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/Problem15_label47_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 16:38:00,506 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 16:38:00,509 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 16:38:00,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 16:38:00,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 16:38:00,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 16:38:00,525 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 16:38:00,528 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 16:38:00,530 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 16:38:00,531 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 16:38:00,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 16:38:00,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 16:38:00,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 16:38:00,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 16:38:00,543 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 16:38:00,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 16:38:00,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 16:38:00,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 16:38:00,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 16:38:00,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 16:38:00,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 16:38:00,563 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 16:38:00,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 16:38:00,565 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 16:38:00,565 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 16:38:00,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 16:38:00,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 16:38:00,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 16:38:00,568 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 16:38:00,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 16:38:00,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 16:38:00,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 16:38:00,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 16:38:00,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 16:38:00,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 16:38:00,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 16:38:00,573 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 16:38:00,599 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 16:38:00,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 16:38:00,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 16:38:00,603 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 16:38:00,604 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 16:38:00,604 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 16:38:00,604 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 16:38:00,604 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 16:38:00,604 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 16:38:00,605 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 16:38:00,605 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 16:38:00,605 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 16:38:00,605 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 16:38:00,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 16:38:00,607 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 16:38:00,607 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 16:38:00,607 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 16:38:00,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 16:38:00,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 16:38:00,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 16:38:00,608 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 16:38:00,608 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 16:38:00,610 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 16:38:00,611 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 16:38:00,611 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 16:38:00,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 16:38:00,611 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 16:38:00,611 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 16:38:00,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 16:38:00,612 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 16:38:00,612 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 16:38:00,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 16:38:00,612 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 16:38:00,613 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 16:38:00,613 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 16:38:00,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 16:38:00,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 16:38:00,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 16:38:00,686 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 16:38:00,686 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 16:38:00,687 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label47_false-unreach-call.c [2018-11-12 16:38:00,757 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75044f2d/411291e8892c4b82bdb08ce93aef3ba5/FLAG6e03fd7f4 [2018-11-12 16:38:01,506 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 16:38:01,510 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label47_false-unreach-call.c [2018-11-12 16:38:01,533 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75044f2d/411291e8892c4b82bdb08ce93aef3ba5/FLAG6e03fd7f4 [2018-11-12 16:38:01,550 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75044f2d/411291e8892c4b82bdb08ce93aef3ba5 [2018-11-12 16:38:01,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 16:38:01,564 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 16:38:01,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 16:38:01,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 16:38:01,572 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 16:38:01,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:38:01" (1/1) ... [2018-11-12 16:38:01,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140a0bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:01, skipping insertion in model container [2018-11-12 16:38:01,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:38:01" (1/1) ... [2018-11-12 16:38:01,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 16:38:01,687 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 16:38:02,599 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:38:02,604 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 16:38:02,914 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:38:02,937 INFO L193 MainTranslator]: Completed translation [2018-11-12 16:38:02,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02 WrapperNode [2018-11-12 16:38:02,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 16:38:02,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 16:38:02,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 16:38:02,939 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 16:38:03,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (1/1) ... [2018-11-12 16:38:03,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (1/1) ... [2018-11-12 16:38:03,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 16:38:03,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 16:38:03,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 16:38:03,153 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 16:38:03,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (1/1) ... [2018-11-12 16:38:03,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (1/1) ... [2018-11-12 16:38:03,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (1/1) ... [2018-11-12 16:38:03,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (1/1) ... [2018-11-12 16:38:03,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (1/1) ... [2018-11-12 16:38:03,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (1/1) ... [2018-11-12 16:38:03,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (1/1) ... [2018-11-12 16:38:03,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 16:38:03,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 16:38:03,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 16:38:03,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 