java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label20_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 16:47:42,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 16:47:42,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 16:47:42,698 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 16:47:42,699 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 16:47:42,700 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 16:47:42,701 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 16:47:42,704 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 16:47:42,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 16:47:42,707 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 16:47:42,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 16:47:42,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 16:47:42,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 16:47:42,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 16:47:42,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 16:47:42,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 16:47:42,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 16:47:42,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 16:47:42,731 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 16:47:42,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 16:47:42,734 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 16:47:42,737 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 16:47:42,739 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 16:47:42,740 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 16:47:42,741 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 16:47:42,742 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 16:47:42,743 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 16:47:42,743 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 16:47:42,744 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 16:47:42,749 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 16:47:42,749 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 16:47:42,750 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 16:47:42,750 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 16:47:42,750 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 16:47:42,752 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 16:47:42,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 16:47:42,753 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 16:47:42,782 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 16:47:42,782 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 16:47:42,788 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 16:47:42,788 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 16:47:42,788 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 16:47:42,788 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 16:47:42,789 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 16:47:42,789 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 16:47:42,789 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 16:47:42,789 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 16:47:42,789 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 16:47:42,790 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 16:47:42,790 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 16:47:42,791 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 16:47:42,791 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 16:47:42,791 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 16:47:42,791 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 16:47:42,791 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 16:47:42,792 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 16:47:42,792 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 16:47:42,792 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 16:47:42,792 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 16:47:42,792 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 16:47:42,793 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 16:47:42,793 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 16:47:42,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 16:47:42,793 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 16:47:42,793 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 16:47:42,794 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 16:47:42,794 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 16:47:42,794 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 16:47:42,794 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 16:47:42,794 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 16:47:42,795 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 16:47:42,795 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 16:47:42,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 16:47:42,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 16:47:42,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 16:47:42,860 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 16:47:42,860 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 16:47:42,861 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label20_false-unreach-call.c [2018-11-12 16:47:42,932 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c387d634/b0cc4c00ba10410cbaf17eca3532d79b/FLAGf202e5f83 [2018-11-12 16:47:43,631 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 16:47:43,632 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label20_false-unreach-call.c [2018-11-12 16:47:43,654 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c387d634/b0cc4c00ba10410cbaf17eca3532d79b/FLAGf202e5f83 [2018-11-12 16:47:43,670 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c387d634/b0cc4c00ba10410cbaf17eca3532d79b [2018-11-12 16:47:43,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 16:47:43,684 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 16:47:43,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 16:47:43,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 16:47:43,690 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 16:47:43,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:47:43" (1/1) ... [2018-11-12 16:47:43,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b8652e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:43, skipping insertion in model container [2018-11-12 16:47:43,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:47:43" (1/1) ... [2018-11-12 16:47:43,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 16:47:43,834 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 16:47:44,868 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:47:44,873 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 16:47:45,321 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:47:45,345 INFO L193 MainTranslator]: Completed translation [2018-11-12 16:47:45,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45 WrapperNode [2018-11-12 16:47:45,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 16:47:45,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 16:47:45,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 16:47:45,347 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 16:47:45,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (1/1) ... [2018-11-12 16:47:45,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (1/1) ... [2018-11-12 16:47:45,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 16:47:45,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 16:47:45,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 16:47:45,607 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 16:47:45,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (1/1) ... [2018-11-12 16:47:45,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (1/1) ... [2018-11-12 16:47:45,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (1/1) ... [2018-11-12 16:47:45,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (1/1) ... [2018-11-12 16:47:45,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (1/1) ... [2018-11-12 16:47:45,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (1/1) ... [2018-11-12 16:47:45,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (1/1) ... [2018-11-12 16:47:45,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 16:47:45,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 16:47:45,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 16:47:45,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 16:47:45,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (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 [2018-11-12 16:47:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 16:47:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 16:47:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 16:47:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 16:47:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 16:47:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 16:47:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 16:47:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 16:47:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 16:47:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 16:47:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 16:47:53,367 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 16:47:53,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:47:53 BoogieIcfgContainer [2018-11-12 16:47:53,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 16:47:53,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 16:47:53,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 16:47:53,373 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 16:47:53,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:47:43" (1/3) ... [2018-11-12 16:47:53,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a042072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:47:53, skipping insertion in model container [2018-11-12 16:47:53,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:45" (2/3) ... [2018-11-12 16:47:53,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a042072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:47:53, skipping insertion in model container [2018-11-12 16:47:53,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:47:53" (3/3) ... [2018-11-12 16:47:53,376 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label20_false-unreach-call.c [2018-11-12 16:47:53,386 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 16:47:53,396 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 16:47:53,413 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 16:47:53,458 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 16:47:53,458 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 16:47:53,458 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 16:47:53,458 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 16:47:53,458 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 16:47:53,459 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 16:47:53,459 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 16:47:53,459 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 16:47:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-11-12 16:47:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-12 16:47:53,507 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:47:53,508 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:47:53,510 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:47:53,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:47:53,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1249764322, now