java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label02_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 02:27:57,557 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 02:27:57,559 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 02:27:57,574 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 02:27:57,574 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 02:27:57,576 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 02:27:57,577 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 02:27:57,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 02:27:57,580 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 02:27:57,581 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 02:27:57,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 02:27:57,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 02:27:57,583 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 02:27:57,584 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 02:27:57,585 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 02:27:57,586 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 02:27:57,587 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 02:27:57,589 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 02:27:57,591 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 02:27:57,593 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 02:27:57,594 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 02:27:57,595 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 02:27:57,597 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 02:27:57,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 02:27:57,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 02:27:57,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 02:27:57,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 02:27:57,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 02:27:57,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 02:27:57,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 02:27:57,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 02:27:57,603 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 02:27:57,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 02:27:57,604 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 02:27:57,605 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 02:27:57,605 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 02:27:57,606 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 02:27:57,634 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 02:27:57,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 02:27:57,636 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 02:27:57,637 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 02:27:57,637 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 02:27:57,637 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 02:27:57,637 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 02:27:57,637 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 02:27:57,638 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 02:27:57,638 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 02:27:57,638 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 02:27:57,639 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 02:27:57,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 02:27:57,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 02:27:57,640 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 02:27:57,640 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 02:27:57,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 02:27:57,640 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 02:27:57,640 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 02:27:57,641 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 02:27:57,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 02:27:57,642 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 02:27:57,642 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 02:27:57,642 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 02:27:57,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 02:27:57,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 02:27:57,644 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 02:27:57,644 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 02:27:57,644 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 02:27:57,644 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 02:27:57,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 02:27:57,646 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 02:27:57,646 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 02:27:57,646 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 02:27:57,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 02:27:57,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 02:27:57,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 02:27:57,734 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 02:27:57,735 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 02:27:57,736 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label02_true-unreach-call.c [2018-10-27 02:27:57,813 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8c2a02e36/5a89af16ee324a06be0af193e3869cec/FLAG958c026e9 [2018-10-27 02:27:58,431 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 02:27:58,435 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label02_true-unreach-call.c [2018-10-27 02:27:58,465 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8c2a02e36/5a89af16ee324a06be0af193e3869cec/FLAG958c026e9 [2018-10-27 02:27:58,492 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8c2a02e36/5a89af16ee324a06be0af193e3869cec [2018-10-27 02:27:58,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 02:27:58,507 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 02:27:58,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 02:27:58,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 02:27:58,515 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 02:27:58,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:27:58" (1/1) ... [2018-10-27 02:27:58,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e4f999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:58, skipping insertion in model container [2018-10-27 02:27:58,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:27:58" (1/1) ... [2018-10-27 02:27:58,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 02:27:58,634 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 02:27:59,315 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:27:59,322 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 02:27:59,509 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:27:59,532 INFO L193 MainTranslator]: Completed translation [2018-10-27 02:27:59,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59 WrapperNode [2018-10-27 02:27:59,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 02:27:59,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 02:27:59,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 02:27:59,534 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 02:27:59,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... [2018-10-27 02:27:59,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... [2018-10-27 02:27:59,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 02:27:59,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 02:27:59,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 02:27:59,824 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 02:27:59,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... [2018-10-27 02:27:59,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... [2018-10-27 02:27:59,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... [2018-10-27 02:27:59,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... [2018-10-27 02:27:59,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... [2018-10-27 02:27:59,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... [2018-10-27 02:27:59,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... [2018-10-27 02:27:59,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 02:27:59,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 02:27:59,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 02:27:59,981 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 02:27:59,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 02:28:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 02:28:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 02:28:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 02:28:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 02:28:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 02:28:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 02:28:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 02:28:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 02:28:05,259 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 02:28:05,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:05 BoogieIcfgContainer [2018-10-27 02:28:05,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 02:28:05,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 02:28:05,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 02:28:05,265 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 02:28:05,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:27:58" (1/3) ... [2018-10-27 02:28:05,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ded7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:05, skipping insertion in model container [2018-10-27 02:28:05,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59" (2/3) ... [2018-10-27 02:28:05,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ded7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:05, skipping insertion in model container [2018-10-27 02:28:05,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:05" (3/3) ... [2018-10-27 02:28:05,269 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label02_true-unreach-call.c [2018-10-27 02:28:05,281 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 02:28:05,291 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 02:28:05,310 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 02:28:05,351 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 02:28:05,351 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 02:28:05,351 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 02:28:05,351 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 02:28:05,352 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 02:28:05,352 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 02:28:05,352 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 02:28:05,352 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 02:28:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-27 02:28:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-27 02:28:05,392 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:28:05,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:28:05,396 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:28:05,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:28:05,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1008235991, now seen corresponding path program 1 times [2018-10-27 02:28:05,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:28:05,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:28:05,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:28:05,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:28:05,456 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:28:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:28:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:28:05,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:28:05,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 02:28:05,993 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:28:05,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 02:28:06,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 02:28:06,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 02:28:06,019 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-10-27 02:28:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:28:09,680 INFO L93 Difference]: Finished difference Result 985 states and 1761 transitions. [2018-10-27 02:28:09,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 02:28:09,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-10-27 02:28:09,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:28:09,711 INFO L225 Difference]: With dead ends: 985 [2018-10-27 02:28:09,711 INFO L226 Difference]: Without dead ends: 686 [2018-10-27 02:28:09,720 INFO L605 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 [2018-10-27 02:28:09,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-10-27 02:28:09,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2018-10-27 02:28:09,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2018-10-27 02:28:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1046 transitions. [2018-10-27 02:28:09,843 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1046 transitions. Word has length 61 [2018-10-27 02:28:09,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:28:09,844 INFO L481 AbstractCegarLoop]: Abstraction has 686 states and 1046 transitions. [2018-10-27 02:28:09,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 02:28:09,844 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1046 transitions. [2018-10-27 02:28:09,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 02:28:09,854 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:28:09,854 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, 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] [2018-10-27 02:28:09,855 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:28:09,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:28:09,855 INFO L82 PathProgramCache]: Analyzing trace with hash 512006507, now seen corresponding path program 1 times [2018-10-27 02:28:09,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:28:09,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:28:09,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:28:09,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:28:09,858 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:28:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:28:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:28:10,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:28:10,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 02:28:10,333 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:28:10,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 02:28:10,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 02:28:10,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 02:28:10,337 INFO L87 Difference]: Start difference. First operand 686 states and 1046 transitions. Second operand 6 states. [2018-10-27 02:28:16,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:28:16,334 INFO L93 Difference]: Finished difference Result 2340 states and 3736 transitions. [2018-10-27 02:28:16,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 02:28:16,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-10-27 02:28:16,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:28:16,355 INFO L225 Difference]: With dead ends: 2340 [2018-10-27 02:28:16,355 INFO L226 Difference]: Without dead ends: 1660 [2018-10-27 02:28:16,360 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-27 02:28:16,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2018-10-27 02:28:16,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1641. [2018-10-27 02:28:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1641 states. [2018-10-27 02:28:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2355 transitions. [2018-10-27 02:28:16,455 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2355 transitions. Word has length 142 [2018-10-27 02:28:16,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:28:16,456 INFO L481 AbstractCegarLoop]: Abstraction has 1641 states and 2355 transitions. [2018-10-27 02:28:16,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 02:28:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2355 transitions. [2018-10-27 02:28:16,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 02:28:16,472 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:28:16,472 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, 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] [2018-10-27 02:28:16,473 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:28:16,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:28:16,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1402056089, now seen corresponding path program 1 times [2018-10-27 02:28:16,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:28:16,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:28:16,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:28:16,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:28:16,475 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:28:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:28:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:28:16,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:28:16,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 02:28:16,702 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:28:16,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 02:28:16,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 02:28:16,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 02:28:16,703 INFO L87 Difference]: Start difference. First operand 1641 states and 2355 transitions. Second operand 4 states. [2018-10-27 02:28:19,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:28:19,202 INFO L93 Difference]: Finished difference Result 6235 states and 9307 transitions. [2018-10-27 02:28:19,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 02:28:19,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2018-10-27 02:28:19,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:28:19,240 INFO L225 Difference]: With dead ends: 6235 [2018-10-27 02:28:19,241 INFO L226 Difference]: Without dead ends: 4600 [2018-10-27 02:28:19,258 INFO L605 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 [2018-10-27 02:28:19,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2018-10-27 02:28:19,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 4575. [2018-10-27 02:28:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4575 states. [2018-10-27 02:28:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 6360 transitions. [2018-10-27 02:28:19,426 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 6360 transitions. Word has length 156 [2018-10-27 02:28:19,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:28:19,427 INFO L481 AbstractCegarLoop]: Abstraction has 4575 states and 6360 transitions. [2018-10-27 02:28:19,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 02:28:19,427 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 6360 transitions. [2018-10-27 02:28:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 02:28:19,434 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:28:19,436 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, 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] [2018-10-27 02:28:19,436 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:28:19,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:28:19,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1808581075, now seen corresponding path program 1 times [2018-10-27 02:28:19,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:28:19,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:28:19,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:28:19,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:28:19,439 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:28:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:28:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:28:19,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 02:28:19,794 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 02:28:19,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-10-27 02:28:19,798 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 02:28:19,881 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 02:28:19,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 02:28:24,281 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 02:28:42,024 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 02:28:42,026 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-27 02:28:42,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:28:42,068 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 02:28:46,107 INFO L227 lantSequenceWeakener]: Weakened 33 states. On average, predicates are now at 77.62% of their original sizes. [2018-10-27 02:28:46,108 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 02:29:56,211 INFO L415 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2018-10-27 02:29:56,211 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 02:29:56,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 02:29:56,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [8] total 23 [2018-10-27 02:29:56,212 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:29:56,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-27 02:29:56,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-27 02:29:56,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-27 02:29:56,218 INFO L87 Difference]: Start difference. First operand 4575 states and 6360 transitions. Second operand 17 states. Received shutdown request... [2018-10-27 02:32:07,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-27 02:32:07,261 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 02:32:07,268 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 02:32:07,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:32:07 BoogieIcfgContainer [2018-10-27 02:32:07,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 02:32:07,270 INFO L168 Benchmark]: Toolchain (without parser) took 248763.52 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -278.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-27 02:32:07,273 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 02:32:07,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1023.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-10-27 02:32:07,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 289.63 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-27 02:32:07,278 INFO L168 Benchmark]: Boogie Preprocessor took 156.81 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 02:32:07,279 INFO L168 Benchmark]: RCFGBuilder took 5278.93 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 188.7 MB). Peak memory consumption was 188.7 MB. Max. memory is 7.1 GB. [2018-10-27 02:32:07,279 INFO L168 Benchmark]: TraceAbstraction took 242007.83 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 309.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-27 02:32:07,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1023.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 289.63 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.81 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 5278.93 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 188.7 MB). Peak memory consumption was 188.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 242007.83 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 309.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 168]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 168). Cancelled while BasicCegarLoop was constructing difference of abstraction (4575states) and FLOYD_HOARE automaton (currently 17 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (239 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 241.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 143.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 678 SDtfs, 2739 SDslu, 493 SDs, 0 SdLazy, 5268 SolverSat, 940 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 219 GetRequests, 133 SyntacticMatches, 54 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 75.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4575occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 22.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9953152557319225 AbsIntWeakeningRatio, 0.11979166666666667 AbsIntAvgWeakeningVarsNumRemoved, 958.3802083333334 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 44 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 552 NumberOfCodeBlocks, 552 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 548 ConstructedInterpolants, 0 QuantifiedInterpolants, 387903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 156/162 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown