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/heapsort_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 11:36:21,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 11:36:21,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 11:36:21,458 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 11:36:21,458 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 11:36:21,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 11:36:21,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 11:36:21,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 11:36:21,466 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 11:36:21,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 11:36:21,470 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 11:36:21,470 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 11:36:21,471 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 11:36:21,472 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 11:36:21,476 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 11:36:21,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 11:36:21,479 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 11:36:21,485 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 11:36:21,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 11:36:21,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 11:36:21,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 11:36:21,497 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 11:36:21,500 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 11:36:21,500 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 11:36:21,500 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 11:36:21,504 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 11:36:21,505 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 11:36:21,506 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 11:36:21,508 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 11:36:21,509 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 11:36:21,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 11:36:21,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 11:36:21,518 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 [2018-09-19 11:36:21,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 11:36:21,545 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 11:36:21,546 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 11:36:21,546 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 11:36:21,546 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 11:36:21,547 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 11:36:21,547 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 11:36:21,547 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 11:36:21,547 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 11:36:21,548 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 11:36:21,548 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 11:36:21,548 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 11:36:21,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 11:36:21,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 11:36:21,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 11:36:21,550 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 11:36:21,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 11:36:21,550 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 11:36:21,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 11:36:21,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 11:36:21,551 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 11:36:21,551 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 11:36:21,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 11:36:21,551 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 11:36:21,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 11:36:21,552 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 11:36:21,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 11:36:21,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 11:36:21,552 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 11:36:21,553 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 11:36:21,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 11:36:21,553 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 11:36:21,553 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 11:36:21,553 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 11:36:21,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 11:36:21,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 11:36:21,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 11:36:21,643 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 11:36:21,643 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 11:36:21,644 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-09-19 11:36:21,998 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e4bc3c2/ebf40d3fcf434f458602b06eda7d4bc7/FLAG37493d5da [2018-09-19 11:36:22,146 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 11:36:22,146 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-09-19 11:36:22,152 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e4bc3c2/ebf40d3fcf434f458602b06eda7d4bc7/FLAG37493d5da [2018-09-19 11:36:22,169 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e4bc3c2/ebf40d3fcf434f458602b06eda7d4bc7 [2018-09-19 11:36:22,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 11:36:22,186 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 11:36:22,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 11:36:22,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 11:36:22,196 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 11:36:22,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e67dbc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22, skipping insertion in model container [2018-09-19 11:36:22,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,212 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 11:36:22,402 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 11:36:22,419 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 11:36:22,430 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 11:36:22,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22 WrapperNode [2018-09-19 11:36:22,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 11:36:22,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 11:36:22,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 11:36:22,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 11:36:22,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 11:36:22,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 11:36:22,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 11:36:22,473 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 11:36:22,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (1/1) ... [2018-09-19 11:36:22,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 11:36:22,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 11:36:22,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 11:36:22,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 11:36:22,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (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 11:36:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 11:36:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 11:36:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 11:36:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 11:36:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 11:36:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 11:36:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 11:36:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 11:36:23,209 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 11:36:23,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:36:23 BoogieIcfgContainer [2018-09-19 11:36:23,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 11:36:23,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 11:36:23,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 11:36:23,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 11:36:23,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 11:36:22" (1/3) ... [2018-09-19 11:36:23,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f47cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 11:36:23, skipping insertion in model container [2018-09-19 11:36:23,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:36:22" (2/3) ... [2018-09-19 11:36:23,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f47cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 11:36:23, skipping insertion in model container [2018-09-19 11:36:23,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:36:23" (3/3) ... [2018-09-19 11:36:23,218 INFO L112 eAbstractionObserver]: Analyzing ICFG heapsort_true-unreach-call_true-termination.i [2018-09-19 11:36:23,229 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 11:36:23,238 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 11:36:23,287 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 11:36:23,288 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 11:36:23,288 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 11:36:23,288 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 11:36:23,288 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 11:36:23,288 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 11:36:23,288 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 11:36:23,288 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 11:36:23,289 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 11:36:23,307 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-09-19 11:36:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-19 11:36:23,314 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:36:23,315 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 11:36:23,316 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:36:23,322 INFO L82 PathProgramCache]: Analyzing trace with hash 64061581, now seen corresponding path program 1 times [2018-09-19 11:36:23,325 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:36:23,326 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 16 with the following transitions: [2018-09-19 11:36:23,329 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [17], [23], [65], [69], [84], [87], [89], [95], [96], [97], [119] [2018-09-19 11:36:23,371 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 11:36:23,371 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:36:23,481 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 11:36:23,492 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 11:36:23,493 INFO L272 AbstractInterpreter]: Visited 10 different actions 10 times. Never merged. Never widened. Never found a fixpoint. Largest state had 13 variables. [2018-09-19 11:36:23,506 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 11:36:23,569 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 45% of their original sizes. [2018-09-19 11:36:23,570 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 11:36:23,671 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 11:36:23,673 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 11:36:23,673 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 11:36:23,673 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 11:36:23,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 11:36:23,683 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 11:36:23,684 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-19 11:36:23,686 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 6 states. [2018-09-19 11:36:24,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 11:36:24,517 INFO L93 Difference]: Finished difference Result 143 states and 273 transitions. [2018-09-19 11:36:24,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 11:36:24,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-09-19 11:36:24,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 11:36:24,530 INFO L225 Difference]: With dead ends: 143 [2018-09-19 11:36:24,530 INFO L226 Difference]: Without dead ends: 94 [2018-09-19 11:36:24,535 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-19 11:36:24,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-09-19 11:36:24,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 40. [2018-09-19 11:36:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-09-19 11:36:24,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 59 transitions. [2018-09-19 11:36:24,602 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 59 transitions. Word has length 15 [2018-09-19 11:36:24,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 11:36:24,602 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 59 transitions. [2018-09-19 11:36:24,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 11:36:24,603 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2018-09-19 11:36:24,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-19 11:36:24,604 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 11:36:24,604 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 11:36:24,605 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 11:36:24,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1525893932, now seen corresponding path program 1 times [2018-09-19 11:36:24,606 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 11:36:24,606 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 17 with the following transitions: [2018-09-19 11:36:24,606 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [17], [23], [27], [33], [49], [84], [87], [89], [95], [96], [97], [107] [2018-09-19 11:36:24,608 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 11:36:24,610 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 11:36:24,620 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 11:36:24,629 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 11:36:24,629 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Never found a fixpoint. Largest state had 13 variables. [2018-09-19 11:36:24,668 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 11:36:24,690 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 11:36:24,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 11:36:24 BoogieIcfgContainer [2018-09-19 11:36:24,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 11:36:24,692 INFO L168 Benchmark]: Toolchain (without parser) took 2508.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -703.8 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2018-09-19 11:36:24,694 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. [2018-09-19 11:36:24,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.66 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 11:36:24,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.21 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 11:36:24,696 INFO L168 Benchmark]: Boogie Preprocessor took 26.64 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 11:36:24,697 INFO L168 Benchmark]: RCFGBuilder took 710.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-09-19 11:36:24,698 INFO L168 Benchmark]: TraceAbstraction took 1479.79 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: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. [2018-09-19 11:36:24,703 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 258.66 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 26.21 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 26.64 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 710.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1479.79 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: 56.3 MB). Peak memory consumption was 56.3 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: [L11] int n,l,r,i,j; [L12] n = __VERIFIER_nondet_int() [L13] COND FALSE !(!(1 <= n && n <= 1000000)) [L14] l = n/2 + 1 [L15] r = n [L16] COND TRUE l>1 [L17] l-- [L17] l-- [L21] COND TRUE r > 1 [L22] i = l [L23] j = 2*l [L24] COND TRUE j <= r [L25] COND FALSE !(j < r) [L33] CALL __VERIFIER_assert(1 <= j) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. UNKNOWN Result, 1.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 82 SDtfs, 118 SDslu, 138 SDs, 0 SdLazy, 49 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 1 AbstIntStrong, 0.7857142857142857 AbsIntWeakeningRatio, 1.2857142857142858 AbsIntAvgWeakeningVarsNumRemoved, 1.1428571428571428 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 54 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/heapsort_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_11-36-24-716.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/heapsort_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_11-36-24-716.csv Received shutdown request...