java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label12_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 15:25:57,438 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 15:25:57,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 15:25:57,454 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 15:25:57,454 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 15:25:57,455 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 15:25:57,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 15:25:57,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 15:25:57,462 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 15:25:57,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 15:25:57,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 15:25:57,465 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 15:25:57,466 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 15:25:57,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 15:25:57,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 15:25:57,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 15:25:57,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 15:25:57,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 15:25:57,481 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 15:25:57,483 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 15:25:57,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 15:25:57,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 15:25:57,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 15:25:57,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 15:25:57,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 15:25:57,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 15:25:57,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 15:25:57,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 15:25:57,497 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 15:25:57,498 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 15:25:57,498 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 15:25:57,499 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-21 15:25:57,504 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 15:25:57,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 15:25:57,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 15:25:57,529 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 15:25:57,529 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 15:25:57,530 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 15:25:57,530 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 15:25:57,530 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 15:25:57,530 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 15:25:57,530 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 15:25:57,531 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 15:25:57,531 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 15:25:57,531 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 15:25:57,532 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 15:25:57,532 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 15:25:57,532 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 15:25:57,532 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 15:25:57,532 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 15:25:57,533 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 15:25:57,533 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 15:25:57,533 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 15:25:57,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 15:25:57,533 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 15:25:57,533 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 15:25:57,534 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 15:25:57,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 15:25:57,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 15:25:57,534 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 15:25:57,534 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 15:25:57,535 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 15:25:57,535 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 15:25:57,535 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 15:25:57,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 15:25:57,535 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 15:25:57,535 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 15:25:57,536 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 15:25:57,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 15:25:57,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 15:25:57,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 15:25:57,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 15:25:57,618 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 15:25:57,619 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label12_true-unreach-call.c [2018-07-21 15:25:57,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/f508f6d66/9ae648a95d4a4a9da915a4c2ca060777/FLAG060fe6053 [2018-07-21 15:25:58,334 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 15:25:58,335 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label12_true-unreach-call.c [2018-07-21 15:25:58,378 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/f508f6d66/9ae648a95d4a4a9da915a4c2ca060777/FLAG060fe6053 [2018-07-21 15:25:58,400 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/f508f6d66/9ae648a95d4a4a9da915a4c2ca060777 [2018-07-21 15:25:58,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 15:25:58,417 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 15:25:58,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 15:25:58,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 15:25:58,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 15:25:58,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:25:58" (1/1) ... [2018-07-21 15:25:58,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d27a45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:58, skipping insertion in model container [2018-07-21 15:25:58,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:25:58" (1/1) ... [2018-07-21 15:25:58,652 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 15:25:59,042 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 15:25:59,066 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 15:25:59,329 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 15:25:59,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59 WrapperNode [2018-07-21 15:25:59,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 15:25:59,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 15:25:59,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 15:25:59,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 15:25:59,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... [2018-07-21 15:25:59,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... [2018-07-21 15:25:59,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 15:25:59,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 15:25:59,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 15:25:59,610 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 15:25:59,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... [2018-07-21 15:25:59,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... [2018-07-21 15:25:59,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... [2018-07-21 15:25:59,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... [2018-07-21 15:25:59,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... [2018-07-21 15:25:59,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... [2018-07-21 15:25:59,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... [2018-07-21 15:26:00,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 15:26:00,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 15:26:00,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 15:26:00,060 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 15:26:00,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 15:26:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 15:26:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 15:26:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 15:26:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 15:26:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 15:26:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 15:26:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 15:26:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 15:26:04,267 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 15:26:04,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:26:04 BoogieIcfgContainer [2018-07-21 15:26:04,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 15:26:04,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 15:26:04,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 15:26:04,274 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 15:26:04,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:25:58" (1/3) ... [2018-07-21 15:26:04,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f673049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:26:04, skipping insertion in model container [2018-07-21 15:26:04,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:25:59" (2/3) ... [2018-07-21 15:26:04,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f673049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:26:04, skipping insertion in model container [2018-07-21 15:26:04,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:26:04" (3/3) ... [2018-07-21 15:26:04,278 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label12_true-unreach-call.c [2018-07-21 15:26:04,287 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 15:26:04,295 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 15:26:04,340 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 15:26:04,340 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 15:26:04,341 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 15:26:04,341 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 15:26:04,341 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 15:26:04,341 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 15:26:04,341 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 15:26:04,341 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 15:26:04,341 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 15:26:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-07-21 15:26:04,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-21 15:26:04,376 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:26:04,377 INFO L358 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] [2018-07-21 15:26:04,378 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:26:04,383 INFO L82 PathProgramCache]: Analyzing trace with hash 927648556, now seen corresponding path program 1 times [2018-07-21 15:26:04,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:26:04,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:26:04,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:26:04,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:26:04,467 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:26:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:26:04,836 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 15:26:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:26:04,871 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:26:04,871 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 15:26:04,872 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:26:04,875 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 15:26:04,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 15:26:04,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 15:26:04,897 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-07-21 15:26:06,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:26:06,767 INFO L93 Difference]: Finished difference Result 790 states and 1382 transitions. [2018-07-21 15:26:06,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 15:26:06,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-07-21 15:26:06,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:26:06,792 INFO L225 Difference]: With dead ends: 790 [2018-07-21 15:26:06,792 INFO L226 Difference]: Without dead ends: 495 [2018-07-21 15:26:06,800 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 15:26:06,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-07-21 15:26:06,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2018-07-21 15:26:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-07-21 15:26:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 849 transitions. [2018-07-21 15:26:06,894 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 849 transitions. Word has length 32 [2018-07-21 15:26:06,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:26:06,895 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 849 transitions. [2018-07-21 15:26:06,895 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 15:26:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 849 transitions. [2018-07-21 15:26:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-21 15:26:06,901 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:26:06,901 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 15:26:06,901 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:26:06,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1925097876, now seen corresponding path program 1 times [2018-07-21 15:26:06,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:26:06,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:26:06,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:26:06,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:26:06,903 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:26:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:26:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:26:07,203 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:26:07,204 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 15:26:07,204 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:26:07,206 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 15:26:07,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 15:26:07,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-21 15:26:07,206 INFO L87 Difference]: Start difference. First operand 488 states and 849 transitions. Second operand 5 states. [2018-07-21 15:26:13,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:26:13,816 INFO L93 Difference]: Finished difference Result 1731 states and 3162 transitions. [2018-07-21 15:26:13,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 15:26:13,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2018-07-21 15:26:13,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:26:13,838 INFO L225 Difference]: With dead ends: 1731 [2018-07-21 15:26:13,838 INFO L226 Difference]: Without dead ends: 1249 [2018-07-21 15:26:13,844 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-21 15:26:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-07-21 15:26:13,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1032. [2018-07-21 15:26:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-07-21 15:26:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1658 transitions. [2018-07-21 15:26:13,940 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1658 transitions. Word has length 108 [2018-07-21 15:26:13,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:26:13,941 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1658 transitions. [2018-07-21 15:26:13,941 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 15:26:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1658 transitions. [2018-07-21 15:26:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-21 15:26:13,951 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:26:13,951 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 15:26:13,951 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:26:13,952 INFO L82 PathProgramCache]: Analyzing trace with hash 897036503, now seen corresponding path program 1 times [2018-07-21 15:26:13,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:26:13,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:26:13,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:26:13,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:26:13,953 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:26:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:26:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:26:14,180 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 15:26:14,181 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 15:26:14,181 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 15:26:14,181 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 15:26:14,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 15:26:14,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-21 15:26:14,182 INFO L87 Difference]: Start difference. First operand 1032 states and 1658 transitions. Second operand 5 states. [2018-07-21 15:26:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 15:26:18,217 INFO L93 Difference]: Finished difference Result 3653 states and 6070 transitions. [2018-07-21 15:26:18,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 15:26:18,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2018-07-21 15:26:18,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 15:26:18,235 INFO L225 Difference]: With dead ends: 3653 [2018-07-21 15:26:18,236 INFO L226 Difference]: Without dead ends: 2627 [2018-07-21 15:26:18,242 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-21 15:26:18,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2627 states. [2018-07-21 15:26:18,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2627 to 2592. [2018-07-21 15:26:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2592 states. [2018-07-21 15:26:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 3713 transitions. [2018-07-21 15:26:18,377 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 3713 transitions. Word has length 119 [2018-07-21 15:26:18,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 15:26:18,377 INFO L471 AbstractCegarLoop]: Abstraction has 2592 states and 3713 transitions. [2018-07-21 15:26:18,377 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 15:26:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3713 transitions. [2018-07-21 15:26:18,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-21 15:26:18,387 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 15:26:18,387 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 15:26:18,388 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 15:26:18,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1419639623, now seen corresponding path program 1 times [2018-07-21 15:26:18,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 15:26:18,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:26:18,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 15:26:18,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 15:26:18,389 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 15:26:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 15:26:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 15:26:18,894 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 15:26:18,924 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 15:26:18,925 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-07-21 15:26:18,927 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [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], [619], [623], [627], [631], [635], [639], [650], [654], [658], [662], [666], [670], [674], [678], [682], [686], [690], [701], [712], [716], [720], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [786], [790], [793], [796], [800], [1108], [1109], [1110], [1111], [1113], [1114] [2018-07-21 15:26:18,993 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 15:26:18,994 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 15:26:37,257 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 15:28:27,336 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 15:28:27,338 INFO L272 AbstractInterpreter]: Visited 139 different actions 405 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-07-21 15:28:27,368 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 15:28:42,830 INFO L232 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 73.47% of their original sizes. [2018-07-21 15:28:42,830 INFO L408 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-07-21 15:30:08,976 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 15:30:08,981 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 15:30:08,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:30:08 BoogieIcfgContainer [2018-07-21 15:30:08,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 15:30:08,983 INFO L168 Benchmark]: Toolchain (without parser) took 250570.96 ms. Allocated memory was 304.6 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 248.1 MB in the beginning and 845.5 MB in the end (delta: -597.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. [2018-07-21 15:30:08,987 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 304.6 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 15:30:08,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1027.93 ms. Allocated memory was 304.6 MB in the beginning and 335.0 MB in the end (delta: 30.4 MB). Free memory was 247.1 MB in the beginning and 290.9 MB in the end (delta: -43.8 MB). Peak memory consumption was 80.3 MB. Max. memory is 5.3 GB. [2018-07-21 15:30:08,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.94 ms. Allocated memory is still 335.0 MB. Free memory was 290.9 MB in the beginning and 271.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 5.3 GB. [2018-07-21 15:30:08,989 INFO L168 Benchmark]: Boogie Preprocessor took 448.36 ms. Allocated memory was 335.0 MB in the beginning and 514.9 MB in the end (delta: 179.8 MB). Free memory was 271.6 MB in the beginning and 475.2 MB in the end (delta: -203.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-07-21 15:30:08,990 INFO L168 Benchmark]: RCFGBuilder took 4209.90 ms. Allocated memory is still 514.9 MB. Free memory was 475.2 MB in the beginning and 287.7 MB in the end (delta: 187.5 MB). Peak memory consumption was 187.5 MB. Max. memory is 5.3 GB. [2018-07-21 15:30:08,991 INFO L168 Benchmark]: TraceAbstraction took 244711.91 ms. Allocated memory was 514.9 MB in the beginning and 2.3 GB in the end (delta: 1.7 GB). Free memory was 287.7 MB in the beginning and 845.5 MB in the end (delta: -557.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. [2018-07-21 15:30:08,995 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 304.6 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1027.93 ms. Allocated memory was 304.6 MB in the beginning and 335.0 MB in the end (delta: 30.4 MB). Free memory was 247.1 MB in the beginning and 290.9 MB in the end (delta: -43.8 MB). Peak memory consumption was 80.3 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 162.94 ms. Allocated memory is still 335.0 MB. Free memory was 290.9 MB in the beginning and 271.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 448.36 ms. Allocated memory was 335.0 MB in the beginning and 514.9 MB in the end (delta: 179.8 MB). Free memory was 271.6 MB in the beginning and 475.2 MB in the end (delta: -203.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 4209.90 ms. Allocated memory is still 514.9 MB. Free memory was 475.2 MB in the beginning and 287.7 MB in the end (delta: 187.5 MB). Peak memory consumption was 187.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 244711.91 ms. Allocated memory was 514.9 MB in the beginning and 2.3 GB in the end (delta: 1.7 GB). Free memory was 287.7 MB in the beginning and 845.5 MB in the end (delta: -557.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 81). Cancelled while BasicCegarLoop was analyzing trace of length 165 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 25 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 244.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 12.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 398 SDtfs, 2093 SDslu, 439 SDs, 0 SdLazy, 4199 SolverSat, 960 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2592occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 128.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.994481773622878 AbsIntWeakeningRatio, 0.1411042944785276 AbsIntAvgWeakeningVarsNumRemoved, 52.45398773006135 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 259 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 67177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 50/50 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem11_label12_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_15-30-09-008.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem11_label12_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_15-30-09-008.csv Completed graceful shutdown