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_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 13:06:52,264 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 13:06:52,267 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 13:06:52,287 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 13:06:52,287 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 13:06:52,288 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 13:06:52,290 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 13:06:52,292 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 13:06:52,300 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 13:06:52,301 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 13:06:52,302 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 13:06:52,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 13:06:52,309 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 13:06:52,310 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 13:06:52,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 13:06:52,314 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 13:06:52,315 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 13:06:52,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 13:06:52,323 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 13:06:52,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 13:06:52,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 13:06:52,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 13:06:52,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 13:06:52,337 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 13:06:52,337 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 13:06:52,338 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 13:06:52,340 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 13:06:52,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 13:06:52,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 13:06:52,345 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 13:06:52,346 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 13:06:52,346 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 13:06:52,347 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 13:06:52,347 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 13:06:52,348 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 13:06:52,349 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 13:06:52,349 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-15 13:06:52,364 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 13:06:52,364 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 13:06:52,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 13:06:52,367 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 13:06:52,367 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 13:06:52,368 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 13:06:52,368 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 13:06:52,368 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 13:06:52,368 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 13:06:52,369 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-15 13:06:52,369 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 13:06:52,369 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 13:06:52,370 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 13:06:52,370 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 13:06:52,370 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 13:06:52,371 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 13:06:52,372 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 13:06:52,372 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 13:06:52,372 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 13:06:52,372 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 13:06:52,373 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 13:06:52,374 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 13:06:52,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 13:06:52,374 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 13:06:52,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 13:06:52,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 13:06:52,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 13:06:52,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 13:06:52,375 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 13:06:52,376 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 13:06:52,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 13:06:52,376 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 13:06:52,376 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 13:06:52,377 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 13:06:52,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 13:06:52,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 13:06:52,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 13:06:52,473 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 13:06:52,474 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 13:06:52,475 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-09-15 13:06:52,872 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/021870b23/51696050d122420085fe5f9a1b54fb88/FLAG6b88d5225 [2018-09-15 13:06:53,041 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 13:06:53,042 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-09-15 13:06:53,049 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/021870b23/51696050d122420085fe5f9a1b54fb88/FLAG6b88d5225 [2018-09-15 13:06:53,064 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/021870b23/51696050d122420085fe5f9a1b54fb88 [2018-09-15 13:06:53,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 13:06:53,077 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 13:06:53,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 13:06:53,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 13:06:53,085 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 13:06:53,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d602434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53, skipping insertion in model container [2018-09-15 13:06:53,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,102 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 13:06:53,298 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 13:06:53,316 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 13:06:53,328 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 13:06:53,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53 WrapperNode [2018-09-15 13:06:53,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 13:06:53,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 13:06:53,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 13:06:53,343 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 13:06:53,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 13:06:53,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 13:06:53,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 13:06:53,368 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 13:06:53,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (1/1) ... [2018-09-15 13:06:53,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 13:06:53,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 13:06:53,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 13:06:53,403 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 13:06:53,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (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 13:06:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 13:06:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 13:06:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 13:06:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 13:06:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 13:06:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 13:06:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-15 13:06:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-15 13:06:54,046 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 13:06:54,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:06:54 BoogieIcfgContainer [2018-09-15 13:06:54,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 13:06:54,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 13:06:54,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 13:06:54,051 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 13:06:54,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:06:53" (1/3) ... [2018-09-15 13:06:54,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0fa167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:06:54, skipping insertion in model container [2018-09-15 13:06:54,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:53" (2/3) ... [2018-09-15 13:06:54,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0fa167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:06:54, skipping insertion in model container [2018-09-15 13:06:54,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:06:54" (3/3) ... [2018-09-15 13:06:54,055 INFO L112 eAbstractionObserver]: Analyzing ICFG MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-09-15 13:06:54,066 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 13:06:54,075 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 13:06:54,122 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 13:06:54,123 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 13:06:54,123 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 13:06:54,123 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 13:06:54,123 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 13:06:54,124 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 13:06:54,124 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 13:06:54,124 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 13:06:54,124 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 13:06:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-09-15 13:06:54,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-15 13:06:54,148 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 13:06:54,149 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 13:06:54,150 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 13:06:54,156 INFO L82 PathProgramCache]: Analyzing trace with hash 802506358, now seen corresponding path program 1 times [2018-09-15 13:06:54,159 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 13:06:54,160 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-15 13:06:54,162 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [19], [25], [31], [39], [44], [48], [53], [63], [66], [68], [74], [75], [76], [78] [2018-09-15 13:06:54,199 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 13:06:54,199 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 13:06:54,286 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-15 13:06:54,289 INFO L272 AbstractInterpreter]: Visited 19 different actions 19 times. Never merged. Never widened. Never found a fixpoint. Largest state had 9 variables. [2018-09-15 13:06:54,305 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-15 13:06:54,328 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-15 13:06:54,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 01:06:54 BoogieIcfgContainer [2018-09-15 13:06:54,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 13:06:54,330 INFO L168 Benchmark]: Toolchain (without parser) took 1255.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -745.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 13:06:54,333 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 13:06:54,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-15 13:06:54,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.35 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 13:06:54,335 INFO L168 Benchmark]: Boogie Preprocessor took 34.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 13:06:54,336 INFO L168 Benchmark]: RCFGBuilder took 644.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-09-15 13:06:54,337 INFO L168 Benchmark]: TraceAbstraction took 281.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2018-09-15 13:06:54,341 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.35 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 644.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 281.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L12] int p; [L13] int i; [L14] int leader_len; [L15] int bufsize; [L16] int bufsize_0; [L17] int ielen; [L18] leader_len = __VERIFIER_nondet_int() [L19] bufsize = __VERIFIER_nondet_int() [L20] ielen = __VERIFIER_nondet_int() [L21] COND FALSE !(!(leader_len < 1000000)) [L22] COND FALSE !(!(bufsize < 1000000)) [L23] COND FALSE !(!(ielen < 1000000)) [L24] COND TRUE leader_len >0 [L25] COND TRUE bufsize >0 [L26] COND TRUE ielen >0 [L27] COND FALSE !(bufsize < leader_len) [L29] p = 0 [L30] bufsize_0 = bufsize [L31] bufsize -= leader_len [L32] p += leader_len [L33] COND FALSE !(bufsize < 2*ielen) [L35] i = 0 [L35] COND TRUE i < ielen && bufsize > 2 [L36] CALL __VERIFIER_assert(0<=p) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 29 locations, 1 error locations. UNKNOWN Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, 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: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_13-06-54-355.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_13-06-54-355.csv Received shutdown request...