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/array-examples/standard_partition_ground-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:28:53,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:28:53,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:28:53,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-09 05:28:53,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 05:28:53,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 05:28:53,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 05:28:53,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 05:28:53,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 05:28:53,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 05:28:53,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 05:28:53,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 05:28:53,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 05:28:53,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 05:28:53,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 05:28:53,399 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 [2019-09-09 05:28:53,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:28:53,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:28:53,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:28:53,422 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:28:53,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:28:53,423 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:28:53,423 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:28:53,423 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:28:53,423 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:28:53,424 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:28:53,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:28:53,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:28:53,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:28:53,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:28:53,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:28:53,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:28:53,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:28:53,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:28:53,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:28:53,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:28:53,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:28:53,428 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:28:53,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:28:53,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:28:53,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:28:53,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:28:53,430 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:28:53,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:28:53,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:28:53,430 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:28:53,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:28:53,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:28:53,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:28:53,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:28:53,482 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:28:53,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_partition_ground-2.i [2019-09-09 05:28:53,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8f3c707/11da42e6d23a4bbf963f69833c4989f2/FLAG95568c998 [2019-09-09 05:28:53,967 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:28:53,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_partition_ground-2.i [2019-09-09 05:28:53,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8f3c707/11da42e6d23a4bbf963f69833c4989f2/FLAG95568c998 [2019-09-09 05:28:54,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8f3c707/11da42e6d23a4bbf963f69833c4989f2 [2019-09-09 05:28:54,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:28:54,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:28:54,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:28:54,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:28:54,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:28:54,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:28:54" (1/1) ... [2019-09-09 05:28:54,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6c6cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54, skipping insertion in model container [2019-09-09 05:28:54,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:28:54" (1/1) ... [2019-09-09 05:28:54,395 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:28:54,412 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:28:54,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:28:54,636 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:28:54,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:28:54,719 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:28:54,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54 WrapperNode [2019-09-09 05:28:54,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:28:54,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:28:54,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:28:54,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:28:54,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54" (1/1) ... [2019-09-09 05:28:54,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54" (1/1) ... [2019-09-09 05:28:54,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54" (1/1) ... [2019-09-09 05:28:54,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54" (1/1) ... [2019-09-09 05:28:54,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54" (1/1) ... [2019-09-09 05:28:54,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54" (1/1) ... [2019-09-09 05:28:54,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54" (1/1) ... [2019-09-09 05:28:54,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:28:54,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:28:54,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:28:54,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:28:54,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54" (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 [2019-09-09 05:28:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:28:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:28:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-09 05:28:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:28:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:28:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-09 05:28:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 05:28:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:28:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-09 05:28:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-09 05:28:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-09 05:28:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-09 05:28:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:28:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:28:55,295 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:28:55,296 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-09 05:28:55,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:28:55 BoogieIcfgContainer [2019-09-09 05:28:55,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:28:55,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:28:55,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:28:55,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:28:55,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:28:54" (1/3) ... [2019-09-09 05:28:55,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6546fca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:28:55, skipping insertion in model container [2019-09-09 05:28:55,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:28:54" (2/3) ... [2019-09-09 05:28:55,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6546fca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:28:55, skipping insertion in model container [2019-09-09 05:28:55,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:28:55" (3/3) ... [2019-09-09 05:28:55,305 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_partition_ground-2.i [2019-09-09 05:28:55,314 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:28:55,322 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:28:55,338 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:28:55,371 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:28:55,372 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:28:55,372 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:28:55,372 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:28:55,372 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:28:55,372 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:28:55,372 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:28:55,373 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:28:55,391 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-09-09 05:28:55,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-09 05:28:55,404 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:28:55,405 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:28:55,408 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:28:55,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:28:55,414 INFO L82 PathProgramCache]: Analyzing trace with hash -640162803, now seen corresponding path program 1 times [2019-09-09 05:28:55,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:28:55,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:28:55,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:28:55,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:28:55,467 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:28:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:28:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:28:55,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:28:55,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-09 05:28:55,569 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:28:55,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:28:55,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:28:55,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:28:55,586 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2019-09-09 05:28:55,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:28:55,602 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-09-09 05:28:55,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:28:55,604 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-09-09 05:28:55,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:28:55,613 INFO L225 Difference]: With dead ends: 31 [2019-09-09 05:28:55,614 INFO L226 Difference]: Without dead ends: 26 [2019-09-09 05:28:55,616 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:28:55,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-09-09 05:28:55,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-09-09 05:28:55,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-09-09 05:28:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2019-09-09 05:28:55,661 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 16 [2019-09-09 05:28:55,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:28:55,662 INFO L475 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2019-09-09 05:28:55,662 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:28:55,662 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2019-09-09 05:28:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-09 05:28:55,664 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:28:55,664 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:28:55,665 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:28:55,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:28:55,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2068442237, now seen corresponding path program 1 times [2019-09-09 05:28:55,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:28:55,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:28:55,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:28:55,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:28:55,669 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:28:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:28:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:28:55,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:28:55,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:28:55,742 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:28:55,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:28:55,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:28:55,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:28:55,744 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand 3 states. [2019-09-09 05:28:55,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:28:55,760 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2019-09-09 05:28:55,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:28:55,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-09-09 05:28:55,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:28:55,762 INFO L225 Difference]: With dead ends: 28 [2019-09-09 05:28:55,762 INFO L226 Difference]: Without dead ends: 28 [2019-09-09 05:28:55,763 INFO L628 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 [2019-09-09 05:28:55,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-09-09 05:28:55,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-09-09 05:28:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-09-09 05:28:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-09-09 05:28:55,769 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 16 [2019-09-09 05:28:55,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:28:55,769 INFO L475 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-09-09 05:28:55,769 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:28:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2019-09-09 05:28:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-09 05:28:55,770 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:28:55,771 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:28:55,771 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:28:55,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:28:55,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1850093537, now seen corresponding path program 1 times [2019-09-09 05:28:55,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:28:55,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:28:55,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:28:55,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:28:55,773 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:28:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:28:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-09 05:28:55,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:28:55,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:28:55,822 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:28:55,823 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:28:55,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:28:55,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:28:55,823 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 3 states. [2019-09-09 05:28:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:28:55,897 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2019-09-09 05:28:55,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:28:55,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-09-09 05:28:55,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:28:55,900 INFO L225 Difference]: With dead ends: 33 [2019-09-09 05:28:55,901 INFO L226 Difference]: Without dead ends: 33 [2019-09-09 05:28:55,902 INFO L628 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 [2019-09-09 05:28:55,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-09-09 05:28:55,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2019-09-09 05:28:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-09-09 05:28:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-09-09 05:28:55,911 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 18 [2019-09-09 05:28:55,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:28:55,912 INFO L475 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2019-09-09 05:28:55,912 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:28:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2019-09-09 05:28:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-09 05:28:55,914 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:28:55,915 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:28:55,915 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:28:55,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:28:55,916 INFO L82 PathProgramCache]: Analyzing trace with hash -45207547, now seen corresponding path program 1 times [2019-09-09 05:28:55,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:28:55,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:28:55,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:28:55,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:28:55,918 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:28:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:28:56,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-09 05:28:56,022 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:28:56,022 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-09 05:28:56,023 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 25 with the following transitions: [2019-09-09 05:28:56,025 INFO L207 CegarAbsIntRunner]: [0], [1], [5], [11], [13], [15], [24], [26], [29], [33], [37], [44], [46], [49], [53], [57], [65], [75], [78], [80], [86], [87], [88], [90] [2019-09-09 05:28:56,056 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-09 05:28:56,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-09 05:28:56,113 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-09 05:28:56,115 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 29 variables. [2019-09-09 05:28:56,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:28:56,118 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-09 05:28:56,153 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-09-09 05:28:56,154 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-09 05:28:56,156 INFO L420 sIntCurrentIteration]: We unified 23 AI predicates to 23 [2019-09-09 05:28:56,156 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-09 05:28:56,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 05:28:56,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-09 05:28:56,157 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:28:56,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:28:56,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:28:56,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:28:56,158 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand 2 states. [2019-09-09 05:28:56,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:28:56,159 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-09-09 05:28:56,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:28:56,159 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2019-09-09 05:28:56,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:28:56,160 INFO L225 Difference]: With dead ends: 6 [2019-09-09 05:28:56,160 INFO L226 Difference]: Without dead ends: 0 [2019-09-09 05:28:56,160 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:28:56,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-09 05:28:56,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-09 05:28:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-09 05:28:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-09 05:28:56,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-09-09 05:28:56,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:28:56,161 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-09 05:28:56,162 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:28:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-09 05:28:56,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-09 05:28:56,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:28:56 BoogieIcfgContainer [2019-09-09 05:28:56,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:28:56,170 INFO L168 Benchmark]: Toolchain (without parser) took 1788.68 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 90.3 MB in the beginning and 113.0 MB in the end (delta: -22.7 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2019-09-09 05:28:56,171 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:28:56,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.24 ms. Allocated memory is still 134.2 MB. Free memory was 90.1 MB in the beginning and 79.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-09 05:28:56,173 INFO L168 Benchmark]: Boogie Preprocessor took 153.48 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 79.7 MB in the beginning and 175.6 MB in the end (delta: -95.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-09 05:28:56,174 INFO L168 Benchmark]: RCFGBuilder took 422.20 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 159.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-09 05:28:56,175 INFO L168 Benchmark]: TraceAbstraction took 868.72 ms. Allocated memory is still 199.8 MB. Free memory was 159.3 MB in the beginning and 113.0 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2019-09-09 05:28:56,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 340.24 ms. Allocated memory is still 134.2 MB. Free memory was 90.1 MB in the beginning and 79.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.48 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 79.7 MB in the beginning and 175.6 MB in the end (delta: -95.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 422.20 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 159.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 868.72 ms. Allocated memory is still 199.8 MB. Free memory was 159.3 MB in the beginning and 113.0 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 SDtfs, 7 SDslu, 45 SDs, 0 SdLazy, 19 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9021739130434783 AbsIntWeakeningRatio, 0.9130434782608695 AbsIntAvgWeakeningVarsNumRemoved, 0.2608695652173913 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 1572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...