/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/nla-digbench/geo3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 22:17:49,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 22:17:49,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 22:17:49,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 22:17:49,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 22:17:49,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 22:17:49,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 22:17:49,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 22:17:49,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 22:17:49,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 22:17:49,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 22:17:49,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 22:17:49,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 22:17:49,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 22:17:49,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 22:17:49,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 22:17:49,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 22:17:49,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 22:17:49,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 22:17:49,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 22:17:49,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 22:17:49,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 22:17:49,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 22:17:49,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 22:17:49,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 22:17:49,703 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 22:17:49,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 22:17:49,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 22:17:49,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 22:17:49,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 22:17:49,722 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 22:17:49,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 22:17:49,722 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 22:17:49,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 22:17:49,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 22:17:49,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 22:17:49,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 22:17:49,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 22:17:49,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 22:17:49,723 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 22:17:49,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 22:17:49,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 22:17:49,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 22:17:49,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 22:17:49,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 22:17:49,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 22:17:49,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 22:17:49,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 22:17:49,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:17:49,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 22:17:49,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 22:17:49,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 22:17:49,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 22:17:49,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 22:17:49,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 22:17:49,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 22:17:49,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 22:17:50,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 22:17:50,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 22:17:50,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 22:17:50,009 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 22:17:50,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo3.c [2019-11-23 22:17:50,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ccc9935/1b95e7eab6ea4fafa4a7225b50e88fac/FLAGa4a271c15 [2019-11-23 22:17:50,550 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 22:17:50,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo3.c [2019-11-23 22:17:50,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ccc9935/1b95e7eab6ea4fafa4a7225b50e88fac/FLAGa4a271c15 [2019-11-23 22:17:50,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ccc9935/1b95e7eab6ea4fafa4a7225b50e88fac [2019-11-23 22:17:50,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 22:17:50,966 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 22:17:50,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 22:17:50,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 22:17:50,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 22:17:50,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:17:50" (1/1) ... [2019-11-23 22:17:50,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623a7446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:50, skipping insertion in model container [2019-11-23 22:17:50,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:17:50" (1/1) ... [2019-11-23 22:17:50,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 22:17:50,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 22:17:51,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:17:51,161 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 22:17:51,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:17:51,190 INFO L208 MainTranslator]: Completed translation [2019-11-23 22:17:51,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51 WrapperNode [2019-11-23 22:17:51,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 22:17:51,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 22:17:51,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 22:17:51,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 22:17:51,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (1/1) ... [2019-11-23 22:17:51,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (1/1) ... [2019-11-23 22:17:51,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 22:17:51,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 22:17:51,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 22:17:51,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 22:17:51,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (1/1) ... [2019-11-23 22:17:51,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (1/1) ... [2019-11-23 22:17:51,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (1/1) ... [2019-11-23 22:17:51,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (1/1) ... [2019-11-23 22:17:51,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (1/1) ... [2019-11-23 22:17:51,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (1/1) ... [2019-11-23 22:17:51,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (1/1) ... [2019-11-23 22:17:51,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 22:17:51,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 22:17:51,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 22:17:51,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 22:17:51,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (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 22:17:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 22:17:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 22:17:51,538 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 22:17:51,539 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-23 22:17:51,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:17:51 BoogieIcfgContainer [2019-11-23 22:17:51,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 22:17:51,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 22:17:51,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 22:17:51,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 22:17:51,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:17:50" (1/3) ... [2019-11-23 