/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-data/quick_sort_split.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:30:27,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:30:27,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:30:27,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 21:30:27,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 21:30:27,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 21:30:27,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 21:30:27,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 21:30:27,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 21:30:27,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 21:30:27,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 21:30:27,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 21:30:27,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:30:27,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:30:27,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:30:27,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:30:27,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:30:27,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:30:27,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:30:27,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:30:27,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:30:27,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:30:27,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:30:27,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:30:27,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:30:27,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 21:30:27,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 21:30:27,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 21:30:27,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 21:30:27,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:30:27,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:30:27,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:30:27,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:30:27,557 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:30:27,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:30:27,557 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:30:27,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:30:27,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:30:27,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:30:27,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:30:27,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:30:27,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:30:27,559 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:30:27,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:30:27,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:30:27,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:30:27,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:30:27,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:30:27,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:30:27,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:30:27,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:30:27,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:30:27,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:30:27,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:30:27,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:30:27,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:30:27,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:30:27,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:30:27,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:30:27,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:30:27,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:30:27,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:30:27,856 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:30:27,857 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:30:27,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/quick_sort_split.i [2019-11-23 21:30:27,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83286f540/f1d885f53e9145d09804bc74d4662d24/FLAGde2d4c562 [2019-11-23 21:30:28,474 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:30:28,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i [2019-11-23 21:30:28,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83286f540/f1d885f53e9145d09804bc74d4662d24/FLAGde2d4c562 [2019-11-23 21:30:28,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83286f540/f1d885f53e9145d09804bc74d4662d24 [2019-11-23 21:30:28,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:30:28,772 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:30:28,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:30:28,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:30:28,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:30:28,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:28" (1/1) ... [2019-11-23 21:30:28,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6eb97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:28, skipping insertion in model container [2019-11-23 21:30:28,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:28" (1/1) ... [2019-11-23 21:30:28,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:30:28,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:30:29,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:30:29,263 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:30:29,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:30:29,409 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:30:29,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29 WrapperNode [2019-11-23 21:30:29,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:30:29,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:30:29,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:30:29,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:30:29,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (1/1) ... [2019-11-23 21:30:29,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (1/1) ... [2019-11-23 21:30:29,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:30:29,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:30:29,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:30:29,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:30:29,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (1/1) ... [2019-11-23 21:30:29,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (1/1) ... [2019-11-23 21:30:29,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (1/1) ... [2019-11-23 21:30:29,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (1/1) ... [2019-11-23 21:30:29,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (1/1) ... [2019-11-23 21:30:29,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (1/1) ... [2019-11-23 21:30:29,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (1/1) ... [2019-11-23 21:30:29,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:30:29,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:30:29,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:30:29,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:30:29,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (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 [2019-11-23 21:30:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 21:30:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 21:30:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-23 21:30:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 21:30:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-23 21:30:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-23 21:30:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 21:30:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-23 21:30:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:30:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:30:30,049 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:30:30,050 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-23 21:30:30,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:30 BoogieIcfgContainer [2019-11-23 21:30:30,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:30:30,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:30:30,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:30:30,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:30:30,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:28" (1/3) ... [2019-11-23 21:30:30,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767ef96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:30, skipping insertion in model container [2019-11-23 21:30:30,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:29" (2/3) ... [2019-11-23 21:30:30,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767ef96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:30, skipping insertion in model container [2019-11-23 21:30:30,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:30" (3/3) ... [2019-11-23 21:30:30,059 INFO L109 eAbstractionObserver]: Analyzing ICFG quick_sort_split.i [2019-11-23 21:30:30,069 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:30:30,077 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-23 21:30:30,090 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-23 21:30:30,112 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:30:30,112 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:30:30,112 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:30:30,112 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:30:30,113 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:30:30,113 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:30:30,113 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:30:30,113 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:30:30,126 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-23 21:30:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-23 21:30:30,131 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:30:30,132 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:30:30,132 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:30:30,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:30:30,137 INFO L82 PathProgramCache]: Analyzing trace with hash 2051498666, now seen corresponding path program 1 times [2019-11-23 21:30:30,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:30:30,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560103775] [2019-11-23 21:30:30,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:30:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:30,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560103775] [2019-11-23 21:30:30,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:30:30,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 21:30:30,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187104902] [2019-11-23 21:30:30,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-23 21:30:30,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:30:30,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-23 21:30:30,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-23 21:30:30,298 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-23 21:30:30,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:30:30,317 INFO L93 Difference]: Finished difference Result 41 states and 60 transitions. [2019-11-23 21:30:30,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-23 21:30:30,319 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-23 21:30:30,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:30:30,329 INFO L225 Difference]: With dead ends: 41 [2019-11-23 21:30:30,330 INFO L226 Difference]: Without dead ends: 20 [2019-11-23 21:30:30,333 INFO L630 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 [2019-11-23 21:30:30,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-23 21:30:30,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-23 21:30:30,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-23 21:30:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2019-11-23 21:30:30,370 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 9 [2019-11-23 21:30:30,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:30:30,371 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-23 21:30:30,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-23 21:30:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2019-11-23 21:30:30,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 21:30:30,372 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:30:30,372 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:30:30,373 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:30:30,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:30:30,373 INFO L82 PathProgramCache]: Analyzing trace with hash -804873315, now seen corresponding path program 1 times [2019-11-23 21:30:30,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:30:30,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877952845] [2019-11-23 21:30:30,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:30:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:30,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877952845] [2019-11-23 21:30:30,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:30:30,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:30:30,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802537716] [2019-11-23 21:30:30,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:30:30,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:30:30,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:30:30,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:30:30,437 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. Second operand 3 states. [2019-11-23 21:30:30,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:30:30,449 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2019-11-23 21:30:30,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:30:30,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-23 21:30:30,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:30:30,450 INFO L225 Difference]: With dead ends: 26 [2019-11-23 21:30:30,450 INFO L226 Difference]: Without dead ends: 16 [2019-11-23 21:30:30,451 INFO L630 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 [2019-11-23 21:30:30,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-23 21:30:30,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-23 21:30:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-23 21:30:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-11-23 21:30:30,457 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 10 [2019-11-23 21:30:30,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:30:30,459 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-23 21:30:30,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:30:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-11-23 21:30:30,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-23 21:30:30,460 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:30:30,460 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:30:30,461 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:30:30,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:30:30,461 INFO L82 PathProgramCache]: Analyzing trace with hash 818688432, now seen corresponding path program 1 times [2019-11-23 21:30:30,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:30:30,462 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683896338] [2019-11-23 21:30:30,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:30:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:30,523 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683896338] [2019-11-23 21:30:30,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:30:30,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:30:30,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690340851] [2019-11-23 21:30:30,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:30:30,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:30:30,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:30:30,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:30:30,525 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 3 states. [2019-11-23 21:30:30,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:30:30,542 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-11-23 21:30:30,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:30:30,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-23 21:30:30,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:30:30,543 INFO L225 Difference]: With dead ends: 17 [2019-11-23 21:30:30,543 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:30:30,544 INFO L630 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 [2019-11-23 21:30:30,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:30:30,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:30:30,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:30:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:30:30,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-23 21:30:30,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:30:30,545 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:30:30,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:30:30,545 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:30:30,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:30:30,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:30:30,574 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 599) no Hoare annotation was computed. [2019-11-23 21:30:30,575 INFO L444 ceAbstractionStarter]: For program point L597-1(lines 580 602) no Hoare annotation was computed. [2019-11-23 21:30:30,575 INFO L444 ceAbstractionStarter]: For program point L593(lines 593 594) no Hoare annotation was computed. [2019-11-23 21:30:30,575 INFO L444 ceAbstractionStarter]: For program point L593-2(lines 593 594) no Hoare annotation was computed. [2019-11-23 21:30:30,575 INFO L440 ceAbstractionStarter]: At program point L585-2(lines 585 591) the Hoare annotation is: (and (= ULTIMATE.start_main_~high~0.offset 0) (= ULTIMATE.start_main_~low~0.base 0) (= 0 ULTIMATE.start_main_~high~0.base) (= 0 ULTIMATE.start_main_~low~0.offset)) [2019-11-23 21:30:30,576 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:30:30,576 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:30:30,576 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 576) no Hoare annotation was computed. [2019-11-23 21:30:30,576 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:30:30,576 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 594) no Hoare annotation was computed. [2019-11-23 21:30:30,576 INFO L444 ceAbstractionStarter]: For program point L598(lines 598 599) no Hoare annotation was computed. [2019-11-23 21:30:30,577 INFO L444 ceAbstractionStarter]: For program point L598-2(lines 598 599) no Hoare annotation was computed. [2019-11-23 21:30:30,577 INFO L444 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-11-23 21:30:30,577 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-23 21:30:30,577 INFO L444 ceAbstractionStarter]: For program point L586-2(line 586) no Hoare annotation was computed. [2019-11-23 21:30:30,577 INFO L447 ceAbstractionStarter]: At program point L578(lines 569 579) the Hoare annotation is: true [2019-11-23 21:30:30,577 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:30:30,578 INFO L444 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2019-11-23 21:30:30,578 INFO L447 ceAbstractionStarter]: At program point L562-1(lines 562 577) the Hoare annotation is: true [2019-11-23 21:30:30,578 INFO L444 ceAbstractionStarter]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2019-11-23 21:30:30,578 INFO L444 ceAbstractionStarter]: For program point L571-3(lines 571 577) no Hoare annotation was computed. [2019-11-23 21:30:30,578 INFO L444 ceAbstractionStarter]: For program point L592-1(lines 580 602) no Hoare annotation was computed. [2019-11-23 21:30:30,579 INFO L444 ceAbstractionStarter]: For program point L580(lines 580 602) no Hoare annotation was computed. [2019-11-23 21:30:30,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:30:30 BoogieIcfgContainer [2019-11-23 21:30:30,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:30:30,598 INFO L168 Benchmark]: Toolchain (without parser) took 1824.66 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.4 MB in the beginning and 106.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:30:30,600 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-23 21:30:30,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.06 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.2 MB in the beginning and 168.9 MB in the end (delta: -67.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-11-23 21:30:30,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.02 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 166.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:30:30,605 INFO L168 Benchmark]: Boogie Preprocessor took 56.77 ms. Allocated memory is still 202.9 MB. Free memory was 166.7 MB in the beginning and 164.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-23 21:30:30,606 INFO L168 Benchmark]: RCFGBuilder took 513.65 ms. Allocated memory is still 202.9 MB. Free memory was 164.7 MB in the beginning and 140.2 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-11-23 21:30:30,608 INFO L168 Benchmark]: TraceAbstraction took 542.43 ms. Allocated memory is still 202.9 MB. Free memory was 140.2 MB in the beginning and 106.4 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:30:30,625 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 637.06 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.2 MB in the beginning and 168.9 MB in the end (delta: -67.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.02 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 166.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.77 ms. Allocated memory is still 202.9 MB. Free memory was 166.7 MB in the beginning and 164.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 513.65 ms. Allocated memory is still 202.9 MB. Free memory was 164.7 MB in the beginning and 140.2 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 542.43 ms. Allocated memory is still 202.9 MB. Free memory was 140.2 MB in the beginning and 106.4 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 599]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 594]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((high == 0 && low == 0) && 0 == high) && 0 == low - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 2 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 60 SDtfs, 14 SDslu, 14 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5 NumberOfFragments, 15 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 533 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...