942] [2020-12-22 06:57:19,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:19,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:19,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132885942] [2020-12-22 06:57:19,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:19,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:19,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208786548] [2020-12-22 06:57:19,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:19,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:19,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:19,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:19,332 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 3 states. [2020-12-22 06:57:19,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:19,342 INFO L93 Difference]: Finished difference Result 63 states and 89 transitions. [2020-12-22 06:57:19,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:19,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:19,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:19,346 INFO L225 Difference]: With dead ends: 63 [2020-12-22 06:57:19,347 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 06:57:19,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:19,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 06:57:19,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-22 06:57:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-22 06:57:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 47 transitions. [2020-12-22 06:57:19,360 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 47 transitions. Word has length 26 [2020-12-22 06:57:19,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:19,360 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 47 transitions. [2020-12-22 06:57:19,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2020-12-22 06:57:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:57:19,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:19,364 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] [2020-12-22 06:57:19,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:19,365 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:19,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:19,367 INFO L82 PathProgramCache]: Analyzing trace with hash 900868539, now seen corresponding path program 1 times [2020-12-22 06:57:19,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:19,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611644948] [2020-12-22 06:57:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:19,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611644948] [2020-12-22 06:57:19,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:19,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:19,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132741399] [2020-12-22 06:57:19,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:19,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:19,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:19,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:19,530 INFO L87 Difference]: Start difference. First operand 35 states and 47 transitions. Second operand 5 states. [2020-12-22 06:57:19,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:19,640 INFO L93 Difference]: Finished difference Result 85 states and 121 transitions. [2020-12-22 06:57:19,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:19,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-22 06:57:19,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:19,643 INFO L225 Difference]: With dead ends: 85 [2020-12-22 06:57:19,643 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:19,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:19,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:19,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:19,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:19,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-12-22 06:57:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:19,645 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:19,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:19,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:19,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:19,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:19,866 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2020-12-22 06:57:19,867 INFO L185 CegarLoopUtils]: At program point L118(lines 118 124) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:19,867 INFO L185 CegarLoopUtils]: At program point L118-1(lines 118 124) the Hoare annotation is: false [2020-12-22 06:57:19,867 INFO L185 CegarLoopUtils]: At program point L118-2(lines 118 124) the Hoare annotation is: false [2020-12-22 06:57:19,867 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:19,867 INFO L189 CegarLoopUtils]: For program point L251(lines 250 295) no Hoare annotation was computed. [2020-12-22 06:57:19,868 INFO L189 CegarLoopUtils]: For program point L252(lines 252 256) no Hoare annotation was computed. [2020-12-22 06:57:19,868 INFO L189 CegarLoopUtils]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:57:19,868 INFO L189 CegarLoopUtils]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-12-22 06:57:19,868 INFO L189 CegarLoopUtils]: For program point L286-2(lines 280 291) no Hoare annotation was computed. [2020-12-22 06:57:19,868 INFO L185 CegarLoopUtils]: At program point L187(lines 180 190) the Hoare annotation is: false [2020-12-22 06:57:19,868 INFO L185 CegarLoopUtils]: At program point L187-1(lines 180 190) the Hoare annotation is: false [2020-12-22 06:57:19,868 INFO L185 CegarLoopUtils]: At program point L187-2(lines 180 190) the Hoare annotation is: false [2020-12-22 06:57:19,869 INFO L189 CegarLoopUtils]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-12-22 06:57:19,869 INFO L185 CegarLoopUtils]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:19,869 INFO L189 CegarLoopUtils]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:19,869 INFO L185 CegarLoopUtils]: At program point L72-1(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:19,869 INFO L189 CegarLoopUtils]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:19,869 INFO L185 CegarLoopUtils]: At program point L72-3(lines 1 893) the Hoare annotation is: false [2020-12-22 06:57:19,870 INFO L189 CegarLoopUtils]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:19,870 INFO L185 CegarLoopUtils]: At program point L72-5(lines 1 893) the Hoare annotation is: false [2020-12-22 06:57:19,870 INFO L189 CegarLoopUtils]: For program point L766(lines 766 773) no Hoare annotation was computed. [2020-12-22 06:57:19,870 INFO L192 CegarLoopUtils]: At program point L766-1(lines 766 773) the Hoare annotation is: true [2020-12-22 06:57:19,870 INFO L185 CegarLoopUtils]: At program point L882(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:19,871 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:19,871 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2020-12-22 06:57:19,871 INFO L189 CegarLoopUtils]: For program point L786(lines 786 790) no Hoare annotation was computed. [2020-12-22 06:57:19,871 INFO L189 CegarLoopUtils]: For program point L786-3(lines 786 790) no Hoare annotation was computed. [2020-12-22 06:57:19,871 INFO L189 CegarLoopUtils]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:19,871 INFO L189 CegarLoopUtils]: For program point L786-6(lines 786 790) no Hoare annotation was computed. [2020-12-22 06:57:19,871 INFO L189 CegarLoopUtils]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:19,872 INFO L189 CegarLoopUtils]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:19,872 INFO L189 CegarLoopUtils]: For program point L143(lines 143 160) no Hoare annotation was computed. [2020-12-22 06:57:19,872 INFO L189 CegarLoopUtils]: For program point L143-1(lines 143 160) no Hoare annotation was computed. [2020-12-22 06:57:19,872 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:19,872 INFO L189 CegarLoopUtils]: For program point L143-2(lines 143 160) no Hoare annotation was computed. [2020-12-22 06:57:19,872 INFO L189 CegarLoopUtils]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:19,872 INFO L189 CegarLoopUtils]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:19,873 INFO L185 CegarLoopUtils]: At program point L61(lines 111 117) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:19,873 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:19,873 INFO L185 CegarLoopUtils]: At program point L61-1(lines 111 117) the Hoare annotation is: false [2020-12-22 06:57:19,873 INFO L185 CegarLoopUtils]: At program point L61-2(lines 111 117) the Hoare annotation is: false [2020-12-22 06:57:19,874 INFO L185 CegarLoopUtils]: At program point L111(lines 107 129) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:19,874 INFO L185 CegarLoopUtils]: At program point L111-1(lines 107 129) the Hoare annotation is: false [2020-12-22 06:57:19,874 INFO L185 CegarLoopUtils]: At program point L111-2(lines 107 129) the Hoare annotation is: false [2020-12-22 06:57:19,874 INFO L189 CegarLoopUtils]: For program point L260(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:19,874 INFO L185 CegarLoopUtils]: At program point L739(lines 735 741) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:19,875 INFO L185 CegarLoopUtils]: At program point L260-1(lines 260 266) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:19,875 INFO L185 CegarLoopUtils]: At program point L855(lines 850 858) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:19,875 INFO L185 CegarLoopUtils]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2020-12-22 06:57:19,875 INFO L185 CegarLoopUtils]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2020-12-22 06:57:19,875 INFO L185 CegarLoopUtils]: At program point L823(lines 818 826) the Hoare annotation is: false [2020-12-22 06:57:19,875 INFO L185 CegarLoopUtils]: At program point L823-1(lines 818 826) the Hoare annotation is: false [2020-12-22 06:57:19,876 INFO L185 CegarLoopUtils]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2020-12-22 06:57:19,876 INFO L185 CegarLoopUtils]: At program point L691-2(lines 691 705) the Hoare annotation is: false [2020-12-22 06:57:19,876 INFO L185 CegarLoopUtils]: At program point L196(lines 191 199) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:19,876 INFO L185 CegarLoopUtils]: At program point L196-1(lines 191 199) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:19,876 INFO L189 CegarLoopUtils]: For program point L675(line 675) no Hoare annotation was computed. [2020-12-22 06:57:19,877 INFO L185 CegarLoopUtils]: At program point L196-2(lines 191 199) the Hoare annotation is: false [2020-12-22 06:57:19,877 INFO L189 CegarLoopUtils]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-12-22 06:57:19,877 INFO L185 CegarLoopUtils]: At program point L196-3(lines 191 199) the Hoare annotation is: false [2020-12-22 06:57:19,877 INFO L189 CegarLoopUtils]: For program point L675-2(line 675) no Hoare annotation was computed. [2020-12-22 06:57:19,877 INFO L185 CegarLoopUtils]: At program point L196-4(lines 191 199) the Hoare annotation is: false [2020-12-22 06:57:19,877 INFO L185 CegarLoopUtils]: At program point L196-5(lines 191 199) the Hoare annotation is: false [2020-12-22 06:57:19,878 INFO L185 CegarLoopUtils]: At program point L890(lines 885 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:19,878 INFO L189 CegarLoopUtils]: For program point