22:17:51,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d44e5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:17:51, skipping insertion in model container [2019-11-23 22:17:51,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:51" (2/3) ... [2019-11-23 22:17:51,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d44e5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:17:51, skipping insertion in model container [2019-11-23 22:17:51,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:17:51" (3/3) ... [2019-11-23 22:17:51,547 INFO L109 eAbstractionObserver]: Analyzing ICFG geo3.c [2019-11-23 22:17:51,556 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 22:17:51,562 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-23 22:17:51,573 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-23 22:17:51,596 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 22:17:51,597 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 22:17:51,597 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 22:17:51,597 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 22:17:51,597 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 22:17:51,597 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 22:17:51,598 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 22:17:51,598 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 22:17:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-23 22:17:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-23 22:17:51,618 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:17:51,619 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-23 22:17:51,619 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:17:51,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:17:51,625 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2019-11-23 22:17:51,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:17:51,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739282195] [2019-11-23 22:17:51,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:17:51,707 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 22:17:51,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1383894755] [2019-11-23 22:17:51,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:17:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:17:51,749 WARN L253 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-23 22:17:51,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:17:51,848 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 22:17:51,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739282195] [2019-11-23 22:17:51,849 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 22:17:51,849 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383894755] [2019-11-23 22:17:51,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:17:51,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:17:51,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102476936] [2019-11-23 22:17:51,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 22:17:51,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:17:51,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 22:17:51,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 22:17:51,874 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 4 states. [2019-11-23 22:17:51,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:17:51,974 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2019-11-23 22:17:51,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 22:17:51,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-23 22:17:51,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:17:51,985 INFO L225 Difference]: With dead ends: 37 [2019-11-23 22:17:51,985 INFO L226 Difference]: Without dead ends: 14 [2019-11-23 22:17:51,989 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:17:52,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-23 22:17:52,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-23 22:17:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-23 22:17:52,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-11-23 22:17:52,025 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2019-11-23 22:17:52,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:17:52,025 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-11-23 22:17:52,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 22:17:52,026 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-11-23 22:17:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-23 22:17:52,026 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:17:52,027 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-11-23 22:17:52,230 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:17:52,230 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:17:52,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:17:52,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1360983589, now seen corresponding path program 1 times [2019-11-23 22:17:52,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:17:52,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788084508] [2019-11-23 22:17:52,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:17:52,239 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 22:17:52,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782802913] [2019-11-23 22:17:52,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:17:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:17:52,274 WARN L253 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-23 22:17:52,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:17:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:17:52,357 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788084508] [2019-11-23 22:17:52,358 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 22:17:52,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782802913] [2019-11-23 22:17:52,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-23 22:17:52,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-11-23 22:17:52,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626980958] [2019-11-23 22:17:52,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 22:17:52,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:17:52,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 22:17:52,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:17:52,362 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 6 states. [2019-11-23 22:17:52,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:17:52,441 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-11-23 22:17:52,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 22:17:52,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-11-23 22:17:52,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:17:52,443 INFO L225 Difference]: With dead ends: 23 [2019-11-23 22:17:52,443 INFO L226 Difference]: Without dead ends: 17 [2019-11-23 22:17:52,444 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-23 22:17:52,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-23 22:17:52,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-11-23 22:17:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-23 22:17:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-23 22:17:52,449 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 7 [2019-11-23 22:17:52,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:17:52,450 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-23 22:17:52,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 22:17:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-23 22:17:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 22:17:52,451 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:17:52,452 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2019-11-23 22:17:52,662 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:17:52,662 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:17:52,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:17:52,663 INFO L82 PathProgramCache]: Analyzing trace with hash -565900116, now seen corresponding path program 2 times [2019-11-23 22:17:52,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:17:52,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400657510] [2019-11-23 22:17:52,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:17:52,670 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 22:17:52,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1790919539] [2019-11-23 22:17:52,671 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:17:52,714 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-23 22:17:52,714 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:17:52,716 WARN L253 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-23 22:17:52,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:17:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:17:52,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400657510] [2019-11-23 22:17:52,848 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 22:17:52,849 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790919539] [2019-11-23 22:17:52,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-23 22:17:52,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-11-23 22:17:52,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848090231] [2019-11-23 22:17:52,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-23 22:17:52,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:17:52,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-23 22:17:52,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-23 22:17:52,851 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 8 states. [2019-11-23 22:17:55,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:17:55,061 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-23 22:17:55,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-23 22:17:55,061 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-23 22:17:55,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:17:55,062 INFO L225 Difference]: With dead ends: 26 [2019-11-23 22:17:55,062 INFO L226 Difference]: Without dead ends: 20 [2019-11-23 22:17:55,063 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-23 22:17:55,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-23 22:17:55,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-23 22:17:55,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-23 22:17:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-23 22:17:55,069 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 10 [2019-11-23 22:17:55,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:17:55,069 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-23 22:17:55,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-23 22:17:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-23 22:17:55,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-23 22:17:55,070 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:17:55,081 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2019-11-23 22:17:55,284 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:17:55,285 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:17:55,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:17:55,286 INFO L82 PathProgramCache]: Analyzing trace with hash -978793413, now seen corresponding path program 3 times [2019-11-23 22:17:55,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:17:55,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624897960] [2019-11-23 22:17:55,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:17:55,294 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 22:17:55,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365132087] [2019-11-23 22:17:55,297 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:17:55,337 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-23 22:17:55,338 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:17:55,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-23 22:17:55,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:17:57,804 WARN L192 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 28 [2019-11-23 22:17:57,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:17:59,837 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (= (+ (* (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0) (+ c_ULTIMATE.start_main_~a~0 (* c_ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0)))) is different from true [2019-11-23 22:18:06,119 WARN L192 SmtUtils]: Spent 6.25 s on a formula simplification that was a NOOP. DAG size: 27 [2019-11-23 22:18:06,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:18:08,163 WARN L192 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 19 [2019-11-23 22:18:10,174 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_prenex_4 Int) (v_prenex_3 Int)) (= (+ v_prenex_3 (* (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0) v_prenex_4)) (+ c_ULTIMATE.start_main_~a~0 (* c_ULTIMATE.start_main_~z~0 v_prenex_3)))) (exists ((v_ULTIMATE.start_main_~x~0_14 Int) (v_ULTIMATE.start_main_~y~0_13 Int)) (and (= (+ (* v_ULTIMATE.start_main_~x~0_14 c_ULTIMATE.start_main_~z~0) c_ULTIMATE.start_main_~a~0) c_ULTIMATE.start_main_~x~0) (= (+ c_ULTIMATE.start_main_~a~0 (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~x~0_14)) (+ v_ULTIMATE.start_main_~x~0_14 (* (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0) v_ULTIMATE.start_main_~y~0_13))) (= c_ULTIMATE.start_main_~y~0 (* v_ULTIMATE.start_main_~y~0_13 c_ULTIMATE.start_main_~z~0))))) is different from true [2019-11-23 22:18:10,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:18:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 7 not checked. [2019-11-23 22:18:10,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624897960] [2019-11-23 22:18:10,214 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 22:18:10,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365132087] [2019-11-23 22:18:10,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-23 22:18:10,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-11-23 22:18:10,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051340991] [2019-11-23 22:18:10,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-23 22:18:10,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:18:10,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-23 22:18:10,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2019-11-23 22:18:10,216 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 8 states. [2019-11-23 22:18:20,487 WARN L192 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2019-11-23 22:18:27,098 WARN L192 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2019-11-23 22:18:27,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:18:27,122 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2019-11-23 22:18:27,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-23 22:18:27,122 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-11-23 22:18:27,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:18:27,123 INFO L225 Difference]: With dead ends: 19 [2019-11-23 22:18:27,123 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 22:18:27,123 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 27.5s TimeCoverageRelationStatistics Valid=28, Invalid=33, Unknown=3, NotChecked=26, Total=90 [2019-11-23 22:18:27,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 22:18:27,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 22:18:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 22:18:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 22:18:27,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-23 22:18:27,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:18:27,125 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 22:18:27,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-23 22:18:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 22:18:27,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 22:18:27,328 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:18:27,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 22:18:41,528 WARN L192 SmtUtils]: Spent 14.15 s on a formula simplification that was a NOOP. DAG size: 26 [2019-11-23 22:18:43,139 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-11-23 22:18:43,142 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 22:18:43,143 INFO L440 ceAbstractionStarter]: At program point L27-2(lines 27 36) the Hoare annotation is: (or (and (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~y~0 1)) (and (exists ((v_ULTIMATE.start_main_~x~0_14 Int) (v_ULTIMATE.start_main_~y~0_13 Int)) (and (= (+ (* v_ULTIMATE.start_main_~x~0_14 ULTIMATE.start_main_~z~0) ULTIMATE.start_main_~a~0) ULTIMATE.start_main_~x~0) (= (+ ULTIMATE.start_main_~a~0 (* ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~x~0_14)) (+ v_ULTIMATE.start_main_~x~0_14 (* (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0) v_ULTIMATE.start_main_~y~0_13))) (= ULTIMATE.start_main_~y~0 (* v_ULTIMATE.start_main_~y~0_13 ULTIMATE.start_main_~z~0)))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond))) [2019-11-23 22:18:43,143 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2019-11-23 22:18:43,143 INFO L444 ceAbstractionStarter]: For program point L27-3(lines 27 36) no Hoare annotation was computed. [2019-11-23 22:18:43,144 INFO L444 ceAbstractionStarter]: For program point L11(lines 11 12) no Hoare annotation was computed. [2019-11-23 22:18:43,144 INFO L444 ceAbstractionStarter]: For program point L11-1(lines 11 12) no Hoare annotation was computed. [2019-11-23 22:18:43,144 INFO L447 ceAbstractionStarter]: At program point L38(lines 16 39) the Hoare annotation is: true [2019-11-23 22:18:43,144 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 22:18:43,144 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 22:18:43,144 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2019-11-23 22:18:43,144 INFO L444 ceAbstractionStarter]: For program point L10(lines 10 13) no Hoare annotation was computed. [2019-11-23 22:18:43,145 INFO L440 ceAbstractionStarter]: At program point L10-2(lines 30 31) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond))) (or (and (= (+ ULTIMATE.start_main_~a~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0)) (+ (* (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0)) (exists ((v_prenex_4 Int) (v_prenex_3 Int)) (= (+ ULTIMATE.start_main_~a~0 (* ULTIMATE.start_main_~z~0 v_prenex_3)) (+ v_prenex_3 (* (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0) v_prenex_4)))) .cse0) (and .cse0 (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~y~0 1)))) [2019-11-23 22:18:43,145 INFO L444 ceAbstractionStarter]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2019-11-23 22:18:43,145 INFO L447 ceAbstractionStarter]: At program point L10-5(lines 9 15) the Hoare annotation is: true [2019-11-23 22:18:43,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2019-11-23 22:18:43,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2019-11-23 22:18:43,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2019-11-23 22:18:43,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2019-11-23 22:18:43,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2019-11-23 22:18:43,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2019-11-23 22:18:43,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] [2019-11-23 22:18:43,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] [2019-11-23 22:18:43,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] [2019-11-23 22:18:43,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] [2019-11-23 22:18:43,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:18:43 BoogieIcfgContainer [2019-11-23 22:18:43,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 22:18:43,170 INFO L168 Benchmark]: Toolchain (without parser) took 52203.95 ms. Allocated memory was 138.4 MB in the beginning and 234.9 MB in the end (delta: 96.5 MB). Free memory was 103.3 MB in the beginning and 155.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2019-11-23 22:18:43,171 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-23 22:18:43,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.83 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-23 22:18:43,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.95 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 93.5 MB in the beginning and 180.5 MB in the end (delta: -87.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-11-23 22:18:43,174 INFO L168 Benchmark]: Boogie Preprocessor took 18.02 ms. Allocated memory is still 201.3 MB. Free memory was 180.5 MB in the beginning and 179.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-23 22:18:43,175 INFO L168 Benchmark]: RCFGBuilder took 222.27 ms. Allocated memory is still 201.3 MB. Free memory was 179.2 MB in the beginning and 167.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-11-23 22:18:43,176 INFO L168 Benchmark]: TraceAbstraction took 51627.60 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 167.6 MB in the beginning and 155.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2019-11-23 22:18:43,180 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 223.83 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 107.95 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 93.5 MB in the beginning and 180.5 MB in the end (delta: -87.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.02 ms. Allocated memory is still 201.3 MB. Free memory was 180.5 MB in the beginning and 179.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 222.27 ms. Allocated memory is still 201.3 MB. Free memory was 179.2 MB in the beginning and 167.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 51627.60 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 167.6 MB in the beginning and 155.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant [2019-11-23 22:18:43,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2019-11-23 22:18:43,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2019-11-23 22:18:43,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2019-11-23 22:18:43,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2019-11-23 22:18:43,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2019-11-23 22:18:43,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] Derived loop invariant: ((a + z * x == a * z * y + x && (\exists v_prenex_4 : int, v_prenex_3 : int :: a + z * v_prenex_3 == v_prenex_3 + a * z * v_prenex_4)) && 1 == cond) || ((1 == cond && a == x) && y == 1) - InvariantResult [Line: 27]: Loop Invariant [2019-11-23 22:18:43,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] [2019-11-23 22:18:43,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] [2019-11-23 22:18:43,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_14,QUANTIFIED] [2019-11-23 22:18:43,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] [2019-11-23 22:18:43,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_13,QUANTIFIED] Derived loop invariant: (a == x && y == 1) || ((\exists v_ULTIMATE.start_main_~x~0_14 : int, v_ULTIMATE.start_main_~y~0_13 : int :: (v_ULTIMATE.start_main_~x~0_14 * z + a == x && a + z * v_ULTIMATE.start_main_~x~0_14 == v_ULTIMATE.start_main_~x~0_14 + a * z * v_ULTIMATE.start_main_~y~0_13) && y == v_ULTIMATE.start_main_~y~0_13 * z) && 1 == cond) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 2 error locations. Result: SAFE, OverallTime: 51.5s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.8s, HoareTripleCheckerStatistics: 26 SDtfs, 36 SDslu, 52 SDs, 0 SdLazy, 93 SolverSat, 30 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 27.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=3, 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, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 16 NumberOfFragments, 83 HoareAnnotationTreeSize, 4 FomulaSimplifications, 135 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 15.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 30 ConstructedInterpolants, 9 QuantifiedInterpolants, 3960 SizeOfPredicates, 36 NumberOfNonLiveVariables, 168 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 7/24 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...