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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/terminator_03_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 01:29:01,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 01:29:01,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 01:29:01,306 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 01:29:01,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 01:29:01,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 01:29:01,309 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 01:29:01,311 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 01:29:01,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 01:29:01,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 01:29:01,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 01:29:01,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 01:29:01,316 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 01:29:01,317 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 01:29:01,319 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 01:29:01,320 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 01:29:01,321 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 01:29:01,323 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 01:29:01,325 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 01:29:01,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 01:29:01,328 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 01:29:01,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 01:29:01,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 01:29:01,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 01:29:01,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 01:29:01,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 01:29:01,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 01:29:01,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 01:29:01,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 01:29:01,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 01:29:01,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 01:29:01,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 01:29:01,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 01:29:01,346 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 01:29:01,349 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 01:29:01,350 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 01:29:01,350 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-19 01:29:01,384 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 01:29:01,384 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 01:29:01,387 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 01:29:01,390 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 01:29:01,391 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 01:29:01,391 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 01:29:01,391 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 01:29:01,391 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 01:29:01,392 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 01:29:01,392 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 01:29:01,392 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 01:29:01,392 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 01:29:01,393 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 01:29:01,393 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 01:29:01,393 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 01:29:01,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 01:29:01,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 01:29:01,394 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 01:29:01,394 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 01:29:01,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 01:29:01,395 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 01:29:01,395 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 01:29:01,395 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 01:29:01,395 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 01:29:01,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 01:29:01,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 01:29:01,396 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 01:29:01,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 01:29:01,396 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 01:29:01,397 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 01:29:01,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 01:29:01,397 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 01:29:01,397 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 01:29:01,397 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 01:29:01,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 01:29:01,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 01:29:01,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 01:29:01,486 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 01:29:01,487 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 01:29:01,487 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03_true-unreach-call_true-termination.i [2018-09-19 01:29:01,821 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5859eb35c/01d410ccf26b4ae2af42868cc1f744f8/FLAGe1b1e9eaa [2018-09-19 01:29:01,981 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 01:29:01,981 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03_true-unreach-call_true-termination.i [2018-09-19 01:29:01,987 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5859eb35c/01d410ccf26b4ae2af42868cc1f744f8/FLAGe1b1e9eaa [2018-09-19 01:29:02,005 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5859eb35c/01d410ccf26b4ae2af42868cc1f744f8 [2018-09-19 01:29:02,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 01:29:02,019 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 01:29:02,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 01:29:02,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 01:29:02,028 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 01:29:02,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108b7f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02, skipping insertion in model container [2018-09-19 01:29:02,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,045 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 01:29:02,304 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:29:02,323 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 01:29:02,328 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:29:02,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02 WrapperNode [2018-09-19 01:29:02,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 01:29:02,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 01:29:02,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 01:29:02,343 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 01:29:02,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 01:29:02,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 01:29:02,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 01:29:02,369 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 01:29:02,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (1/1) ... [2018-09-19 01:29:02,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 01:29:02,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 01:29:02,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 01:29:02,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 01:29:02,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (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 [2018-09-19 01:29:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 01:29:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 01:29:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 01:29:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 01:29:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 01:29:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 01:29:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 01:29:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 01:29:02,786 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 01:29:02,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:29:02 BoogieIcfgContainer [2018-09-19 01:29:02,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 01:29:02,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 01:29:02,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 01:29:02,792 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 01:29:02,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 01:29:02" (1/3) ... [2018-09-19 01:29:02,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a76c98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:29:02, skipping insertion in model container [2018-09-19 01:29:02,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:02" (2/3) ... [2018-09-19 01:29:02,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a76c98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:29:02, skipping insertion in model container [2018-09-19 01:29:02,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:29:02" (3/3) ... [2018-09-19 01:29:02,798 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_03_true-unreach-call_true-termination.i [2018-09-19 01:29:02,819 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 01:29:02,847 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 01:29:02,928 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 01:29:02,928 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 01:29:02,929 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 01:29:02,929 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 01:29:02,929 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 01:29:02,929 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 01:29:02,929 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 01:29:02,931 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 01:29:02,931 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 01:29:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-09-19 01:29:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-19 01:29:02,963 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:29:02,965 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:29:02,966 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:29:02,971 INFO L82 PathProgramCache]: Analyzing trace with hash 439143249, now seen corresponding path program 1 times [2018-09-19 01:29:02,974 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:29:02,975 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 12 with the following transitions: [2018-09-19 01:29:02,977 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [26], [31], [34], [36], [42], [43], [44], [46] [2018-09-19 01:29:03,034 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:29:03,034 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:29:03,168 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:29:03,170 INFO L272 AbstractInterpreter]: Visited 10 different actions 10 times. Never merged. Never widened. Never found a fixpoint. Largest state had 4 variables. [2018-09-19 01:29:03,191 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:29:03,289 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 50% of their original sizes. [2018-09-19 01:29:03,289 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:29:03,459 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:29:03,461 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:29:03,461 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-19 01:29:03,461 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:29:03,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-19 01:29:03,471 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-19 01:29:03,472 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-19 01:29:03,474 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 7 states. [2018-09-19 01:29:03,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:29:03,723 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2018-09-19 01:29:03,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-19 01:29:03,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2018-09-19 01:29:03,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:29:03,733 INFO L225 Difference]: With dead ends: 49 [2018-09-19 01:29:03,734 INFO L226 Difference]: Without dead ends: 17 [2018-09-19 01:29:03,737 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-19 01:29:03,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-09-19 01:29:03,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2018-09-19 01:29:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-09-19 01:29:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-09-19 01:29:03,772 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-09-19 01:29:03,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:29:03,773 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-09-19 01:29:03,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-19 01:29:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-09-19 01:29:03,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-19 01:29:03,774 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:29:03,774 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:29:03,775 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:29:03,775 INFO L82 PathProgramCache]: Analyzing trace with hash -216018202, now seen corresponding path program 1 times [2018-09-19 01:29:03,775 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:29:03,776 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-19 01:29:03,776 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [15], [19], [31], [34], [36], [42], [43], [44], [46] [2018-09-19 01:29:03,778 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:29:03,778 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:29:03,788 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:29:03,788 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 4 variables. [2018-09-19 01:29:03,818 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:29:03,847 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 50% of their original sizes. [2018-09-19 01:29:03,847 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:29:04,087 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:29:04,088 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:29:04,088 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-19 01:29:04,088 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:29:04,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-19 01:29:04,089 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-19 01:29:04,090 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-19 01:29:04,090 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 8 states. [2018-09-19 01:29:04,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:29:04,314 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-09-19 01:29:04,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-19 01:29:04,314 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2018-09-19 01:29:04,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:29:04,314 INFO L225 Difference]: With dead ends: 14 [2018-09-19 01:29:04,315 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 01:29:04,317 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-09-19 01:29:04,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 01:29:04,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 01:29:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 01:29:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 01:29:04,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-09-19 01:29:04,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:29:04,319 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 01:29:04,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-19 01:29:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 01:29:04,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 01:29:04,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 01:29:04,704 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2018-09-19 01:29:04,708 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-19 01:29:04,709 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 01:29:04,709 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 01:29:04,709 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 01:29:04,709 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 01:29:04,710 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 01:29:04,710 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 11 22) the Hoare annotation is: true [2018-09-19 01:29:04,710 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 11 22) no Hoare annotation was computed. [2018-09-19 01:29:04,710 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-19 01:29:04,710 INFO L426 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. [2018-09-19 01:29:04,710 INFO L426 ceAbstractionStarter]: For program point L16-1(lines 16 18) no Hoare annotation was computed. [2018-09-19 01:29:04,711 INFO L426 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-09-19 01:29:04,711 INFO L422 ceAbstractionStarter]: At program point L15-1(lines 15 19) the Hoare annotation is: (let ((.cse1 (* 2 main_~x~0))) (let ((.cse0 (* 2 main_~y~0)) (.cse2 (<= .cse1 4294967294))) (or (and (<= .cse0 0) (<= 0 (+ .cse1 4294967296)) (<= 0 (+ .cse0 4294967296)) .cse2) (and (<= .cse0 2000000) (<= main_~x~0 (+ main_~y~0 2147483646)) .cse2 (<= 200 .cse1))))) [2018-09-19 01:29:04,711 INFO L422 ceAbstractionStarter]: At program point L16-3(lines 16 18) the Hoare annotation is: (let ((.cse1 (* 2 main_~y~0)) (.cse0 (* 2 main_~x~0))) (and (<= 0 (+ .cse0 4294967296)) (<= .cse1 2000000) (<= 2 .cse1) (<= .cse0 4294967294))) [2018-09-19 01:29:04,712 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 11 22) no Hoare annotation was computed. [2018-09-19 01:29:04,712 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-09-19 01:29:04,712 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-19 01:29:04,712 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-09-19 01:29:04,713 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-19 01:29:04,713 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-19 01:29:04,714 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-19 01:29:04,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 01:29:04 BoogieIcfgContainer [2018-09-19 01:29:04,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 01:29:04,730 INFO L168 Benchmark]: Toolchain (without parser) took 2713.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -704.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2018-09-19 01:29:04,733 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-19 01:29:04,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.84 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. [2018-09-19 01:29:04,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.27 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. [2018-09-19 01:29:04,736 INFO L168 Benchmark]: Boogie Preprocessor took 21.80 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. [2018-09-19 01:29:04,737 INFO L168 Benchmark]: RCFGBuilder took 397.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-19 01:29:04,738 INFO L168 Benchmark]: TraceAbstraction took 1939.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2018-09-19 01:29:04,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 321.84 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 25.27 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 21.80 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 397.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1939.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ((0 <= 2 * x + 4294967296 && 2 * y <= 2000000) && 2 <= 2 * y) && 2 * x <= 4294967294 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 25 SDtfs, 30 SDslu, 78 SDs, 0 SdLazy, 57 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9318181818181818 AbsIntWeakeningRatio, 0.36363636363636365 AbsIntAvgWeakeningVarsNumRemoved, 0.5454545454545454 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 75 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 74 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/terminator_03_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_01-29-04-769.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/terminator_03_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_01-29-04-769.csv Received shutdown request...