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/loop-invgen/NetBSD_loop_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 21:03:50,358 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 21:03:50,360 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 21:03:50,376 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 21:03:50,376 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 21:03:50,378 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 21:03:50,380 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 21:03:50,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 21:03:50,385 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 21:03:50,387 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 21:03:50,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 21:03:50,390 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 21:03:50,392 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 21:03:50,393 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 21:03:50,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 21:03:50,397 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 21:03:50,398 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 21:03:50,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 21:03:50,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 21:03:50,404 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 21:03:50,405 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 21:03:50,406 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 21:03:50,409 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 21:03:50,409 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 21:03:50,409 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 21:03:50,410 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 21:03:50,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 21:03:50,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 21:03:50,414 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 21:03:50,415 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 21:03:50,415 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 21:03:50,416 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 21:03:50,416 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 21:03:50,416 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 21:03:50,417 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 21:03:50,418 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 21:03:50,419 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 21:03:50,435 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 21:03:50,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 21:03:50,436 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 21:03:50,436 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 21:03:50,436 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 21:03:50,436 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 21:03:50,437 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 21:03:50,437 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 21:03:50,437 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 21:03:50,437 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 21:03:50,437 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 21:03:50,438 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 21:03:50,438 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 21:03:50,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 21:03:50,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 21:03:50,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 21:03:50,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 21:03:50,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 21:03:50,440 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 21:03:50,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 21:03:50,440 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 21:03:50,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 21:03:50,440 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 21:03:50,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 21:03:50,441 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 21:03:50,441 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 21:03:50,441 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 21:03:50,441 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 21:03:50,442 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 21:03:50,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 21:03:50,442 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 21:03:50,442 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 21:03:50,442 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 21:03:50,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 21:03:50,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 21:03:50,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 21:03:50,512 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 21:03:50,512 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 21:03:50,513 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop_true-unreach-call_true-termination.i [2018-09-15 21:03:50,872 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/602123eef/0bf9fbe23ad5429080e81ed8f97249c2/FLAGe9d8eb876 [2018-09-15 21:03:50,995 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 21:03:50,995 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/NetBSD_loop_true-unreach-call_true-termination.i [2018-09-15 21:03:51,001 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/602123eef/0bf9fbe23ad5429080e81ed8f97249c2/FLAGe9d8eb876 [2018-09-15 21:03:51,018 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/602123eef/0bf9fbe23ad5429080e81ed8f97249c2 [2018-09-15 21:03:51,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 21:03:51,037 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 21:03:51,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 21:03:51,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 21:03:51,046 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 21:03:51,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca9212d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51, skipping insertion in model container [2018-09-15 21:03:51,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,063 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 21:03:51,310 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 21:03:51,331 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 21:03:51,339 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 21:03:51,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51 WrapperNode [2018-09-15 21:03:51,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 21:03:51,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 21:03:51,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 21:03:51,358 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 21:03:51,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 21:03:51,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 21:03:51,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 21:03:51,385 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 21:03:51,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (1/1) ... [2018-09-15 21:03:51,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 21:03:51,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 21:03:51,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 21:03:51,410 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 21:03:51,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (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 21:03:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 21:03:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 21:03:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 21:03:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 21:03:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 21:03:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 21:03:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-15 21:03:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-15 21:03:51,821 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 21:03:51,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:03:51 BoogieIcfgContainer [2018-09-15 21:03:51,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 21:03:51,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 21:03:51,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 21:03:51,838 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 21:03:51,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 09:03:51" (1/3) ... [2018-09-15 21:03:51,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c1f819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:03:51, skipping insertion in model container [2018-09-15 21:03:51,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:51" (2/3) ... [2018-09-15 21:03:51,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c1f819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:03:51, skipping insertion in model container [2018-09-15 21:03:51,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:03:51" (3/3) ... [2018-09-15 21:03:51,842 INFO L112 eAbstractionObserver]: Analyzing ICFG NetBSD_loop_true-unreach-call_true-termination.i [2018-09-15 21:03:51,868 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 21:03:51,876 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 21:03:51,942 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 21:03:51,943 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 21:03:51,943 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 21:03:51,943 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 21:03:51,943 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 21:03:51,943 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 21:03:51,944 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 21:03:51,944 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 21:03:51,944 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 21:03:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-15 21:03:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-15 21:03:51,969 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:03:51,970 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 21:03:51,971 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:03:51,977 INFO L82 PathProgramCache]: Analyzing trace with hash 328932071, now seen corresponding path program 1 times [2018-09-15 21:03:51,980 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:03:51,981 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-15 21:03:51,983 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [11], [15], [20], [30], [33], [35], [41], [42], [43], [45] [2018-09-15 21:03:52,026 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 21:03:52,026 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:03:52,121 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-15 21:03:52,122 INFO L272 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 7 variables. [2018-09-15 21:03:52,149 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-15 21:03:52,167 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-15 21:03:52,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 09:03:52 BoogieIcfgContainer [2018-09-15 21:03:52,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 21:03:52,168 INFO L168 Benchmark]: Toolchain (without parser) took 1134.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -744.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 21:03:52,171 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 21:03:52,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.15 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 21:03:52,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.01 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 21:03:52,173 INFO L168 Benchmark]: Boogie Preprocessor took 24.69 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 21:03:52,174 INFO L168 Benchmark]: RCFGBuilder took 412.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-09-15 21:03:52,177 INFO L168 Benchmark]: TraceAbstraction took 336.15 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: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2018-09-15 21:03:52,182 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 319.15 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 26.01 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 24.69 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 412.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 336.15 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: 22.2 MB). Peak memory consumption was 22.2 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 MAXPATHLEN; [L13] int pathbuf_off; [L14] int bound_off; [L15] int glob2_p_off; [L16] int glob2_pathbuf_off; [L17] int glob2_pathlim_off; [L18] MAXPATHLEN = __VERIFIER_nondet_int() [L19] COND TRUE MAXPATHLEN > 0 && MAXPATHLEN < 2147483647 [L20] pathbuf_off = 0 [L21] bound_off = pathbuf_off + (MAXPATHLEN + 1) - 1 [L22] glob2_pathbuf_off = pathbuf_off [L23] glob2_pathlim_off = bound_off [L24] glob2_p_off = glob2_pathbuf_off [L25] COND TRUE glob2_p_off <= glob2_pathlim_off [L27] CALL __VERIFIER_assert (0 <= glob2_p_off ) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 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=23occurred 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/NetBSD_loop_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_21-03-52-194.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/NetBSD_loop_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_21-03-52-194.csv Received shutdown request...