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_label17_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 14:50:15,220 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 14:50:15,222 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 14:50:15,233 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 14:50:15,234 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 14:50:15,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 14:50:15,237 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 14:50:15,240 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 14:50:15,241 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 14:50:15,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 14:50:15,245 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 14:50:15,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 14:50:15,247 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 14:50:15,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 14:50:15,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 14:50:15,250 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 14:50:15,253 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 14:50:15,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 14:50:15,267 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 14:50:15,268 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 14:50:15,271 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 14:50:15,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 14:50:15,276 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 14:50:15,276 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 14:50:15,276 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 14:50:15,279 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 14:50:15,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 14:50:15,281 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 14:50:15,281 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 14:50:15,285 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 14:50:15,285 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 14:50:15,286 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 14:50:15,286 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 14:50:15,286 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 14:50:15,287 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 14:50:15,288 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 14:50:15,288 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 14:50:15,304 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 14:50:15,305 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 14:50:15,305 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 14:50:15,306 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 14:50:15,306 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 14:50:15,306 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 14:50:15,306 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 14:50:15,306 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 14:50:15,307 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 14:50:15,307 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 14:50:15,307 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 14:50:15,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 14:50:15,308 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 14:50:15,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 14:50:15,308 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 14:50:15,308 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 14:50:15,309 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 14:50:15,309 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 14:50:15,309 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 14:50:15,309 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 14:50:15,309 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 14:50:15,310 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 14:50:15,310 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 14:50:15,310 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 14:50:15,310 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 14:50:15,310 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 14:50:15,311 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 14:50:15,311 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 14:50:15,311 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 14:50:15,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 14:50:15,311 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 14:50:15,311 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 14:50:15,312 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 14:50:15,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 14:50:15,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 14:50:15,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 14:50:15,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 14:50:15,391 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 14:50:15,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label17_true-unreach-call.c [2018-07-24 14:50:15,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d974df243/06e5caba95d949fd96b8be47c457e1bc/FLAG2f6b7a8db [2018-07-24 14:50:16,114 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 14:50:16,114 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label17_true-unreach-call.c [2018-07-24 14:50:16,147 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d974df243/06e5caba95d949fd96b8be47c457e1bc/FLAG2f6b7a8db [2018-07-24 14:50:16,166 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d974df243/06e5caba95d949fd96b8be47c457e1bc [2018-07-24 14:50:16,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 14:50:16,183 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 14:50:16,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 14:50:16,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 14:50:16,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 14:50:16,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:50:16" (1/1) ... [2018-07-24 14:50:16,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8b2370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:16, skipping insertion in model container [2018-07-24 14:50:16,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:50:16" (1/1) ... [2018-07-24 14:50:16,529 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 14:50:17,380 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:50:17,397 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 14:50:17,907 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:50:18,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18 WrapperNode [2018-07-24 14:50:18,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 14:50:18,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 14:50:18,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 14:50:18,142 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 14:50:18,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (1/1) ... [2018-07-24 14:50:18,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (1/1) ... [2018-07-24 14:50:18,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 14:50:18,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 14:50:18,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 14:50:18,412 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 14:50:18,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (1/1) ... [2018-07-24 14:50:18,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (1/1) ... [2018-07-24 14:50:18,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (1/1) ... [2018-07-24 14:50:19,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (1/1) ... [2018-07-24 14:50:19,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (1/1) ... [2018-07-24 14:50:19,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (1/1) ... [2018-07-24 14:50:19,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (1/1) ... [2018-07-24 14:50:19,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 14:50:19,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 14:50:19,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 14:50:19,223 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 14:50:19,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (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 14:50:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 14:50:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 14:50:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 14:50:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 14:50:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 14:50:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 14:50:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 14:50:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 14:50:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 14:50:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 14:50:28,129 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 14:50:28,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:50:28 BoogieIcfgContainer [2018-07-24 14:50:28,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 14:50:28,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 14:50:28,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 14:50:28,135 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 14:50:28,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 02:50:16" (1/3) ... [2018-07-24 14:50:28,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b8b5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:50:28, skipping insertion in model container [2018-07-24 14:50:28,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:50:18" (2/3) ... [2018-07-24 14:50:28,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b8b5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:50:28, skipping insertion in model container [2018-07-24 14:50:28,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:50:28" (3/3) ... [2018-07-24 14:50:28,139 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label17_true-unreach-call.c [2018-07-24 14:50:28,149 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 14:50:28,158 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 14:50:28,222 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 14:50:28,223 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 14:50:28,223 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 14:50:28,223 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 14:50:28,223 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 14:50:28,224 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 14:50:28,224 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 14:50:28,224 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 14:50:28,224 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 14:50:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-07-24 14:50:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-07-24 14:50:28,268 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:50:28,269 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:50:28,270 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:50:28,275 INFO L82 PathProgramCache]: Analyzing trace with hash 455710569, now seen corresponding path program 1 times [2018-07-24 14:50:28,278 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:50:28,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:50:28,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:50:28,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:50:28,325 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:50:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:50:28,773 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-07-24 14:50:28,785 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 14:50:28,788 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:50:28,788 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 14:50:28,789 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:50:28,795 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 14:50:28,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 14:50:28,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:50:28,816 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-07-24 14:50:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:50:38,817 INFO L93 Difference]: Finished difference Result 2133 states and 3959 transitions. [2018-07-24 14:50:38,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 14:50:38,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-07-24 14:50:38,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:50:38,852 INFO L225 Difference]: With dead ends: 2133 [2018-07-24 14:50:38,852 INFO L226 Difference]: Without dead ends: 1523 [2018-07-24 14:50:38,863 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:50:38,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2018-07-24 14:50:39,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1516. [2018-07-24 14:50:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2018-07-24 14:50:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 2287 transitions. [2018-07-24 14:50:39,020 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 2287 transitions. Word has length 45 [2018-07-24 14:50:39,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:50:39,021 INFO L471 AbstractCegarLoop]: Abstraction has 1516 states and 2287 transitions. [2018-07-24 14:50:39,021 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 14:50:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2287 transitions. [2018-07-24 14:50:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-24 14:50:39,032 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:50:39,035 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:39,035 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:50:39,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1131469433, now seen corresponding path program 1 times [2018-07-24 14:50:39,036 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:50:39,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:50:39,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:50:39,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:50:39,039 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:50:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:50:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:50:39,530 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:50:39,531 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 14:50:39,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:50:39,546 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:50:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:50:39,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:50:46,304 WARN L169 SmtUtils]: Spent 6.27 s on a formula simplification that was a NOOP. DAG size: 42 [2018-07-24 14:50:46,390 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:50:46,390 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:50:47,364 WARN L169 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-07-24 14:50:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:50:47,807 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 14:50:47,808 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-07-24 14:50:47,808 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:50:47,812 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 14:50:47,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 14:50:47,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-07-24 14:50:47,813 INFO L87 Difference]: Start difference. First operand 1516 states and 2287 transitions. Second operand 6 states. Received shutdown request... [2018-07-24 14:54:53,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-24 14:54:53,200 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 14:54:53,205 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 14:54:53,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 02:54:53 BoogieIcfgContainer [2018-07-24 14:54:53,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 14:54:53,206 INFO L168 Benchmark]: Toolchain (without parser) took 277027.30 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 2.3 GB in the end (delta: -858.0 MB). Peak memory consumption was 319.1 MB. Max. memory is 7.1 GB. [2018-07-24 14:54:53,209 INFO L168 Benchmark]: CDTParser took 0.25 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 14:54:53,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1957.31 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: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-07-24 14:54:53,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 269.19 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 14:54:53,211 INFO L168 Benchmark]: Boogie Preprocessor took 810.81 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 941.6 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 14:54:53,212 INFO L168 Benchmark]: RCFGBuilder took 8907.96 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: 496.6 MB). Peak memory consumption was 496.6 MB. Max. memory is 7.1 GB. [2018-07-24 14:54:53,213 INFO L168 Benchmark]: TraceAbstraction took 265074.33 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 235.4 MB). Free memory was 1.9 GB in the beginning and 2.3 GB in the end (delta: -410.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 14:54:53,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1957.31 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: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 269.19 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 810.81 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 941.6 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 8907.96 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: 496.6 MB). Peak memory consumption was 496.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 265074.33 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 235.4 MB). Free memory was 1.9 GB in the beginning and 2.3 GB in the end (delta: -410.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 122). Cancelled while BasicCegarLoop was constructing difference of abstraction (1516states) and interpolant automaton (currently 6 states, 6 states before enhancement), while ReachableStatesComputation was computing reachable states (2294 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 264.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 255.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 653 SDtfs, 2215 SDslu, 457 SDs, 0 SdLazy, 4680 SolverSat, 1158 SolverUnsat, 116 SolverUnknown, 0 SolverNotchecked, 252.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 239 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1516occurred in iteration=1, 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 401 ConstructedInterpolants, 80 QuantifiedInterpolants, 437721 SizeOfPredicates, 3 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 42/114 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_label17_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_14-54-53-241.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label17_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_14-54-53-241.csv Completed graceful shutdown