seen corresponding path program 1 times [2018-11-12 16:47:53,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:47:53,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:47:53,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:47:53,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:47:53,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:47:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:47:54,017 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-11-12 16:47:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:47:54,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:47:54,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 16:47:54,041 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:47:54,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 16:47:54,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 16:47:54,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:47:54,090 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-11-12 16:48:02,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:48:02,557 INFO L93 Difference]: Finished difference Result 2137 states and 3966 transitions. [2018-11-12 16:48:02,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 16:48:02,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-11-12 16:48:02,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:48:02,604 INFO L225 Difference]: With dead ends: 2137 [2018-11-12 16:48:02,604 INFO L226 Difference]: Without dead ends: 1527 [2018-11-12 16:48:02,620 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:48:02,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2018-11-12 16:48:02,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1513. [2018-11-12 16:48:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1513 states. [2018-11-12 16:48:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2344 transitions. [2018-11-12 16:48:02,794 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2344 transitions. Word has length 33 [2018-11-12 16:48:02,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:48:02,795 INFO L480 AbstractCegarLoop]: Abstraction has 1513 states and 2344 transitions. [2018-11-12 16:48:02,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 16:48:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2344 transitions. [2018-11-12 16:48:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-12 16:48:02,804 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:48:02,805 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:48:02,805 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:48:02,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:48:02,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1581854865, now seen corresponding path program 1 times [2018-11-12 16:48:02,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:48:02,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:48:02,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:48:02,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:48:02,810 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:48:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:48:03,115 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 16:48:03,248 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:48:03,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:48:03,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 16:48:03,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:48:03,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 16:48:03,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 16:48:03,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 16:48:03,255 INFO L87 Difference]: Start difference. First operand 1513 states and 2344 transitions. Second operand 5 states. [2018-11-12 16:48:11,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:48:11,020 INFO L93 Difference]: Finished difference Result 4413 states and 7007 transitions. [2018-11-12 16:48:11,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 16:48:11,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2018-11-12 16:48:11,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:48:11,042 INFO L225 Difference]: With dead ends: 4413 [2018-11-12 16:48:11,043 INFO L226 Difference]: Without dead ends: 2906 [2018-11-12 16:48:11,048 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 16:48:11,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2906 states. [2018-11-12 16:48:11,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2906 to 2873. [2018-11-12 16:48:11,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2873 states. [2018-11-12 16:48:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2873 states and 4204 transitions. [2018-11-12 16:48:11,151 INFO L78 Accepts]: Start accepts. Automaton has 2873 states and 4204 transitions. Word has length 105 [2018-11-12 16:48:11,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:48:11,152 INFO L480 AbstractCegarLoop]: Abstraction has 2873 states and 4204 transitions. [2018-11-12 16:48:11,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 16:48:11,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 4204 transitions. [2018-11-12 16:48:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-12 16:48:11,157 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:48:11,157 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:48:11,157 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:48:11,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:48:11,161 INFO L82 PathProgramCache]: Analyzing trace with hash 129577417, now seen corresponding path program 1 times [2018-11-12 16:48:11,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:48:11,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:48:11,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:48:11,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:48:11,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:48:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:48:11,522 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:48:11,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:48:11,523 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 16:48:11,524 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-11-12 16:48:11,526 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [874], [876], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-11-12 16:48:11,573 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 16:48:11,574 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 16:48:12,069 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 16:48:12,736 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 16:48:12,738 INFO L272 AbstractInterpreter]: Visited 83 different actions 235 times. Merged at 5 different actions 9 times. Never widened. Performed 3924 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3924 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-12 16:48:12,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:48:12,788 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 16:48:12,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:48:12,788 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 16:48:12,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:48:12,801 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 16:48:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:48:12,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 16:48:33,931 WARN L179 SmtUtils]: Spent 20.37 s on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2018-11-12 16:48:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:48:36,280 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 16:48:37,691 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-11-12 16:48:38,313 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2018-11-12 16:48:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:48:38,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-12 16:48:38,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-11-12 16:48:38,699 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:48:38,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 16:48:38,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 16:48:38,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2018-11-12 16:48:38,702 INFO L87 Difference]: Start difference. First operand 2873 states and 4204 transitions. Second operand 6 states. Received shutdown request... [2018-11-12 16:52:15,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-12 16:52:15,100 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 16:52:15,106 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 16:52:15,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:52:15 BoogieIcfgContainer [2018-11-12 16:52:15,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 16:52:15,107 INFO L168 Benchmark]: Toolchain (without parser) took 271424.17 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -848.5 MB). Peak memory consumption was 252.5 MB. Max. memory is 7.1 GB. [2018-11-12 16:52:15,108 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 16:52:15,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1660.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-11-12 16:52:15,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 260.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -944.6 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-12 16:52:15,111 INFO L168 Benchmark]: Boogie Preprocessor took 200.58 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2018-11-12 16:52:15,112 INFO L168 Benchmark]: RCFGBuilder took 7560.07 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 462.4 MB). Peak memory consumption was 462.4 MB. Max. memory is 7.1 GB. [2018-11-12 16:52:15,113 INFO L168 Benchmark]: TraceAbstraction took 261737.12 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 336.1 MB). Free memory was 1.7 GB in the beginning and 2.2 GB in the end (delta: -517.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 16:52:15,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1660.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 260.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -944.6 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 200.58 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7560.07 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 462.4 MB). Peak memory consumption was 462.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261737.12 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 336.1 MB). Free memory was 1.7 GB in the beginning and 2.2 GB in the end (delta: -517.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 86). Cancelled while BasicCegarLoop was constructing difference of abstraction (2873states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (6216 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 261.6s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 232.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 886 SDtfs, 4835 SDslu, 727 SDs, 0 SdLazy, 7367 SolverSat, 2190 SolverUnsat, 100 SolverUnknown, 0 SolverNotchecked, 228.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 216 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 25.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2873occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 26.7s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 457 ConstructedInterpolants, 107 QuantifiedInterpolants, 614834 SizeOfPredicates, 3 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 56/104 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown