java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:03:35,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:03:35,498 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:03:35,516 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:03:35,517 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:03:35,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:03:35,520 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:03:35,522 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:03:35,525 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:03:35,526 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:03:35,533 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:03:35,533 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:03:35,537 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:03:35,539 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:03:35,542 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:03:35,542 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:03:35,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:03:35,545 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:03:35,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:03:35,553 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:03:35,556 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:03:35,557 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:03:35,560 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 22:03:35,561 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 22:03:35,561 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 22:03:35,562 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 22:03:35,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 22:03:35,564 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 22:03:35,565 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 22:03:35,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 22:03:35,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 22:03:35,567 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 22:03:35,567 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:03:35,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:03:35,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:03:35,570 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:03:35,571 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 22:03:35,590 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:03:35,590 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:03:35,591 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:03:35,591 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:03:35,591 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:03:35,592 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:03:35,592 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:03:35,592 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:03:35,592 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:03:35,592 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:03:35,593 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:03:35,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:03:35,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:03:35,594 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:03:35,594 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:03:35,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:03:35,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:03:35,595 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:03:35,595 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:03:35,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:03:35,595 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:03:35,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:03:35,596 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:03:35,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:03:35,596 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:03:35,596 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:03:35,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:03:35,597 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:03:35,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:03:35,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:03:35,597 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:03:35,597 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:03:35,598 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:03:35,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:03:35,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:03:35,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:03:35,670 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:03:35,671 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:03:35,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-07-23 22:03:35,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/752377dca/f3f1ff2db9b940e2b18129a42b69f330/FLAG28097baf8 [2018-07-23 22:03:36,421 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:03:36,424 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-07-23 22:03:36,444 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/752377dca/f3f1ff2db9b940e2b18129a42b69f330/FLAG28097baf8 [2018-07-23 22:03:36,460 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/752377dca/f3f1ff2db9b940e2b18129a42b69f330 [2018-07-23 22:03:36,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:03:36,472 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:03:36,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:03:36,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:03:36,480 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:03:36,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:03:36" (1/1) ... [2018-07-23 22:03:36,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a528a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:36, skipping insertion in model container [2018-07-23 22:03:36,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:03:36" (1/1) ... [2018-07-23 22:03:36,690 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:03:37,075 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:03:37,095 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:03:37,299 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:03:37,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37 WrapperNode [2018-07-23 22:03:37,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:03:37,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:03:37,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:03:37,369 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:03:37,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (1/1) ... [2018-07-23 22:03:37,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (1/1) ... [2018-07-23 22:03:37,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:03:37,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:03:37,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:03:37,523 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:03:37,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (1/1) ... [2018-07-23 22:03:37,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (1/1) ... [2018-07-23 22:03:37,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (1/1) ... [2018-07-23 22:03:37,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (1/1) ... [2018-07-23 22:03:37,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (1/1) ... [2018-07-23 22:03:37,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (1/1) ... [2018-07-23 22:03:37,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (1/1) ... [2018-07-23 22:03:37,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:03:37,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:03:37,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:03:37,926 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:03:37,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (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 [2018-07-23 22:03:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:03:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:03:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:03:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:03:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:03:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:03:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:03:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:03:43,565 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:03:43,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:03:43 BoogieIcfgContainer [2018-07-23 22:03:43,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:03:43,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:03:43,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:03:43,571 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:03:43,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:03:36" (1/3) ... [2018-07-23 22:03:43,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405fe7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:03:43, skipping insertion in model container [2018-07-23 22:03:43,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:03:37" (2/3) ... [2018-07-23 22:03:43,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405fe7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:03:43, skipping insertion in model container [2018-07-23 22:03:43,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:03:43" (3/3) ... [2018-07-23 22:03:43,575 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label32_true-unreach-call.c [2018-07-23 22:03:43,585 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:03:43,601 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:03:43,657 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:03:43,658 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:03:43,658 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:03:43,658 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:03:43,659 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:03:43,659 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:03:43,659 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:03:43,659 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:03:43,659 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:03:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-07-23 22:03:43,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-07-23 22:03:43,697 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:03:43,699 INFO L353 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] [2018-07-23 22:03:43,699 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:03:43,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1081840209, now seen corresponding path program 1 times [2018-07-23 22:03:43,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:03:43,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:03:43,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:03:43,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:03:43,765 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:03:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:03:44,233 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:03:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:03:44,262 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:03:44,262 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 22:03:44,262 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:03:44,269 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 22:03:44,285 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 22:03:44,286 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:03:44,288 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-07-23 22:03:46,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:03:46,846 INFO L93 Difference]: Finished difference Result 790 states and 1382 transitions. [2018-07-23 22:03:46,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 22:03:46,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-07-23 22:03:46,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:03:46,873 INFO L225 Difference]: With dead ends: 790 [2018-07-23 22:03:46,874 INFO L226 Difference]: Without dead ends: 495 [2018-07-23 22:03:46,883 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:03:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-07-23 22:03:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2018-07-23 22:03:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-07-23 22:03:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 849 transitions. [2018-07-23 22:03:46,978 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 849 transitions. Word has length 47 [2018-07-23 22:03:46,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:03:46,979 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 849 transitions. [2018-07-23 22:03:46,979 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 22:03:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 849 transitions. [2018-07-23 22:03:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-07-23 22:03:46,993 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:03:46,993 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:03:46,994 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:03:46,994 INFO L82 PathProgramCache]: Analyzing trace with hash -525909648, now seen corresponding path program 1 times [2018-07-23 22:03:46,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:03:46,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:03:46,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:03:46,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:03:46,998 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:03:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:03:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:03:47,353 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:03:47,354 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:03:47,354 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:03:47,356 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:03:47,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:03:47,357 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:03:47,357 INFO L87 Difference]: Start difference. First operand 488 states and 849 transitions. Second operand 5 states. [2018-07-23 22:03:54,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:03:54,633 INFO L93 Difference]: Finished difference Result 1731 states and 3162 transitions. [2018-07-23 22:03:54,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:03:54,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2018-07-23 22:03:54,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:03:54,652 INFO L225 Difference]: With dead ends: 1731 [2018-07-23 22:03:54,652 INFO L226 Difference]: Without dead ends: 1249 [2018-07-23 22:03:54,657 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:03:54,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-07-23 22:03:54,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1032. [2018-07-23 22:03:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-07-23 22:03:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1658 transitions. [2018-07-23 22:03:54,751 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1658 transitions. Word has length 123 [2018-07-23 22:03:54,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:03:54,752 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1658 transitions. [2018-07-23 22:03:54,752 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:03:54,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1658 transitions. [2018-07-23 22:03:54,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 22:03:54,761 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:03:54,761 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:03:54,761 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:03:54,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1179143583, now seen corresponding path program 1 times [2018-07-23 22:03:54,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:03:54,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:03:54,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:03:54,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:03:54,765 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:03:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:03:55,072 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:03:55,073 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:03:55,073 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:03:55,073 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:03:55,074 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:03:55,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:03:55,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:03:55,075 INFO L87 Difference]: Start difference. First operand 1032 states and 1658 transitions. Second operand 6 states. [2018-07-23 22:03:59,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:03:59,540 INFO L93 Difference]: Finished difference Result 3996 states and 6919 transitions. [2018-07-23 22:03:59,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 22:03:59,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-07-23 22:03:59,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:03:59,572 INFO L225 Difference]: With dead ends: 3996 [2018-07-23 22:03:59,572 INFO L226 Difference]: Without dead ends: 2970 [2018-07-23 22:03:59,588 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-23 22:03:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2018-07-23 22:03:59,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 2909. [2018-07-23 22:03:59,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2909 states. [2018-07-23 22:03:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 4228 transitions. [2018-07-23 22:03:59,716 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 4228 transitions. Word has length 134 [2018-07-23 22:03:59,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:03:59,717 INFO L471 AbstractCegarLoop]: Abstraction has 2909 states and 4228 transitions. [2018-07-23 22:03:59,717 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:03:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 4228 transitions. [2018-07-23 22:03:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 22:03:59,726 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:03:59,726 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:03:59,726 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:03:59,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1374787125, now seen corresponding path program 1 times [2018-07-23 22:03:59,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:03:59,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:03:59,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:03:59,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:03:59,728 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:03:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:04:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:04:00,273 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:04:00,273 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:04:00,274 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-07-23 22:04:00,277 INFO L201 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], [277], [279], [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], [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] [2018-07-23 22:04:00,348 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:04:00,349 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:05:47,654 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:05:47,656 INFO L272 AbstractInterpreter]: Visited 139 different actions 272 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-07-23 22:05:47,669 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:06:30,690 INFO L232 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 73.77% of their original sizes. [2018-07-23 22:06:30,690 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:06:34,081 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:06:34,082 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:06:34,083 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [8] total 19 [2018-07-23 22:06:34,083 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:06:34,084 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 22:06:34,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 22:06:34,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-07-23 22:06:34,085 INFO L87 Difference]: Start difference. First operand 2909 states and 4228 transitions. Second operand 13 states. [2018-07-23 22:07:14,977 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 22:07:38,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 22:07:38,781 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:07:38,787 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:07:38,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:07:38 BoogieIcfgContainer [2018-07-23 22:07:38,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:07:38,788 INFO L168 Benchmark]: Toolchain (without parser) took 242317.18 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -147.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-07-23 22:07:38,790 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-07-23 22:07:38,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 894.51 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-07-23 22:07:38,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 22:07:38,792 INFO L168 Benchmark]: Boogie Preprocessor took 402.57 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 800.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -924.3 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-07-23 22:07:38,793 INFO L168 Benchmark]: RCFGBuilder took 5640.50 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: 199.7 MB). Peak memory consumption was 199.7 MB. Max. memory is 7.1 GB. [2018-07-23 22:07:38,794 INFO L168 Benchmark]: TraceAbstraction took 235220.60 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 481.8 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-07-23 22:07:38,799 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 894.51 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 154.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 402.57 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 800.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -924.3 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5640.50 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: 199.7 MB). Peak memory consumption was 199.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 235220.60 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 481.8 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 126). Cancelled while BasicCegarLoop was constructing difference of abstraction (2909states) and interpolant automaton (currently 13 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (919 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 235.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 79.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 440 SDtfs, 2965 SDslu, 532 SDs, 0 SdLazy, 4688 SolverSat, 1080 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 214 GetRequests, 141 SyntacticMatches, 37 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2909occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 107.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9949467926996017 AbsIntWeakeningRatio, 0.12921348314606743 AbsIntAvgWeakeningVarsNumRemoved, 39.70224719101124 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 285 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 483 NumberOfCodeBlocks, 483 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 336405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 114/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label32_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-07-38-817.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label32_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-07-38-817.csv Completed graceful shutdown