java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 07:14:38,658 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 07:14:38,660 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 07:14:38,672 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 07:14:38,672 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 07:14:38,673 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 07:14:38,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 07:14:38,677 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 07:14:38,679 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 07:14:38,680 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 07:14:38,681 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 07:14:38,681 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 07:14:38,682 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 07:14:38,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 07:14:38,687 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 07:14:38,688 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 07:14:38,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 07:14:38,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 07:14:38,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 07:14:38,704 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 07:14:38,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 07:14:38,707 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 07:14:38,711 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 07:14:38,711 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 07:14:38,711 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 07:14:38,712 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 07:14:38,718 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 07:14:38,719 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 07:14:38,721 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 07:14:38,724 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 07:14:38,724 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 07:14:38,725 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 07:14:38,725 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 07:14:38,725 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 07:14:38,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 07:14:38,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 07:14:38,728 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-08-08 07:14:38,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 07:14:38,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 07:14:38,744 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 07:14:38,745 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 07:14:38,745 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 07:14:38,745 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 07:14:38,745 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 07:14:38,745 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 07:14:38,746 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 07:14:38,746 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-08-08 07:14:38,746 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 07:14:38,746 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 07:14:38,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 07:14:38,747 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 07:14:38,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 07:14:38,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 07:14:38,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 07:14:38,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 07:14:38,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 07:14:38,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 07:14:38,749 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 07:14:38,749 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 07:14:38,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 07:14:38,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 07:14:38,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 07:14:38,750 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 07:14:38,750 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 07:14:38,750 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 07:14:38,750 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 07:14:38,750 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 07:14:38,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 07:14:38,751 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 07:14:38,751 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 07:14:38,751 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 07:14:38,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 07:14:38,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 07:14:38,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 07:14:38,844 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 07:14:38,845 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 07:14:38,845 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i [2018-08-08 07:14:39,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be1d562b/3707cfd8ab9941a5a40b452f7a545dd6/FLAG8f2905ec2 [2018-08-08 07:14:39,320 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 07:14:39,321 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i [2018-08-08 07:14:39,327 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be1d562b/3707cfd8ab9941a5a40b452f7a545dd6/FLAG8f2905ec2 [2018-08-08 07:14:39,345 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be1d562b/3707cfd8ab9941a5a40b452f7a545dd6 [2018-08-08 07:14:39,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 07:14:39,361 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 07:14:39,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 07:14:39,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 07:14:39,369 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 07:14:39,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41878064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39, skipping insertion in model container [2018-08-08 07:14:39,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,536 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 07:14:39,572 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 07:14:39,586 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 07:14:39,593 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 07:14:39,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39 WrapperNode [2018-08-08 07:14:39,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 07:14:39,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 07:14:39,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 07:14:39,608 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 07:14:39,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 07:14:39,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 07:14:39,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 07:14:39,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 07:14:39,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 07:14:39,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 07:14:39,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 07:14:39,653 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 07:14:39,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (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 [2018-08-08 07:14:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 07:14:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 07:14:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 07:14:39,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 07:14:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 07:14:39,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 07:14:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 07:14:39,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 07:14:40,256 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 07:14:40,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:14:40 BoogieIcfgContainer [2018-08-08 07:14:40,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 07:14:40,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 07:14:40,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 07:14:40,276 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 07:14:40,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 07:14:39" (1/3) ... [2018-08-08 07:14:40,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca37963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 07:14:40, skipping insertion in model container [2018-08-08 07:14:40,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (2/3) ... [2018-08-08 07:14:40,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca37963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 07:14:40, skipping insertion in model container [2018-08-08 07:14:40,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:14:40" (3/3) ... [2018-08-08 07:14:40,287 INFO L112 eAbstractionObserver]: Analyzing ICFG nest-if3_true-unreach-call_true-termination.i [2018-08-08 07:14:40,309 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 07:14:40,327 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 07:14:40,411 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 07:14:40,412 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 07:14:40,412 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 07:14:40,412 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 07:14:40,412 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 07:14:40,412 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 07:14:40,412 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 07:14:40,413 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 07:14:40,413 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 07:14:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-08-08 07:14:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-08-08 07:14:40,454 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 07:14:40,456 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 07:14:40,457 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 07:14:40,465 INFO L82 PathProgramCache]: Analyzing trace with hash -303319981, now seen corresponding path program 1 times [2018-08-08 07:14:40,468 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 07:14:40,469 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 17 with the following transitions: [2018-08-08 07:14:40,473 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [27], [31], [36], [40], [45], [64], [65], [66], [68] [2018-08-08 07:14:40,540 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-08-08 07:14:40,540 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 07:14:40,633 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-08 07:14:40,634 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Never found a fixpoint. Largest state had 6 variables. [2018-08-08 07:14:40,647 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-08-08 07:14:40,665 WARN L205 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-08-08 07:14:40,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 07:14:40 BoogieIcfgContainer [2018-08-08 07:14:40,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 07:14:40,667 INFO L168 Benchmark]: Toolchain (without parser) took 1307.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -766.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 07:14:40,669 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-08-08 07:14:40,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.36 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. [2018-08-08 07:14:40,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.87 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. [2018-08-08 07:14:40,672 INFO L168 Benchmark]: Boogie Preprocessor took 21.62 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. [2018-08-08 07:14:40,672 INFO L168 Benchmark]: RCFGBuilder took 605.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-08-08 07:14:40,674 INFO L168 Benchmark]: TraceAbstraction took 406.90 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-08-08 07:14:40,678 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 245.36 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 22.87 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 21.62 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 605.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 406.90 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: 13.5 MB). Peak memory consumption was 13.5 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 i,k,n,l; [L12] n = __VERIFIER_nondet_int() [L13] l = __VERIFIER_nondet_int() [L14] COND FALSE !(!(l>0)) [L15] COND FALSE !(!(l < 1000000)) [L16] COND FALSE !(!(n < 1000000)) [L17] k=1 [L17] COND TRUE k