L692(line 692) no Hoare annotation was computed. [2020-12-22 06:57:19,878 INFO L189 CegarLoopUtils]: For program point L147(lines 147 155) no Hoare annotation was computed. [2020-12-22 06:57:19,878 INFO L189 CegarLoopUtils]: For program point L147-1(lines 147 155) no Hoare annotation was computed. [2020-12-22 06:57:19,878 INFO L189 CegarLoopUtils]: For program point L147-2(lines 147 155) no Hoare annotation was computed. [2020-12-22 06:57:19,878 INFO L185 CegarLoopUtils]: At program point L296(lines 249 297) the Hoare annotation is: false [2020-12-22 06:57:19,879 INFO L192 CegarLoopUtils]: At program point L775(lines 756 778) the Hoare annotation is: true [2020-12-22 06:57:19,879 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:19,879 INFO L189 CegarLoopUtils]: For program point L280(lines 280 291) no Hoare annotation was computed. [2020-12-22 06:57:19,879 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2020-12-22 06:57:19,879 INFO L189 CegarLoopUtils]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-12-22 06:57:19,879 INFO L189 CegarLoopUtils]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-12-22 06:57:19,879 INFO L189 CegarLoopUtils]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2020-12-22 06:57:19,880 INFO L185 CegarLoopUtils]: At program point L51(lines 46 53) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:19,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:19 BoogieIcfgContainer [2020-12-22 06:57:19,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:19,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:19,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:19,902 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:19,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:18" (3/4) ... [2020-12-22 06:57:19,907 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:19,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:19,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:19,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:19,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:19,926 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:19,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:19,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:19,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:57:19,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:57:19,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:57:19,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:57:19,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:57:19,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:57:20,065 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product05.cil.c-witness.graphml [2020-12-22 06:57:20,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:20,068 INFO L168 Benchmark]: Toolchain (without parser) took 3861.12 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 65.4 MB in the end (delta: 59.8 MB). Peak memory consumption was 60.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:20,068 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:20,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.54 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 104.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:20,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.37 ms. Allocated memory is still 151.0 MB. Free memory was 104.8 MB in the beginning and 101.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:20,070 INFO L168 Benchmark]: Boogie Preprocessor took 151.14 ms. Allocated memory is still 151.0 MB. Free memory was 101.7 MB in the beginning and 133.2 MB in the end (delta: -31.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:20,070 INFO L168 Benchmark]: RCFGBuilder took 1100.14 ms. Allocated memory is still 151.0 MB. Free memory was 133.2 MB in the beginning and 80.7 MB in the end (delta: 52.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:20,071 INFO L168 Benchmark]: TraceAbstraction took 1553.97 ms. Allocated memory is still 151.0 MB. Free memory was 80.2 MB in the beginning and 72.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:20,072 INFO L168 Benchmark]: Witness Printer took 163.13 ms. Allocated memory is still 151.0 MB. Free memory was 72.8 MB in the beginning and 65.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:20,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 743.54 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 104.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 140.37 ms. Allocated memory is still 151.0 MB. Free memory was 104.8 MB in the beginning and 101.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 151.14 ms. Allocated memory is still 151.0 MB. Free memory was 101.7 MB in the beginning and 133.2 MB in the end (delta: -31.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1100.14 ms. Allocated memory is still 151.0 MB. Free memory was 133.2 MB in the beginning and 80.7 MB in the end (delta: 52.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1553.97 ms. Allocated memory is still 151.0 MB. Free memory was 80.2 MB in the beginning and 72.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.5 MB. Max. memory is 8.0 GB. * Witness Printer took 163.13 ms. Allocated memory is still 151.0 MB. Free memory was 72.8 MB in the beginning and 65.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 675]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 675]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 129 SDslu, 74 SDs, 0 SdLazy, 22 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 58 NumberOfFragments, 160 HoareAnnotationTreeSize, 37 FomulaSimplifications, 158 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 4210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...