16:38:03,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (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 16:38:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 16:38:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 16:38:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 16:38:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 16:38:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 16:38:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 16:38:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 16:38:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 16:38:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 16:38:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 16:38:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 16:38:10,264 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 16:38:10,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:38:10 BoogieIcfgContainer [2018-11-12 16:38:10,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 16:38:10,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 16:38:10,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 16:38:10,269 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 16:38:10,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:38:01" (1/3) ... [2018-11-12 16:38:10,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22897bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:38:10, skipping insertion in model container [2018-11-12 16:38:10,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:38:02" (2/3) ... [2018-11-12 16:38:10,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22897bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:38:10, skipping insertion in model container [2018-11-12 16:38:10,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:38:10" (3/3) ... [2018-11-12 16:38:10,272 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label47_false-unreach-call.c [2018-11-12 16:38:10,282 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 16:38:10,292 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 16:38:10,311 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 16:38:10,353 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 16:38:10,353 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 16:38:10,354 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 16:38:10,354 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 16:38:10,354 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 16:38:10,354 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 16:38:10,354 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 16:38:10,354 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 16:38:10,388 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-11-12 16:38:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-12 16:38:10,394 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:38:10,396 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:38:10,399 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:38:10,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:38:10,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1243149204, now seen corresponding path program 1 times [2018-11-12 16:38:10,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:38:10,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:38:10,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:38:10,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:38:10,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:38:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:38:10,727 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 16:38:10,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:38:10,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 16:38:10,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:38:10,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 16:38:10,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 16:38:10,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 16:38:10,757 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-11-12 16:38:14,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:38:14,496 INFO L93 Difference]: Finished difference Result 1188 states and 2146 transitions. [2018-11-12 16:38:14,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 16:38:14,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-12 16:38:14,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:38:14,524 INFO L225 Difference]: With dead ends: 1188 [2018-11-12 16:38:14,525 INFO L226 Difference]: Without dead ends: 748 [2018-11-12 16:38:14,535 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 16:38:14,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2018-11-12 16:38:14,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 746. [2018-11-12 16:38:14,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2018-11-12 16:38:14,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1128 transitions. [2018-11-12 16:38:14,658 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1128 transitions. Word has length 16 [2018-11-12 16:38:14,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:38:14,658 INFO L480 AbstractCegarLoop]: Abstraction has 746 states and 1128 transitions. [2018-11-12 16:38:14,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 16:38:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1128 transitions. [2018-11-12 16:38:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-12 16:38:14,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:38:14,668 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:38:14,668 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:38:14,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:38:14,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1523289623, now seen corresponding path program 1 times [2018-11-12 16:38:14,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:38:14,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:38:14,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:38:14,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:38:14,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:38:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:38:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:38:14,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:38:14,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 16:38:14,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:38:14,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 16:38:14,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 16:38:14,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:38:14,902 INFO L87 Difference]: Start difference. First operand 746 states and 1128 transitions. Second operand 4 states. [2018-11-12 16:38:21,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:38:21,126 INFO L93 Difference]: Finished difference Result 2736 states and 4249 transitions. [2018-11-12 16:38:21,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 16:38:21,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2018-11-12 16:38:21,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:38:21,146 INFO L225 Difference]: With dead ends: 2736 [2018-11-12 16:38:21,146 INFO L226 Difference]: Without dead ends: 1996 [2018-11-12 16:38:21,151 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:38:21,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2018-11-12 16:38:21,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1991. [2018-11-12 16:38:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1991 states. [2018-11-12 16:38:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2770 transitions. [2018-11-12 16:38:21,234 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2770 transitions. Word has length 86 [2018-11-12 16:38:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:38:21,235 INFO L480 AbstractCegarLoop]: Abstraction has 1991 states and 2770 transitions. [2018-11-12 16:38:21,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 16:38:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2770 transitions. [2018-11-12 16:38:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-12 16:38:21,246 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:38:21,247 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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] [2018-11-12 16:38:21,247 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:38:21,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:38:21,248 INFO L82 PathProgramCache]: Analyzing trace with hash -881438278, now seen corresponding path program 1 times [2018-11-12 16:38:21,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:38:21,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:38:21,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:38:21,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:38:21,249 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:38:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:38:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 21 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-12 16:38:22,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:38:22,165 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 16:38:22,166 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-11-12 16:38:22,168 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [101], [103], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [816], [821], [823], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-12 16:38:22,218 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 16:38:22,219 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 16:38:22,791 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 16:38:25,148 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 16:38:25,150 INFO L272 AbstractInterpreter]: Visited 130 different actions 873 times. Merged at 5 different actions 29 times. Widened at 1 different actions 2 times. Performed 16283 root evaluator evaluations with a maximum evaluation depth of 6. Performed 16283 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 16:38:25,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:38:25,192 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 16:38:26,266 INFO L227 lantSequenceWeakener]: Weakened 29 states. On average, predicates are now at 77.74% of their original sizes. [2018-11-12 16:38:26,267 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 16:38:29,168 INFO L415 sIntCurrentIteration]: We unified 235 AI predicates to 235 [2018-11-12 16:38:29,169 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 16:38:29,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 16:38:29,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-12 16:38:29,171 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:38:29,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-12 16:38:29,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-12 16:38:29,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-11-12 16:38:29,173 INFO L87 Difference]: Start difference. First operand 1991 states and 2770 transitions. Second operand 19 states. [2018-11-12 16:39:39,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:39:39,559 INFO L93 Difference]: Finished difference Result 6204 states and 8187 transitions. [2018-11-12 16:39:39,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-12 16:39:39,559 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 236 [2018-11-12 16:39:39,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:39:39,580 INFO L225 Difference]: With dead ends: 6204 [2018-11-12 16:39:39,580 INFO L226 Difference]: Without dead ends: 4219 [2018-11-12 16:39:39,589 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 254 GetRequests, 186 SyntacticMatches, 33 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=284, Invalid=1048, Unknown=0, NotChecked=0, Total=1332 [2018-11-12 16:39:39,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4219 states. [2018-11-12 16:39:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4219 to 3313. [2018-11-12 16:39:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2018-11-12 16:39:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4143 transitions. [2018-11-12 16:39:39,686 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4143 transitions. Word has length 236 [2018-11-12 16:39:39,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:39:39,688 INFO L480 AbstractCegarLoop]: Abstraction has 3313 states and 4143 transitions. [2018-11-12 16:39:39,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-12 16:39:39,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4143 transitions. [2018-11-12 16:39:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-11-12 16:39:39,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:39:39,699 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 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 16:39:39,699 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:39:39,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:39:39,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1958910086, now seen corresponding path program 1 times [2018-11-12 16:39:39,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:39:39,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:39:39,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:39:39,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:39:39,701 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:39:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:39:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:39:41,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:39:41,169 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 16:39:41,170 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 379 with the following transitions: [2018-11-12 16:39:41,171 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [101], [103], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [638], [640], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-12 16:39:41,180 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 16:39:41,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 16:39:41,659 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 16:39:42,036 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 16:39:42,036 INFO L272 AbstractInterpreter]: Visited 283 different actions 562 times. Merged at 5 different actions 7 times. Never widened. Performed 10806 root evaluator evaluations with a maximum evaluation depth of 6. Performed 10806 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 16:39:42,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:39:42,065 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 16:39:42,758 INFO L227 lantSequenceWeakener]: Weakened 40 states. On average, predicates are now at 79.1% of their original sizes. [2018-11-12 16:39:42,758 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 16:39:43,470 INFO L415 sIntCurrentIteration]: We unified 377 AI predicates to 377 [2018-11-12 16:39:43,470 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 16:39:43,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 16:39:43,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-11-12 16:39:43,471 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:39:43,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-12 16:39:43,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-12 16:39:43,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-11-12 16:39:43,473 INFO L87 Difference]: Start difference. First operand 3313 states and 4143 transitions. Second operand 21 states. [2018-11-12 16:40:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:40:15,563 INFO L93 Difference]: Finished difference Result 6762 states and 8570 transitions. [2018-11-12 16:40:15,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-12 16:40:15,563 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 378 [2018-11-12 16:40:15,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:40:15,589 INFO L225 Difference]: With dead ends: 6762 [2018-11-12 16:40:15,589 INFO L226 Difference]: Without dead ends: 4777 [2018-11-12 16:40:15,598 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 395 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=279, Invalid=1203, Unknown=0, NotChecked=0, Total=1482 [2018-11-12 16:40:15,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4777 states. [2018-11-12 16:40:15,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4777 to 4537. [2018-11-12 16:40:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4537 states. [2018-11-12 16:40:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4537 states and 5460 transitions. [2018-11-12 16:40:15,716 INFO L78 Accepts]: Start accepts. Automaton has 4537 states and 5460 transitions. Word has length 378 [2018-11-12 16:40:15,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:40:15,717 INFO L480 AbstractCegarLoop]: Abstraction has 4537 states and 5460 transitions. [2018-11-12 16:40:15,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-12 16:40:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 4537 states and 5460 transitions. [2018-11-12 16:40:15,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-11-12 16:40:15,727 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:40:15,728 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 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 16:40:15,728 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:40:15,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:40:15,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1143668156, now seen corresponding path program 1 times [2018-11-12 16:40:15,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:40:15,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:40:15,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:40:15,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:40:15,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:40:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:40:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 12 proven. 112 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-12 16:40:16,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:40:16,442 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 16:40:16,443 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 404 with the following transitions: [2018-11-12 16:40:16,444 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [101], [103], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-12 16:40:16,449 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 16:40:16,450 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 16:40:16,632 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 16:40:18,054 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 16:40:18,054 INFO L272 AbstractInterpreter]: Visited 284 different actions 1121 times. Merged at 7 different actions 20 times. Never widened. Performed 18251 root evaluator evaluations with a maximum evaluation depth of 6. Performed 18251 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 16:40:18,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:40:18,064 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 16:40:18,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:40:18,064 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 16:40:18,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:40:18,075 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 16:40:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:40:18,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 16:40:33,400 WARN L179 SmtUtils]: Spent 14.70 s on a formula simplification. DAG size of input: 116 DAG size of output: 50 [2018-11-12 16:40:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 118 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:40:33,648 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 16:40:34,238 WARN L179 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-11-12 16:40:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 118 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:40:35,183 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 16:40:35,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2018-11-12 16:40:35,183 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 16:40:35,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-12 16:40:35,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-12 16:40:35,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-12 16:40:35,185 INFO L87 Difference]: Start difference. First operand 4537 states and 5460 transitions. Second operand 12 states. [2018-11-12 16:40:37,946 WARN L179 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2018-11-12 16:40:44,531 WARN L179 SmtUtils]: Spent 5.85 s on a formula simplification that was a NOOP. DAG size: 56 [2018-11-12 16:40:56,316 WARN L179 SmtUtils]: Spent 11.66 s on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-11-12 16:41:12,027 WARN L179 SmtUtils]: Spent 11.65 s on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-11-12 16:41:20,850 WARN L179 SmtUtils]: Spent 5.90 s on a formula simplification that was a NOOP. DAG size: 59 [2018-11-12 16:41:29,835 WARN L179 SmtUtils]: Spent 5.82 s on a formula simplification that was a NOOP. DAG size: 53 [2018-11-12 16:41:51,411 WARN L179 SmtUtils]: Spent 11.87 s on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-11-12 16:41:53,305 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 Received shutdown request... [2018-11-12 16:41:55,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-12 16:41:55,448 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 16:41:55,454 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 16:41:55,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:41:55 BoogieIcfgContainer [2018-11-12 16:41:55,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 16:41:55,455 INFO L168 Benchmark]: Toolchain (without parser) took 233892.61 ms. Allocated memory was 1.5 GB in the beginning and 4.4 GB in the end (delta: 2.9 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -400.0 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-12 16:41:55,456 INFO L168 Benchmark]: CDTParser took 0.20 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 16:41:55,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1373.05 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-11-12 16:41:55,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 213.71 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 727.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -872.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2018-11-12 16:41:55,459 INFO L168 Benchmark]: Boogie Preprocessor took 174.33 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2018-11-12 16:41:55,459 INFO L168 Benchmark]: RCFGBuilder took 6937.66 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 290.0 MB). Peak memory consumption was 290.0 MB. Max. memory is 7.1 GB. [2018-11-12 16:41:55,460 INFO L168 Benchmark]: TraceAbstraction took 225188.69 ms. Allocated memory was 2.2 GB in the beginning and 4.4 GB in the end (delta: 2.2 GB). Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 73.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-12 16:41:55,465 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1373.05 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 213.71 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 727.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -872.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.33 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6937.66 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 290.0 MB). Peak memory consumption was 290.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 225188.69 ms. Allocated memory was 2.2 GB in the beginning and 4.4 GB in the end (delta: 2.2 GB). Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 73.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 34). Cancelled while BasicCegarLoop was constructing difference of abstraction (4537states) and FLOYD_HOARE automaton (currently 40 states, 12 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 50 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 225.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 192.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1727 SDtfs, 14312 SDslu, 1694 SDs, 0 SdLazy, 19879 SolverSat, 2055 SolverUnsat, 46 SolverUnknown, 0 SolverNotchecked, 70.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1530 GetRequests, 1371 SyntacticMatches, 35 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1510 ImplicationChecksByTransitivity, 75.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4537occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.5s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9977019172553568 AbsIntWeakeningRatio, 0.08823529411764706 AbsIntAvgWeakeningVarsNumRemoved, 12.212418300653594 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 1153 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 1522 NumberOfCodeBlocks, 1522 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1918 ConstructedInterpolants, 12 QuantifiedInterpolants, 2319809 SizeOfPredicates, 3 NumberOfNonLiveVariables, 583 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 391/616 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown