java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label59_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 23:18:05,216 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 23:18:05,218 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 23:18:05,232 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 23:18:05,233 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 23:18:05,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 23:18:05,236 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 23:18:05,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 23:18:05,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 23:18:05,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 23:18:05,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 23:18:05,241 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 23:18:05,242 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 23:18:05,243 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 23:18:05,244 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 23:18:05,245 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 23:18:05,246 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 23:18:05,248 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 23:18:05,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 23:18:05,251 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 23:18:05,252 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 23:18:05,253 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 23:18:05,256 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 23:18:05,256 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 23:18:05,256 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 23:18:05,257 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 23:18:05,258 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 23:18:05,259 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 23:18:05,260 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 23:18:05,261 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 23:18:05,261 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 23:18:05,262 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 23:18:05,262 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 23:18:05,262 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 23:18:05,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 23:18:05,264 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 23:18:05,265 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-15 23:18:05,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 23:18:05,284 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 23:18:05,285 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 23:18:05,285 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 23:18:05,285 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 23:18:05,285 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 23:18:05,286 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 23:18:05,286 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 23:18:05,287 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 23:18:05,287 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 23:18:05,287 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 23:18:05,288 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 23:18:05,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 23:18:05,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 23:18:05,288 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 23:18:05,288 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 23:18:05,289 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 23:18:05,289 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 23:18:05,289 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 23:18:05,289 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 23:18:05,289 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 23:18:05,290 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 23:18:05,290 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 23:18:05,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 23:18:05,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 23:18:05,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 23:18:05,291 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 23:18:05,291 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 23:18:05,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 23:18:05,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 23:18:05,291 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 23:18:05,291 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 23:18:05,292 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 23:18:05,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 23:18:05,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 23:18:05,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 23:18:05,361 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 23:18:05,361 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 23:18:05,362 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label59_true-unreach-call.c [2018-09-15 23:18:05,714 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4bc356d6/fcdf8147cd2245e0ab68d12447c5d7ae/FLAGbb8f727fc [2018-09-15 23:18:06,213 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 23:18:06,214 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label59_true-unreach-call.c [2018-09-15 23:18:06,234 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4bc356d6/fcdf8147cd2245e0ab68d12447c5d7ae/FLAGbb8f727fc [2018-09-15 23:18:06,250 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4bc356d6/fcdf8147cd2245e0ab68d12447c5d7ae [2018-09-15 23:18:06,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 23:18:06,265 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 23:18:06,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 23:18:06,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 23:18:06,274 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 23:18:06,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:18:06" (1/1) ... [2018-09-15 23:18:06,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7044f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:06, skipping insertion in model container [2018-09-15 23:18:06,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:18:06" (1/1) ... [2018-09-15 23:18:06,290 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 23:18:07,029 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 23:18:07,049 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 23:18:07,279 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 23:18:07,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07 WrapperNode [2018-09-15 23:18:07,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 23:18:07,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 23:18:07,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 23:18:07,373 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 23:18:07,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (1/1) ... [2018-09-15 23:18:07,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (1/1) ... [2018-09-15 23:18:07,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 23:18:07,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 23:18:07,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 23:18:07,567 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 23:18:07,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (1/1) ... [2018-09-15 23:18:07,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (1/1) ... [2018-09-15 23:18:07,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (1/1) ... [2018-09-15 23:18:07,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (1/1) ... [2018-09-15 23:18:08,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (1/1) ... [2018-09-15 23:18:08,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (1/1) ... [2018-09-15 23:18:08,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (1/1) ... [2018-09-15 23:18:08,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 23:18:08,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 23:18:08,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 23:18:08,080 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 23:18:08,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (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 [2018-09-15 23:18:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 23:18:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 23:18:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 23:18:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 23:18:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 23:18:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 23:18:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 23:18:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 23:18:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 23:18:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 23:18:15,159 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 23:18:15,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:18:15 BoogieIcfgContainer [2018-09-15 23:18:15,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 23:18:15,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 23:18:15,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 23:18:15,165 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 23:18:15,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:18:06" (1/3) ... [2018-09-15 23:18:15,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efd2919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:18:15, skipping insertion in model container [2018-09-15 23:18:15,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:18:07" (2/3) ... [2018-09-15 23:18:15,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efd2919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:18:15, skipping insertion in model container [2018-09-15 23:18:15,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:18:15" (3/3) ... [2018-09-15 23:18:15,171 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label59_true-unreach-call.c [2018-09-15 23:18:15,186 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 23:18:15,199 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 23:18:15,271 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 23:18:15,272 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 23:18:15,273 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 23:18:15,273 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 23:18:15,273 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 23:18:15,273 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 23:18:15,273 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 23:18:15,274 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 23:18:15,274 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 23:18:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-09-15 23:18:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-15 23:18:15,332 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:18:15,333 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 23:18:15,335 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:18:15,340 INFO L82 PathProgramCache]: Analyzing trace with hash 371317715, now seen corresponding path program 1 times [2018-09-15 23:18:15,342 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:18:15,343 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 52 with the following transitions: [2018-09-15 23:18:15,346 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [1556], [1560], [1566], [1570], [1579], [1580], [1581], [1583] [2018-09-15 23:18:15,394 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:18:15,395 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:18:16,394 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:18:16,395 INFO L272 AbstractInterpreter]: Visited 50 different actions 50 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 23:18:16,432 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:18:17,198 INFO L232 lantSequenceWeakener]: Weakened 48 states. On average, predicates are now at 80.07% of their original sizes. [2018-09-15 23:18:17,198 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:18:17,433 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:18:17,435 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:18:17,435 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 23:18:17,435 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:18:17,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 23:18:17,448 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 23:18:17,449 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 23:18:17,452 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 6 states. [2018-09-15 23:18:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:18:22,205 INFO L93 Difference]: Finished difference Result 1158 states and 2145 transitions. [2018-09-15 23:18:22,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 23:18:22,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-09-15 23:18:22,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:18:22,232 INFO L225 Difference]: With dead ends: 1158 [2018-09-15 23:18:22,232 INFO L226 Difference]: Without dead ends: 746 [2018-09-15 23:18:22,241 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 23:18:22,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-09-15 23:18:22,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 744. [2018-09-15 23:18:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-09-15 23:18:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1075 transitions. [2018-09-15 23:18:22,335 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1075 transitions. Word has length 51 [2018-09-15 23:18:22,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:18:22,336 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1075 transitions. [2018-09-15 23:18:22,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 23:18:22,336 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1075 transitions. [2018-09-15 23:18:22,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-15 23:18:22,348 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:18:22,348 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 23:18:22,349 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:18:22,349 INFO L82 PathProgramCache]: Analyzing trace with hash 2054227824, now seen corresponding path program 1 times [2018-09-15 23:18:22,349 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:18:22,350 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-09-15 23:18:22,351 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 23:18:22,365 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:18:22,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:18:27,991 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 23:18:33,290 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:18:33,292 INFO L272 AbstractInterpreter]: Visited 99 different actions 191 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 23:18:33,311 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:18:40,005 INFO L232 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 78.32% of their original sizes. [2018-09-15 23:18:40,006 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:18:40,303 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:18:40,304 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:18:40,304 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 23:18:40,304 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:18:40,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 23:18:40,307 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 23:18:40,308 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 23:18:40,308 INFO L87 Difference]: Start difference. First operand 744 states and 1075 transitions. Second operand 11 states. [2018-09-15 23:18:52,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:18:52,916 INFO L93 Difference]: Finished difference Result 1826 states and 3140 transitions. [2018-09-15 23:18:52,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 23:18:52,923 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 143 [2018-09-15 23:18:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:18:52,937 INFO L225 Difference]: With dead ends: 1826 [2018-09-15 23:18:52,938 INFO L226 Difference]: Without dead ends: 1426 [2018-09-15 23:18:52,944 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 23:18:52,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-09-15 23:18:53,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1423. [2018-09-15 23:18:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2018-09-15 23:18:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1772 transitions. [2018-09-15 23:18:53,034 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1772 transitions. Word has length 143 [2018-09-15 23:18:53,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:18:53,035 INFO L480 AbstractCegarLoop]: Abstraction has 1423 states and 1772 transitions. [2018-09-15 23:18:53,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 23:18:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1772 transitions. [2018-09-15 23:18:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-09-15 23:18:53,040 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:18:53,041 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 23:18:53,041 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:18:53,042 INFO L82 PathProgramCache]: Analyzing trace with hash 659158008, now seen corresponding path program 1 times [2018-09-15 23:18:53,042 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:18:53,043 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-09-15 23:18:53,044 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [904], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 23:18:53,059 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:18:53,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:19:48,484 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 23:20:59,096 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:20:59,096 INFO L272 AbstractInterpreter]: Visited 135 different actions 263 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 23:20:59,105 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-15 23:22:10,626 INFO L232 lantSequenceWeakener]: Weakened 176 states. On average, predicates are now at 78.11% of their original sizes. [2018-09-15 23:22:10,626 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:22:10,647 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 23:22:10,651 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 23:22:10,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:22:10 BoogieIcfgContainer [2018-09-15 23:22:10,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 23:22:10,652 INFO L168 Benchmark]: Toolchain (without parser) took 244389.61 ms. Allocated memory was 1.5 GB in the beginning and 5.4 GB in the end (delta: 3.9 GB). Free memory was 1.4 GB in the beginning and 3.8 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-15 23:22:10,655 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-15 23:22:10,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1105.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-09-15 23:22:10,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-15 23:22:10,657 INFO L168 Benchmark]: Boogie Preprocessor took 511.84 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 825.2 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -973.3 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2018-09-15 23:22:10,660 INFO L168 Benchmark]: RCFGBuilder took 7081.20 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 267.0 MB). Peak memory consumption was 267.0 MB. Max. memory is 7.1 GB. [2018-09-15 23:22:10,661 INFO L168 Benchmark]: TraceAbstraction took 235490.34 ms. Allocated memory was 2.4 GB in the beginning and 5.4 GB in the end (delta: 3.1 GB). Free memory was 2.0 GB in the beginning and 3.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-09-15 23:22:10,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1105.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 193.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 511.84 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 825.2 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -973.3 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7081.20 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 267.0 MB). Peak memory consumption was 267.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 235490.34 ms. Allocated memory was 2.4 GB in the beginning and 5.4 GB in the end (delta: 3.1 GB). Free memory was 2.0 GB in the beginning and 3.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 139). Cancelled while BasicCegarLoop was analyzing trace of length 180 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 235.3s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 17.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 809 SDtfs, 2266 SDslu, 576 SDs, 0 SdLazy, 6349 SolverSat, 934 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1423occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 138.1s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9970010072183987 AbsIntWeakeningRatio, 0.14594594594594595 AbsIntAvgWeakeningVarsNumRemoved, 8.075675675675676 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, 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/Problem16_label59_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_23-22-10-694.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label59_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_23-22-10-694.csv Completed graceful shutdown