java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:03:13,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:03:13,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:03:13,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:03:13,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:03:13,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:03:13,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:03:13,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:03:13,818 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:03:13,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:03:13,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:03:13,819 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:03:13,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:03:13,823 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:03:13,823 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:03:13,823 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:03:13,823 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:03:13,824 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:03:13,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:03:13,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:03:13,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:03:13,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:03:13,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:03:13,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:03:13,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:03:13,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:03:13,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:03:13,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:03:13,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:03:13,828 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:03:13,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:03:13,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:03:13,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:03:13,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:03:13,830 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:03:13,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:03:13,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:03:13,830 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:03:13,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:03:13,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:03:13,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:03:13,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:03:13,906 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:03:13,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2019-09-16 17:03:13,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8dce367/46eb12a01ea44e328a59a848b84f1a5c/FLAGe228b8292 [2019-09-16 17:03:14,472 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:03:14,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2019-09-16 17:03:14,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8dce367/46eb12a01ea44e328a59a848b84f1a5c/FLAGe228b8292 [2019-09-16 17:03:14,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8dce367/46eb12a01ea44e328a59a848b84f1a5c [2019-09-16 17:03:14,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:03:14,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:03:14,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:03:14,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:03:14,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:03:14,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:03:14" (1/1) ... [2019-09-16 17:03:14,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d4930b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:14, skipping insertion in model container [2019-09-16 17:03:14,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:03:14" (1/1) ... [2019-09-16 17:03:14,899 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:03:14,916 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:03:15,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:03:15,108 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:03:15,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:03:15,238 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:03:15,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15 WrapperNode [2019-09-16 17:03:15,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:03:15,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:03:15,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:03:15,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:03:15,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15" (1/1) ... [2019-09-16 17:03:15,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15" (1/1) ... [2019-09-16 17:03:15,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15" (1/1) ... [2019-09-16 17:03:15,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15" (1/1) ... [2019-09-16 17:03:15,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15" (1/1) ... [2019-09-16 17:03:15,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15" (1/1) ... [2019-09-16 17:03:15,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15" (1/1) ... [2019-09-16 17:03:15,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:03:15,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:03:15,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:03:15,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:03:15,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15" (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 [2019-09-16 17:03:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:03:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:03:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:03:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:03:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:03:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:03:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:03:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 17:03:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:03:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:03:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:03:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:03:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:03:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:03:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:03:15,646 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:03:15,646 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-16 17:03:15,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:03:15 BoogieIcfgContainer [2019-09-16 17:03:15,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:03:15,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:03:15,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:03:15,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:03:15,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:03:14" (1/3) ... [2019-09-16 17:03:15,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125b484e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:03:15, skipping insertion in model container [2019-09-16 17:03:15,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:03:15" (2/3) ... [2019-09-16 17:03:15,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125b484e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:03:15, skipping insertion in model container [2019-09-16 17:03:15,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:03:15" (3/3) ... [2019-09-16 17:03:15,656 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2019-09-16 17:03:15,665 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:03:15,674 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:03:15,691 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:03:15,717 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:03:15,718 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:03:15,718 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:03:15,718 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:03:15,718 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:03:15,718 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:03:15,718 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:03:15,718 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:03:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-09-16 17:03:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-09-16 17:03:15,740 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:15,740 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:15,742 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:15,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:15,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1079158542, now seen corresponding path program 1 times [2019-09-16 17:03:15,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:15,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:15,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:15,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:15,796 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:03:15,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:15,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:03:15,983 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:15,986 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:03:15,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:03:15,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:03:16,002 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2019-09-16 17:03:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:16,151 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2019-09-16 17:03:16,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:03:16,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-09-16 17:03:16,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:16,163 INFO L225 Difference]: With dead ends: 38 [2019-09-16 17:03:16,163 INFO L226 Difference]: Without dead ends: 30 [2019-09-16 17:03:16,165 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:03:16,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-09-16 17:03:16,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2019-09-16 17:03:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-09-16 17:03:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-09-16 17:03:16,205 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 11 [2019-09-16 17:03:16,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:16,206 INFO L475 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-09-16 17:03:16,206 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:03:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2019-09-16 17:03:16,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-16 17:03:16,208 