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/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 10:55:07,450 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 10:55:07,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 10:55:07,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 10:55:07,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 10:55:07,472 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 10:55:07,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 10:55:07,476 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 10:55:07,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 10:55:07,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 10:55:07,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 10:55:07,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 10:55:07,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 10:55:07,493 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 10:55:07,496 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 10:55:07,497 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 10:55:07,498 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 10:55:07,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 10:55:07,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 10:55:07,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 10:55:07,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 10:55:07,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 10:55:07,515 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 10:55:07,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 10:55:07,518 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 10:55:07,519 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 10:55:07,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 10:55:07,521 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 10:55:07,522 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 10:55:07,523 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 10:55:07,523 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 10:55:07,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 10:55:07,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 10:55:07,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 10:55:07,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 10:55:07,528 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 10:55:07,528 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-07-24 10:55:07,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 10:55:07,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 10:55:07,562 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 10:55:07,562 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 10:55:07,562 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 10:55:07,562 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 10:55:07,563 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 10:55:07,563 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 10:55:07,563 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 10:55:07,563 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 10:55:07,563 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 10:55:07,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 10:55:07,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 10:55:07,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 10:55:07,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 10:55:07,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 10:55:07,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 10:55:07,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 10:55:07,566 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 10:55:07,567 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 10:55:07,567 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 10:55:07,567 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 10:55:07,567 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 10:55:07,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 10:55:07,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 10:55:07,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 10:55:07,568 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 10:55:07,568 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 10:55:07,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 10:55:07,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 10:55:07,569 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 10:55:07,569 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 10:55:07,569 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 10:55:07,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 10:55:07,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 10:55:07,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 10:55:07,665 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 10:55:07,666 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 10:55:07,666 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-07-24 10:55:08,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c65eb85f/d8be750596374c20b09c9a1720049b60/FLAGc3ea76651 [2018-07-24 10:55:08,163 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 10:55:08,163 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-07-24 10:55:08,169 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c65eb85f/d8be750596374c20b09c9a1720049b60/FLAGc3ea76651 [2018-07-24 10:55:08,183 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c65eb85f/d8be750596374c20b09c9a1720049b60 [2018-07-24 10:55:08,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 10:55:08,196 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 10:55:08,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 10:55:08,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 10:55:08,203 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 10:55:08,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51dba372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08, skipping insertion in model container [2018-07-24 10:55:08,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,397 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 10:55:08,440 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:55:08,464 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 10:55:08,469 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:55:08,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08 WrapperNode [2018-07-24 10:55:08,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 10:55:08,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 10:55:08,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 10:55:08,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 10:55:08,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 10:55:08,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 10:55:08,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 10:55:08,511 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 10:55:08,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (1/1) ... [2018-07-24 10:55:08,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 10:55:08,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 10:55:08,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 10:55:08,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 10:55:08,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (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 [2018-07-24 10:55:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 10:55:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 10:55:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-07-24 10:55:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-07-24 10:55:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 10:55:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 10:55:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 10:55:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 10:55:08,926 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 10:55:08,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:55:08 BoogieIcfgContainer [2018-07-24 10:55:08,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 10:55:08,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 10:55:08,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 10:55:08,932 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 10:55:08,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 10:55:08" (1/3) ... [2018-07-24 10:55:08,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cffa9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:55:08, skipping insertion in model container [2018-07-24 10:55:08,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:55:08" (2/3) ... [2018-07-24 10:55:08,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cffa9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:55:08, skipping insertion in model container [2018-07-24 10:55:08,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:55:08" (3/3) ... [2018-07-24 10:55:08,936 INFO L112 eAbstractionObserver]: Analyzing ICFG css2003_true-unreach-call_true-termination.c.i [2018-07-24 10:55:08,946 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 10:55:08,953 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 10:55:09,003 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 10:55:09,004 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 10:55:09,004 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 10:55:09,004 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 10:55:09,004 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 10:55:09,004 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 10:55:09,005 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 10:55:09,005 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 10:55:09,005 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 10:55:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-07-24 10:55:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-24 10:55:09,027 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:55:09,028 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:55:09,028 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:55:09,033 INFO L82 PathProgramCache]: Analyzing trace with hash -2139720349, now seen corresponding path program 1 times [2018-07-24 10:55:09,036 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:55:09,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:55:09,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:55:09,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:55:09,090 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:55:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:55:09,374 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-07-24 10:55:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 10:55:09,510 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:55:09,510 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-24 10:55:09,510 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:55:09,515 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 10:55:09,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 10:55:09,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-07-24 10:55:09,530 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 7 states. [2018-07-24 10:55:09,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:55:09,745 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2018-07-24 10:55:09,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 10:55:09,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-07-24 10:55:09,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:55:09,757 INFO L225 Difference]: With dead ends: 36 [2018-07-24 10:55:09,757 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 10:55:09,761 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-07-24 10:55:09,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 10:55:09,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 10:55:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 10:55:09,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 10:55:09,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-07-24 10:55:09,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:55:09,785 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 10:55:09,785 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 10:55:09,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 10:55:09,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 10:55:09,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 10:55:10,164 WARN L169 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-07-24 10:55:10,167 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:55:10,168 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-24 10:55:10,168 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-24 10:55:10,168 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-07-24 10:55:10,168 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-24 10:55:10,169 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-24 10:55:10,169 INFO L421 ceAbstractionStarter]: For program point L4''(lines 3 8) no Hoare annotation was computed. [2018-07-24 10:55:10,169 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_css_____true_unreach_call_true_termination_c_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-07-24 10:55:10,170 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-24 10:55:10,170 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 10:55:10,170 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 10:55:10,170 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:55:10,171 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 10 23) no Hoare annotation was computed. [2018-07-24 10:55:10,171 INFO L417 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~k~0))) (and (<= .cse0 2) (<= 2 main_~i~0) (<= 1 .cse0))) [2018-07-24 10:55:10,171 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 10 23) no Hoare annotation was computed. [2018-07-24 10:55:10,171 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 10 23) the Hoare annotation is: true [2018-07-24 10:55:10,171 INFO L421 ceAbstractionStarter]: For program point L16(lines 16 21) no Hoare annotation was computed. [2018-07-24 10:55:10,172 INFO L421 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-07-24 10:55:10,172 INFO L421 ceAbstractionStarter]: For program point L16''(lines 16 21) no Hoare annotation was computed. [2018-07-24 10:55:10,172 INFO L417 ceAbstractionStarter]: At program point L20'(lines 16 21) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~k~0))) (and (<= .cse0 2) (<= 1 main_~i~0) (<= 1 .cse0))) [2018-07-24 10:55:10,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 10:55:10 BoogieIcfgContainer [2018-07-24 10:55:10,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 10:55:10,185 INFO L168 Benchmark]: Toolchain (without parser) took 1990.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -748.6 MB). Peak memory consumption was 64.6 kB. Max. memory is 7.1 GB. [2018-07-24 10:55:10,187 INFO L168 Benchmark]: CDTParser took 0.28 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. [2018-07-24 10:55:10,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.06 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-24 10:55:10,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.90 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. [2018-07-24 10:55:10,190 INFO L168 Benchmark]: Boogie Preprocessor took 27.87 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. [2018-07-24 10:55:10,190 INFO L168 Benchmark]: RCFGBuilder took 388.13 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2018-07-24 10:55:10,191 INFO L168 Benchmark]: TraceAbstraction took 1256.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2018-07-24 10:55:10,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 289.06 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.90 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. * Boogie Preprocessor took 27.87 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. * RCFGBuilder took 388.13 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1256.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (i + k <= 2 && 1 <= i) && 1 <= i + k - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 16 SDslu, 54 SDs, 0 SdLazy, 25 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 33 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/css2003_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_10-55-10-211.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/css2003_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_10-55-10-211.csv Received shutdown request...