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/eca-rers2012/Problem17_label23_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 12:23:28,419 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 12:23:28,421 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 12:23:28,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 12:23:28,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 12:23:28,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 12:23:28,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 12:23:28,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 12:23:28,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 12:23:28,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 12:23:28,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 12:23:28,441 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 12:23:28,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 12:23:28,443 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 12:23:28,444 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 12:23:28,445 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 12:23:28,445 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 12:23:28,447 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 12:23:28,449 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 12:23:28,451 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 12:23:28,452 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 12:23:28,453 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 12:23:28,456 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 12:23:28,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 12:23:28,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 12:23:28,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 12:23:28,458 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 12:23:28,459 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 12:23:28,460 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 12:23:28,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 12:23:28,461 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 12:23:28,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 12:23:28,462 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 12:23:28,463 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 12:23:28,464 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 12:23:28,464 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 12:23:28,465 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 12:23:28,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 12:23:28,481 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 12:23:28,482 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 12:23:28,482 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 12:23:28,482 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 12:23:28,482 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 12:23:28,482 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 12:23:28,483 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 12:23:28,483 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 12:23:28,483 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 12:23:28,483 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 12:23:28,484 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 12:23:28,485 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 12:23:28,486 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 12:23:28,486 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 12:23:28,486 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 12:23:28,486 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 12:23:28,486 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 12:23:28,487 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 12:23:28,487 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 12:23:28,487 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 12:23:28,487 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 12:23:28,487 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 12:23:28,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:23:28,488 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 12:23:28,488 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 12:23:28,488 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 12:23:28,488 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 12:23:28,488 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 12:23:28,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 12:23:28,489 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 12:23:28,489 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 12:23:28,489 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 12:23:28,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 12:23:28,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 12:23:28,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 12:23:28,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 12:23:28,577 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 12:23:28,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label23_false-unreach-call.c [2018-07-24 12:23:28,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb55ec5f4/3d0a8a350427432886db20bc67c3b25d/FLAGeec340888 [2018-07-24 12:23:29,403 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 12:23:29,404 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label23_false-unreach-call.c [2018-07-24 12:23:29,438 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb55ec5f4/3d0a8a350427432886db20bc67c3b25d/FLAGeec340888 [2018-07-24 12:23:29,460 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb55ec5f4/3d0a8a350427432886db20bc67c3b25d [2018-07-24 12:23:29,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 12:23:29,475 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 12:23:29,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 12:23:29,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 12:23:29,488 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 12:23:29,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:23:29" (1/1) ... [2018-07-24 12:23:29,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cca5ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:29, skipping insertion in model container [2018-07-24 12:23:29,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:23:29" (1/1) ... [2018-07-24 12:23:29,763 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 12:23:30,522 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:23:30,543 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 12:23:30,989 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:23:31,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31 WrapperNode [2018-07-24 12:23:31,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 12:23:31,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 12:23:31,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 12:23:31,202 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 12:23:31,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (1/1) ... [2018-07-24 12:23:31,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (1/1) ... [2018-07-24 12:23:31,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 12:23:31,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 12:23:31,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 12:23:31,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 12:23:32,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (1/1) ... [2018-07-24 12:23:32,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (1/1) ... [2018-07-24 12:23:32,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (1/1) ... [2018-07-24 12:23:32,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (1/1) ... [2018-07-24 12:23:32,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (1/1) ... [2018-07-24 12:23:32,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (1/1) ... [2018-07-24 12:23:32,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (1/1) ... [2018-07-24 12:23:32,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 12:23:32,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 12:23:32,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 12:23:32,364 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 12:23:32,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (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 12:23:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 12:23:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 12:23:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 12:23:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 12:23:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 12:23:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 12:23:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-24 12:23:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-24 12:23:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-24 12:23:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-24 12:23:44,083 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 12:23:44,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:23:44 BoogieIcfgContainer [2018-07-24 12:23:44,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 12:23:44,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 12:23:44,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 12:23:44,097 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 12:23:44,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:23:29" (1/3) ... [2018-07-24 12:23:44,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10004f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:23:44, skipping insertion in model container [2018-07-24 12:23:44,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:23:31" (2/3) ... [2018-07-24 12:23:44,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10004f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:23:44, skipping insertion in model container [2018-07-24 12:23:44,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:23:44" (3/3) ... [2018-07-24 12:23:44,107 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label23_false-unreach-call.c [2018-07-24 12:23:44,117 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 12:23:44,132 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 12:23:44,215 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 12:23:44,216 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 12:23:44,216 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 12:23:44,217 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 12:23:44,217 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 12:23:44,217 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 12:23:44,217 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 12:23:44,217 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 12:23:44,218 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 12:23:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-07-24 12:23:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-24 12:23:44,282 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:23:44,283 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] [2018-07-24 12:23:44,284 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:23:44,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1126424188, now seen corresponding path program 1 times [2018-07-24 12:23:44,294 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:23:44,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:23:44,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:23:44,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:23:44,346 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:23:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:23:44,717 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 12:23:44,720 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:23:44,720 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 12:23:44,720 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:23:44,726 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 12:23:44,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 12:23:44,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:23:44,743 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-07-24 12:23:57,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:23:57,412 INFO L93 Difference]: Finished difference Result 2164 states and 4009 transitions. [2018-07-24 12:23:57,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 12:23:57,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-07-24 12:23:57,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:23:57,456 INFO L225 Difference]: With dead ends: 2164 [2018-07-24 12:23:57,456 INFO L226 Difference]: Without dead ends: 1554 [2018-07-24 12:23:57,467 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:23:57,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2018-07-24 12:23:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1052. [2018-07-24 12:23:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2018-07-24 12:23:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1882 transitions. [2018-07-24 12:23:57,613 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1882 transitions. Word has length 28 [2018-07-24 12:23:57,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:23:57,614 INFO L471 AbstractCegarLoop]: Abstraction has 1052 states and 1882 transitions. [2018-07-24 12:23:57,614 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 12:23:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1882 transitions. [2018-07-24 12:23:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-24 12:23:57,623 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:23:57,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:23:57,625 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:23:57,625 INFO L82 PathProgramCache]: Analyzing trace with hash -501497686, now seen corresponding path program 1 times [2018-07-24 12:23:57,626 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:23:57,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:23:57,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:23:57,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:23:57,630 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:23:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:23:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:23:57,914 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:23:57,915 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:23:57,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:23:57,917 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:23:57,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:23:57,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:23:57,918 INFO L87 Difference]: Start difference. First operand 1052 states and 1882 transitions. Second operand 6 states. [2018-07-24 12:24:14,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:24:14,157 INFO L93 Difference]: Finished difference Result 3937 states and 7287 transitions. [2018-07-24 12:24:14,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:24:14,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-07-24 12:24:14,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:24:14,180 INFO L225 Difference]: With dead ends: 3937 [2018-07-24 12:24:14,180 INFO L226 Difference]: Without dead ends: 2891 [2018-07-24 12:24:14,192 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-24 12:24:14,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2018-07-24 12:24:14,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2878. [2018-07-24 12:24:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2878 states. [2018-07-24 12:24:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2878 states and 4179 transitions. [2018-07-24 12:24:14,283 INFO L78 Accepts]: Start accepts. Automaton has 2878 states and 4179 transitions. Word has length 100 [2018-07-24 12:24:14,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:24:14,283 INFO L471 AbstractCegarLoop]: Abstraction has 2878 states and 4179 transitions. [2018-07-24 12:24:14,284 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:24:14,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2878 states and 4179 transitions. [2018-07-24 12:24:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-24 12:24:14,288 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:24:14,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:24:14,289 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:24:14,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1142375414, now seen corresponding path program 1 times [2018-07-24 12:24:14,289 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:24:14,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:24:14,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:24:14,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:24:14,290 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:24:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:24:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:24:14,673 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:24:14,673 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:24:14,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:24:14,684 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:24:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:24:14,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:24:17,593 WARN L169 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2018-07-24 12:24:17,921 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2018-07-24 12:24:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:24:18,004 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:24:22,156 WARN L169 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-07-24 12:24:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:24:22,534 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 12:24:22,534 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-07-24 12:24:22,535 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:24:22,535 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:24:22,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:24:22,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=165, Unknown=1, NotChecked=0, Total=210 [2018-07-24 12:24:22,536 INFO L87 Difference]: Start difference. First operand 2878 states and 4179 transitions. Second operand 6 states. Received shutdown request... [2018-07-24 12:28:01,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:28:01,657 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 12:28:01,662 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 12:28:01,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 12:28:01 BoogieIcfgContainer [2018-07-24 12:28:01,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 12:28:01,664 INFO L168 Benchmark]: Toolchain (without parser) took 272190.45 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.1 GB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. [2018-07-24 12:28:01,665 INFO L168 Benchmark]: CDTParser took 0.24 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 12:28:01,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1723.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. [2018-07-24 12:28:01,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 287.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-24 12:28:01,668 INFO L168 Benchmark]: Boogie Preprocessor took 874.90 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 944.8 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-07-24 12:28:01,669 INFO L168 Benchmark]: RCFGBuilder took 11725.48 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 502.1 MB). Peak memory consumption was 502.1 MB. Max. memory is 7.1 GB. [2018-07-24 12:28:01,669 INFO L168 Benchmark]: TraceAbstraction took 257572.98 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 252.2 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -706.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 12:28:01,674 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1723.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 287.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 874.90 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 944.8 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11725.48 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 502.1 MB). Peak memory consumption was 502.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257572.98 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 252.2 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -706.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 71). Cancelled while BasicCegarLoop was constructing difference of abstraction (2878states) and interpolant automaton (currently 7 states, 6 states before enhancement), while ReachableStatesComputation was computing reachable states (2284 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 257.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 248.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 553 SDtfs, 4346 SDslu, 656 SDs, 0 SdLazy, 7290 SolverSat, 2036 SolverUnsat, 105 SolverUnknown, 0 SolverNotchecked, 241.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2878occurred in iteration=2, 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: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 515 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 432 ConstructedInterpolants, 102 QuantifiedInterpolants, 449988 SizeOfPredicates, 3 NumberOfNonLiveVariables, 255 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 46/84 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/Problem17_label23_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_12-28-01-697.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label23_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_12-28-01-697.csv Completed graceful shutdown