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:16,209 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:16,209 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:16,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:16,210 INFO L82 PathProgramCache]: Analyzing trace with hash -476045897, now seen corresponding path program 1 times [2019-09-16 17:03:16,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:16,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:16,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:16,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:16,213 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:03:16,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:16,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:03:16,297 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:16,299 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:03:16,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:03:16,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:03:16,300 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 3 states. [2019-09-16 17:03:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:16,309 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2019-09-16 17:03:16,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:03:16,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-09-16 17:03:16,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:16,311 INFO L225 Difference]: With dead ends: 27 [2019-09-16 17:03:16,311 INFO L226 Difference]: Without dead ends: 26 [2019-09-16 17:03:16,312 INFO L636 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 [2019-09-16 17:03:16,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-09-16 17:03:16,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2019-09-16 17:03:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-09-16 17:03:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2019-09-16 17:03:16,318 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 13 [2019-09-16 17:03:16,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:16,318 INFO L475 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2019-09-16 17:03:16,318 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:03:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2019-09-16 17:03:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-16 17:03:16,320 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:16,320 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:16,320 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:16,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1393486425, now seen corresponding path program 1 times [2019-09-16 17:03:16,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:16,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:16,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:16,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:16,324 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:03:16,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:03:16,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:03:16,655 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:16,656 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:03:16,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:03:16,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:03:16,657 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 9 states. [2019-09-16 17:03:16,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:16,871 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2019-09-16 17:03:16,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:03:16,872 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-09-16 17:03:16,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:16,874 INFO L225 Difference]: With dead ends: 36 [2019-09-16 17:03:16,874 INFO L226 Difference]: Without dead ends: 36 [2019-09-16 17:03:16,875 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:03:16,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-09-16 17:03:16,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 24. [2019-09-16 17:03:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-09-16 17:03:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-09-16 17:03:16,880 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 18 [2019-09-16 17:03:16,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:16,881 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-09-16 17:03:16,881 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:03:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-09-16 17:03:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-16 17:03:16,882 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:03:16,882 INFO L407 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:03:16,883 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:03:16,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:16,883 INFO L82 PathProgramCache]: Analyzing trace with hash 618852702, now seen corresponding path program 1 times [2019-09-16 17:03:16,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:03:16,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:16,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:03:16,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:03:16,885 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:03:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:03:17,906 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 73 [2019-09-16 17:03:20,429 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2019-09-16 17:03:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:03:20,525 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:03:20,525 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:03:20,526 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 21 with the following transitions: [2019-09-16 17:03:20,528 INFO L207 CegarAbsIntRunner]: [0], [1], [5], [12], [14], [16], [22], [31], [42], [45], [47], [50], [52], [53], [54], [55], [57], [58], [59] [2019-09-16 17:03:20,586 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:03:20,587 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:03:20,672 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:03:20,674 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 25 variables. [2019-09-16 17:03:20,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:03:20,678 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:03:20,748 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-09-16 17:03:20,748 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:03:20,751 INFO L420 sIntCurrentIteration]: We unified 19 AI predicates to 19 [2019-09-16 17:03:20,751 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:03:20,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:03:20,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2019-09-16 17:03:20,753 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:03:20,753 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:03:20,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:03:20,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:03:20,754 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 2 states. [2019-09-16 17:03:20,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:03:20,756 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-09-16 17:03:20,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:03:20,756 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2019-09-16 17:03:20,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:03:20,757 INFO L225 Difference]: With dead ends: 6 [2019-09-16 17:03:20,757 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:03:20,758 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:03:20,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:03:20,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:03:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:03:20,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:03:20,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-09-16 17:03:20,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:03:20,760 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:03:20,760 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:03:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:03:20,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:03:20,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:03:20 BoogieIcfgContainer [2019-09-16 17:03:20,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:03:20,770 INFO L168 Benchmark]: Toolchain (without parser) took 5886.00 ms. Allocated memory was 133.7 MB in the beginning and 225.4 MB in the end (delta: 91.8 MB). Free memory was 87.7 MB in the beginning and 115.2 MB in the end (delta: -27.5 MB). Peak memory consumption was 64.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:20,772 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:03:20,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.12 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.5 MB in the beginning and 176.0 MB in the end (delta: -88.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:20,777 INFO L168 Benchmark]: Boogie Preprocessor took 38.60 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 174.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:20,778 INFO L168 Benchmark]: RCFGBuilder took 369.57 ms. Allocated memory is still 199.8 MB. Free memory was 174.3 MB in the beginning and 159.1 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:20,780 INFO L168 Benchmark]: TraceAbstraction took 5118.19 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 159.1 MB in the beginning and 115.2 MB in the end (delta: 43.9 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:03:20,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 355.12 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.5 MB in the beginning and 176.0 MB in the end (delta: -88.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.60 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 174.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 369.57 ms. Allocated memory is still 199.8 MB. Free memory was 174.3 MB in the beginning and 159.1 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5118.19 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 159.1 MB in the beginning and 115.2 MB in the end (delta: 43.9 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. * 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 SDtfs, 29 SDslu, 115 SDs, 0 SdLazy, 97 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9342105263157895 AbsIntWeakeningRatio, 0.9473684210526315 AbsIntAvgWeakeningVarsNumRemoved, 0.3157894736842105 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 27308 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 6/7 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...