/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 22:26:14,944 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-06 22:26:14,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 22:26:14,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 22:26:14,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 22:26:14,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 22:26:14,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 22:26:14,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 22:26:14,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 22:26:14,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-11-06 22:26:15,030 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 [2019-11-06 22:26:15,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 22:26:15,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 22:26:15,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 22:26:15,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 22:26:15,060 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 22:26:15,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 22:26:15,060 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 22:26:15,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 22:26:15,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 22:26:15,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 22:26:15,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 22:26:15,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 22:26:15,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 22:26:15,062 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 22:26:15,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 22:26:15,062 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 22:26:15,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 22:26:15,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 22:26:15,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 22:26:15,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 22:26:15,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 22:26:15,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:26:15,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 22:26:15,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 22:26:15,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 22:26:15,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 22:26:15,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 22:26:15,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 22:26:15,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 22:26:15,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 22:26:15,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 22:26:15,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 22:26:15,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 22:26:15,354 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 22:26:15,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-11-06 22:26:15,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da7c7c4dd/9b96db52f84d453a95ea689863e6b870/FLAGa70f9d2c3 [2019-11-06 22:26:15,787 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 22:26:15,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-11-06 22:26:15,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da7c7c4dd/9b96db52f84d453a95ea689863e6b870/FLAGa70f9d2c3 [2019-11-06 22:26:16,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da7c7c4dd/9b96db52f84d453a95ea689863e6b870 [2019-11-06 22:26:16,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 22:26:16,169 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 22:26:16,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 22:26:16,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 22:26:16,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 22:26:16,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:16" (1/1) ... [2019-11-06 22:26:16,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de322ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16, skipping insertion in model container [2019-11-06 22:26:16,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:26:16" (1/1) ... [2019-11-06 22:26:16,193 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 22:26:16,216 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 22:26:16,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:26:16,510 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 22:26:16,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:26:16,664 INFO L192 MainTranslator]: Completed translation [2019-11-06 22:26:16,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16 WrapperNode [2019-11-06 22:26:16,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 22:26:16,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 22:26:16,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 22:26:16,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 22:26:16,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16" (1/1) ... [2019-11-06 22:26:16,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16" (1/1) ... [2019-11-06 22:26:16,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16" (1/1) ... [2019-11-06 22:26:16,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16" (1/1) ... [2019-11-06 22:26:16,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16" (1/1) ... [2019-11-06 22:26:16,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16" (1/1) ... [2019-11-06 22:26:16,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16" (1/1) ... [2019-11-06 22:26:16,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 22:26:16,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 22:26:16,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 22:26:16,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 22:26:16,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:26:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 22:26:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 22:26:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-06 22:26:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure insert [2019-11-06 22:26:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure elem_exists [2019-11-06 22:26:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 22:26:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 22:26:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-06 22:26:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 22:26:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure insert [2019-11-06 22:26:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 22:26:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure elem_exists [2019-11-06 22:26:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 22:26:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 22:26:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 22:26:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 22:26:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 22:26:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 22:26:17,176 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 22:26:17,177 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 22:26:17,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:17 BoogieIcfgContainer [2019-11-06 22:26:17,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 22:26:17,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 22:26:17,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 22:26:17,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 22:26:17,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:26:16" (1/3) ... [2019-11-06 22:26:17,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f9b6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:17, skipping insertion in model container [2019-11-06 22:26:17,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:26:16" (2/3) ... [2019-11-06 22:26:17,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f9b6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:26:17, skipping insertion in model container [2019-11-06 22:26:17,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:26:17" (3/3) ... [2019-11-06 22:26:17,191 INFO L109 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2019-11-06 22:26:17,199 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 22:26:17,205 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 22:26:17,216 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 22:26:17,241 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 22:26:17,241 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 22:26:17,241 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 22:26:17,241 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 22:26:17,242 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 22:26:17,242 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 22:26:17,242 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 22:26:17,242 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 22:26:17,262 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2019-11-06 22:26:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-06 22:26:17,268 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:26:17,269 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:26:17,270 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:26:17,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:26:17,275 INFO L82 PathProgramCache]: Analyzing trace with hash 528217166, now seen corresponding path program 1 times [2019-11-06 22:26:17,284 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:26:17,284 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165899112] [2019-11-06 22:26:17,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:26:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:26:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:26:17,448 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165899112] [2019-11-06 22:26:17,449 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:26:17,449 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 22:26:17,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829705100] [2019-11-06 22:26:17,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 22:26:17,456 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:26:17,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 22:26:17,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:26:17,469 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 3 states. [2019-11-06 22:26:17,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:26:17,611 INFO L93 Difference]: Finished difference Result 150 states and 228 transitions. [2019-11-06 22:26:17,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 22:26:17,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-06 22:26:17,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:26:17,625 INFO L225 Difference]: With dead ends: 150 [2019-11-06 22:26:17,625 INFO L226 Difference]: Without dead ends: 89 [2019-11-06 22:26:17,630 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:26:17,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-06 22:26:17,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 57. [2019-11-06 22:26:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-06 22:26:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2019-11-06 22:26:17,683 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 14 [2019-11-06 22:26:17,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:26:17,684 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2019-11-06 22:26:17,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 22:26:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2019-11-06 22:26:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-06 22:26:17,685 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:26:17,685 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:26:17,686 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:26:17,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:26:17,686 INFO L82 PathProgramCache]: Analyzing trace with hash 396779504, now seen corresponding path program 1 times [2019-11-06 22:26:17,687 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:26:17,687 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681699464] [2019-11-06 22:26:17,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:26:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:26:17,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:26:17,753 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681699464] [2019-11-06 22:26:17,754 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859155186] [2019-11-06 22:26:17,754 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 [2019-11-06 22:26:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:26:17,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 22:26:17,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 22:26:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:26:17,847 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 22:26:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:26:17,886 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [989056866] [2019-11-06 22:26:17,903 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 17 [2019-11-06 22:26:17,955 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-06 22:26:17,955 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-06 22:26:18,026 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-06 22:26:18,028 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 16 root evaluator evaluations with a maximum evaluation depth of 0. Performed 16 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 21 variables. [2019-11-06 22:26:18,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:26:18,032 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-06 22:26:18,068 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-11-06 22:26:18,068 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-06 22:26:18,070 INFO L553 sIntCurrentIteration]: We unified 15 AI predicates to 15 [2019-11-06 22:26:18,070 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-06 22:26:18,071 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-06 22:26:18,071 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4, 4] total 7 [2019-11-06 22:26:18,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65775882] [2019-11-06 22:26:18,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-06 22:26:18,075 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:26:18,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 22:26:18,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-11-06 22:26:18,076 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand 2 states. [2019-11-06 22:26:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:26:18,085 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2019-11-06 22:26:18,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-06 22:26:18,088 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-06 22:26:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:26:18,090 INFO L225 Difference]: With dead ends: 57 [2019-11-06 22:26:18,090 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 22:26:18,092 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-11-06 22:26:18,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 22:26:18,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 22:26:18,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 22:26:18,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 22:26:18,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-11-06 22:26:18,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:26:18,095 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 22:26:18,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-06 22:26:18,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 22:26:18,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 22:26:18,301 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 22:26:18,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 22:26:18,373 INFO L446 ceAbstractionStarter]: At program point elem_existsENTRY(lines 9 15) the Hoare annotation is: true [2019-11-06 22:26:18,374 INFO L443 ceAbstractionStarter]: For program point elem_existsEXIT(lines 9 15) no Hoare annotation was computed. [2019-11-06 22:26:18,374 INFO L443 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2019-11-06 22:26:18,374 INFO L443 ceAbstractionStarter]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2019-11-06 22:26:18,374 INFO L443 ceAbstractionStarter]: For program point elem_existsFINAL(lines 9 15) no Hoare annotation was computed. [2019-11-06 22:26:18,374 INFO L446 ceAbstractionStarter]: At program point L11-3(lines 11 13) the Hoare annotation is: true [2019-11-06 22:26:18,375 INFO L443 ceAbstractionStarter]: For program point L11-4(lines 11 13) no Hoare annotation was computed. [2019-11-06 22:26:18,375 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:26:18,376 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-06 22:26:18,376 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:26:18,376 INFO L446 ceAbstractionStarter]: At program point insertENTRY(lines 5 8) the Hoare annotation is: true [2019-11-06 22:26:18,376 INFO L443 ceAbstractionStarter]: For program point insertFINAL(lines 5 8) no Hoare annotation was computed. [2019-11-06 22:26:18,376 INFO L443 ceAbstractionStarter]: For program point insertEXIT(lines 5 8) no Hoare annotation was computed. [2019-11-06 22:26:18,376 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:26:18,377 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 22:26:18,377 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 22:26:18,377 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:26:18,377 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 16 56) no Hoare annotation was computed. [2019-11-06 22:26:18,377 INFO L439 ceAbstractionStarter]: At program point L52(line 52) the Hoare annotation is: false [2019-11-06 22:26:18,377 INFO L443 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2019-11-06 22:26:18,378 INFO L443 ceAbstractionStarter]: For program point L44-2(lines 44 48) no Hoare annotation was computed. [2019-11-06 22:26:18,379 INFO L439 ceAbstractionStarter]: At program point L44-3(lines 44 48) the Hoare annotation is: false [2019-11-06 22:26:18,379 INFO L443 ceAbstractionStarter]: For program point L36-2(lines 36 39) no Hoare annotation was computed. [2019-11-06 22:26:18,379 INFO L439 ceAbstractionStarter]: At program point L36-3(lines 36 39) the Hoare annotation is: false [2019-11-06 22:26:18,379 INFO L443 ceAbstractionStarter]: For program point L36-4(lines 36 39) no Hoare annotation was computed. [2019-11-06 22:26:18,379 INFO L443 ceAbstractionStarter]: For program point L28-2(lines 28 32) no Hoare annotation was computed. [2019-11-06 22:26:18,380 INFO L439 ceAbstractionStarter]: At program point L28-3(lines 28 32) the Hoare annotation is: false [2019-11-06 22:26:18,381 INFO L443 ceAbstractionStarter]: For program point L28-4(lines 28 32) no Hoare annotation was computed. [2019-11-06 22:26:18,381 INFO L443 ceAbstractionStarter]: For program point L45-2(lines 45 47) no Hoare annotation was computed. [2019-11-06 22:26:18,381 INFO L439 ceAbstractionStarter]: At program point L45-3(lines 45 47) the Hoare annotation is: false [2019-11-06 22:26:18,381 INFO L443 ceAbstractionStarter]: For program point L29-2(lines 29 31) no Hoare annotation was computed. [2019-11-06 22:26:18,381 INFO L439 ceAbstractionStarter]: At program point L29-3(lines 29 31) the Hoare annotation is: false [2019-11-06 22:26:18,381 INFO L439 ceAbstractionStarter]: At program point L46(line 46) the Hoare annotation is: false [2019-11-06 22:26:18,382 INFO L443 ceAbstractionStarter]: For program point L46-1(line 46) no Hoare annotation was computed. [2019-11-06 22:26:18,382 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 16 56) no Hoare annotation was computed. [2019-11-06 22:26:18,382 INFO L439 ceAbstractionStarter]: At program point L30(line 30) the Hoare annotation is: false [2019-11-06 22:26:18,382 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 16 56) the Hoare annotation is: true [2019-11-06 22:26:18,382 INFO L443 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2019-11-06 22:26:18,383 INFO L443 ceAbstractionStarter]: For program point L22-2(lines 22 25) no Hoare annotation was computed. [2019-11-06 22:26:18,383 INFO L439 ceAbstractionStarter]: At program point L22-3(lines 22 25) the Hoare annotation is: false [2019-11-06 22:26:18,383 INFO L443 ceAbstractionStarter]: For program point L22-4(lines 22 25) no Hoare annotation was computed. [2019-11-06 22:26:18,384 INFO L443 ceAbstractionStarter]: For program point L40-2(lines 40 49) no Hoare annotation was computed. [2019-11-06 22:26:18,384 INFO L439 ceAbstractionStarter]: At program point L40-3(lines 40 49) the Hoare annotation is: false [2019-11-06 22:26:18,384 INFO L443 ceAbstractionStarter]: For program point L40-4(lines 40 49) no Hoare annotation was computed. [2019-11-06 22:26:18,384 INFO L439 ceAbstractionStarter]: At program point L41(line 41) the Hoare annotation is: false [2019-11-06 22:26:18,385 INFO L443 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2019-11-06 22:26:18,385 INFO L443 ceAbstractionStarter]: For program point L41-2(lines 41 43) no Hoare annotation was computed. [2019-11-06 22:26:18,385 INFO L443 ceAbstractionStarter]: For program point L41-4(lines 41 43) no Hoare annotation was computed. [2019-11-06 22:26:18,385 INFO L443 ceAbstractionStarter]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2019-11-06 22:26:18,386 INFO L439 ceAbstractionStarter]: At program point L50-3(lines 50 54) the Hoare annotation is: false [2019-11-06 22:26:18,386 INFO L443 ceAbstractionStarter]: For program point L50-4(lines 50 54) no Hoare annotation was computed. [2019-11-06 22:26:18,386 INFO L439 ceAbstractionStarter]: At program point L42(line 42) the Hoare annotation is: false [2019-11-06 22:26:18,386 INFO L443 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2019-11-06 22:26:18,386 INFO L443 ceAbstractionStarter]: For program point L51-2(lines 51 53) no Hoare annotation was computed. [2019-11-06 22:26:18,386 INFO L439 ceAbstractionStarter]: At program point L51-3(lines 51 53) the Hoare annotation is: false [2019-11-06 22:26:18,387 INFO L443 ceAbstractionStarter]: For program point L2-1(line 2) no Hoare annotation was computed. [2019-11-06 22:26:18,387 INFO L443 ceAbstractionStarter]: For program point L2-3(line 2) no Hoare annotation was computed. [2019-11-06 22:26:18,387 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 2) the Hoare annotation is: true [2019-11-06 22:26:18,388 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed. [2019-11-06 22:26:18,388 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2019-11-06 22:26:18,389 INFO L443 ceAbstractionStarter]: For program point L2(line 2) no Hoare annotation was computed. [2019-11-06 22:26:18,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:26:18 BoogieIcfgContainer [2019-11-06 22:26:18,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 22:26:18,405 INFO L168 Benchmark]: Toolchain (without parser) took 2234.16 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 100.8 MB in the beginning and 89.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 70.1 MB. Max. memory is 7.1 GB. [2019-11-06 22:26:18,406 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-06 22:26:18,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.63 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 179.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-11-06 22:26:18,410 INFO L168 Benchmark]: Boogie Preprocessor took 43.81 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 177.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-11-06 22:26:18,411 INFO L168 Benchmark]: RCFGBuilder took 468.82 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 154.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-11-06 22:26:18,414 INFO L168 Benchmark]: TraceAbstraction took 1216.72 ms. Allocated memory is still 201.9 MB. Free memory was 154.4 MB in the beginning and 89.4 MB in the end (delta: 65.0 MB). Peak memory consumption was 65.0 MB. Max. memory is 7.1 GB. [2019-11-06 22:26:18,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 490.63 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 179.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.81 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 177.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 468.82 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 154.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1216.72 ms. Allocated memory is still 201.9 MB. Free memory was 154.4 MB in the beginning and 89.4 MB in the end (delta: 65.0 MB). Peak memory consumption was 65.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 61 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 33 SDslu, 55 SDs, 0 SdLazy, 29 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 32 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 30 PreInvPairs, 30 NumberOfFragments, 22 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1140 SizeOfPredicates, 1 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 129, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9166666666666666, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9333333333333333, AVG_WEAKENED_CONJUNCTS: 0.4, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...