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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-invgen/down_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 19:40:28,910 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 19:40:28,912 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 19:40:28,932 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 19:40:28,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 19:40:28,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 19:40:28,935 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 19:40:28,937 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 19:40:28,940 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 19:40:28,941 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 19:40:28,949 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 19:40:28,949 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 19:40:28,951 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 19:40:28,953 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 19:40:28,956 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 19:40:28,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 19:40:28,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 19:40:28,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 19:40:28,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 19:40:28,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 19:40:28,970 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 19:40:28,971 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 19:40:28,973 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 19:40:28,974 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 19:40:28,974 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 19:40:28,977 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 19:40:28,978 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 19:40:28,979 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 19:40:28,980 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 19:40:28,981 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 19:40:28,981 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 19:40:28,983 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 19:40:28,983 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 19:40:28,985 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 19:40:28,986 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 19:40:28,988 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 19:40:28,988 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-11 19:40:29,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 19:40:29,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 19:40:29,005 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 19:40:29,005 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 19:40:29,005 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 19:40:29,005 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 19:40:29,005 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-11 19:40:29,006 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 19:40:29,006 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-11 19:40:29,006 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 19:40:29,006 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 19:40:29,006 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 19:40:29,007 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 19:40:29,007 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 19:40:29,008 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 19:40:29,008 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 19:40:29,008 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 19:40:29,008 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 19:40:29,008 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 19:40:29,009 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 19:40:29,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 19:40:29,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 19:40:29,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 19:40:29,009 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 19:40:29,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 19:40:29,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 19:40:29,010 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 19:40:29,010 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 19:40:29,011 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 19:40:29,011 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 19:40:29,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 19:40:29,011 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 19:40:29,011 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 19:40:29,012 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 19:40:29,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 19:40:29,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 19:40:29,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 19:40:29,082 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 19:40:29,083 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 19:40:29,084 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/down_true-unreach-call_true-termination.i [2018-09-11 19:40:29,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d878f750/15467399c3bc4ad3baf36cfcd8c14d02/FLAGf8fcbf586 [2018-09-11 19:40:29,636 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 19:40:29,637 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/down_true-unreach-call_true-termination.i [2018-09-11 19:40:29,643 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d878f750/15467399c3bc4ad3baf36cfcd8c14d02/FLAGf8fcbf586 [2018-09-11 19:40:29,659 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d878f750/15467399c3bc4ad3baf36cfcd8c14d02 [2018-09-11 19:40:29,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 19:40:29,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 19:40:29,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 19:40:29,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 19:40:29,682 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 19:40:29,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244ce216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29, skipping insertion in model container [2018-09-11 19:40:29,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,856 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 19:40:29,891 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:40:29,908 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 19:40:29,914 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:40:29,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29 WrapperNode [2018-09-11 19:40:29,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 19:40:29,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 19:40:29,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 19:40:29,930 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 19:40:29,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 19:40:29,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 19:40:29,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 19:40:29,957 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 19:40:29,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (1/1) ... [2018-09-11 19:40:29,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 19:40:29,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 19:40:29,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 19:40:29,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 19:40:29,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (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 [2018-09-11 19:40:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 19:40:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 19:40:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-11 19:40:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-11 19:40:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 19:40:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 19:40:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 19:40:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 19:40:30,330 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 19:40:30,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:40:30 BoogieIcfgContainer [2018-09-11 19:40:30,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 19:40:30,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 19:40:30,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 19:40:30,335 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 19:40:30,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 07:40:29" (1/3) ... [2018-09-11 19:40:30,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c07f7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:40:30, skipping insertion in model container [2018-09-11 19:40:30,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:29" (2/3) ... [2018-09-11 19:40:30,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c07f7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:40:30, skipping insertion in model container [2018-09-11 19:40:30,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:40:30" (3/3) ... [2018-09-11 19:40:30,339 INFO L112 eAbstractionObserver]: Analyzing ICFG down_true-unreach-call_true-termination.i [2018-09-11 19:40:30,349 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 19:40:30,357 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 19:40:30,407 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 19:40:30,408 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 19:40:30,408 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 19:40:30,408 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 19:40:30,409 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 19:40:30,409 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 19:40:30,409 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 19:40:30,409 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 19:40:30,409 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 19:40:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-11 19:40:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-11 19:40:30,435 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:40:30,436 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:40:30,437 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:40:30,442 INFO L82 PathProgramCache]: Analyzing trace with hash 910151092, now seen corresponding path program 1 times [2018-09-11 19:40:30,445 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:40:30,445 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-11 19:40:30,447 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [27], [29], [33], [39], [47], [48], [49], [51] [2018-09-11 19:40:30,496 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 19:40:30,496 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:40:30,538 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:40:30,540 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Never found a fixpoint. Largest state had 5 variables. [2018-09-11 19:40:30,554 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:40:30,602 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 33.33% of their original sizes. [2018-09-11 19:40:30,602 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:40:30,626 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:40:30,628 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:40:30,628 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-11 19:40:30,629 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:40:30,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-11 19:40:30,641 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-11 19:40:30,642 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-11 19:40:30,645 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2018-09-11 19:40:30,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:40:30,797 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2018-09-11 19:40:30,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-11 19:40:30,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-09-11 19:40:30,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:40:30,810 INFO L225 Difference]: With dead ends: 49 [2018-09-11 19:40:30,810 INFO L226 Difference]: Without dead ends: 25 [2018-09-11 19:40:30,814 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-11 19:40:30,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-09-11 19:40:30,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 18. [2018-09-11 19:40:30,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-09-11 19:40:30,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-09-11 19:40:30,858 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2018-09-11 19:40:30,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:40:30,858 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-09-11 19:40:30,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-11 19:40:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-09-11 19:40:30,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-11 19:40:30,859 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:40:30,860 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:40:30,860 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:40:30,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1578698797, now seen corresponding path program 1 times [2018-09-11 19:40:30,861 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:40:30,861 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 15 with the following transitions: [2018-09-11 19:40:30,861 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [29], [33], [39], [47], [48], [49], [51] [2018-09-11 19:40:30,865 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 19:40:30,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:40:30,876 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:40:30,876 INFO L272 AbstractInterpreter]: Visited 10 different actions 10 times. Never merged. Never widened. Never found a fixpoint. Largest state had 5 variables. [2018-09-11 19:40:30,897 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:40:30,934 INFO L232 lantSequenceWeakener]: Weakened 3 states. On average, predicates are now at 44.44% of their original sizes. [2018-09-11 19:40:30,935 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:40:31,053 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:40:31,053 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:40:31,054 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-11 19:40:31,054 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:40:31,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-11 19:40:31,055 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-11 19:40:31,055 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-11 19:40:31,056 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 5 states. [2018-09-11 19:40:31,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:40:31,308 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-09-11 19:40:31,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-11 19:40:31,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-09-11 19:40:31,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:40:31,312 INFO L225 Difference]: With dead ends: 33 [2018-09-11 19:40:31,312 INFO L226 Difference]: Without dead ends: 20 [2018-09-11 19:40:31,314 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-11 19:40:31,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-09-11 19:40:31,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-09-11 19:40:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-09-11 19:40:31,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-09-11 19:40:31,323 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 14 [2018-09-11 19:40:31,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:40:31,324 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-09-11 19:40:31,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-11 19:40:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-09-11 19:40:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-11 19:40:31,327 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:40:31,327 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:40:31,327 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:40:31,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1516611795, now seen corresponding path program 1 times [2018-09-11 19:40:31,328 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:40:31,328 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 17 with the following transitions: [2018-09-11 19:40:31,328 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [25], [29], [33], [39], [47], [48], [49], [51] [2018-09-11 19:40:31,331 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 19:40:31,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:40:31,393 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:40:31,393 INFO L272 AbstractInterpreter]: Visited 14 different actions 74 times. Merged at 6 different actions 41 times. Widened at 2 different actions 6 times. Found 1 fixpoints after 1 different actions. Largest state had 7 variables. [2018-09-11 19:40:31,416 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:40:31,455 INFO L232 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 51.67% of their original sizes. [2018-09-11 19:40:31,457 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:40:31,638 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:40:31,639 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:40:31,639 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-11 19:40:31,639 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:40:31,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-11 19:40:31,640 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-11 19:40:31,640 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-11 19:40:31,640 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2018-09-11 19:40:32,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:40:32,107 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2018-09-11 19:40:32,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-11 19:40:32,110 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-09-11 19:40:32,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:40:32,110 INFO L225 Difference]: With dead ends: 24 [2018-09-11 19:40:32,110 INFO L226 Difference]: Without dead ends: 0 [2018-09-11 19:40:32,112 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-11 19:40:32,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-11 19:40:32,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-11 19:40:32,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-11 19:40:32,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-11 19:40:32,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-09-11 19:40:32,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:40:32,113 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-11 19:40:32,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-11 19:40:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-11 19:40:32,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-11 19:40:32,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-11 19:40:32,651 WARN L175 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 13 [2018-09-11 19:40:32,946 WARN L175 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 18 [2018-09-11 19:40:33,000 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-11 19:40:33,000 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-11 19:40:33,001 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-11 19:40:33,001 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-09-11 19:40:33,001 INFO L429 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-09-11 19:40:33,001 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-11 19:40:33,001 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-11 19:40:33,002 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-11 19:40:33,002 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-11 19:40:33,002 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-11 19:40:33,002 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-11 19:40:33,002 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-11 19:40:33,002 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 10 26) no Hoare annotation was computed. [2018-09-11 19:40:33,003 INFO L422 ceAbstractionStarter]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (* 2 main_~k~0))) (and (<= main_~k~0 (+ main_~j~0 2147483648)) (<= .cse0 4294967294) (<= main_~j~0 main_~k~0) (<= 2 .cse0))) [2018-09-11 19:40:33,003 INFO L426 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-09-11 19:40:33,003 INFO L426 ceAbstractionStarter]: For program point L15-1(lines 15 18) no Hoare annotation was computed. [2018-09-11 19:40:33,003 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 10 26) no Hoare annotation was computed. [2018-09-11 19:40:33,003 INFO L422 ceAbstractionStarter]: At program point L15-3(lines 15 18) the Hoare annotation is: (and (<= 0 (* 2 main_~k~0)) (<= main_~i~0 (+ main_~n~0 2147483648)) (<= (* 2 main_~n~0) 4294967294) (<= (+ main_~i~0 main_~k~0) 4294967294) (<= main_~i~0 main_~k~0) (<= main_~k~0 main_~i~0)) [2018-09-11 19:40:33,004 INFO L426 ceAbstractionStarter]: For program point L15-4(lines 15 18) no Hoare annotation was computed. [2018-09-11 19:40:33,004 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 10 26) the Hoare annotation is: true [2018-09-11 19:40:33,004 INFO L426 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2018-09-11 19:40:33,004 INFO L422 ceAbstractionStarter]: At program point L20-3(lines 20 24) the Hoare annotation is: (let ((.cse0 (* 2 main_~k~0))) (and (<= main_~k~0 (+ main_~j~0 2147483648)) (<= .cse0 4294967294) (<= 0 .cse0) (<= main_~j~0 main_~k~0))) [2018-09-11 19:40:33,004 INFO L426 ceAbstractionStarter]: For program point L20-4(lines 20 24) no Hoare annotation was computed. [2018-09-11 19:40:33,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 07:40:33 BoogieIcfgContainer [2018-09-11 19:40:33,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 19:40:33,022 INFO L168 Benchmark]: Toolchain (without parser) took 3350.66 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -663.2 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2018-09-11 19:40:33,023 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-11 19:40:33,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.69 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. [2018-09-11 19:40:33,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.18 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. [2018-09-11 19:40:33,028 INFO L168 Benchmark]: Boogie Preprocessor took 26.55 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. [2018-09-11 19:40:33,028 INFO L168 Benchmark]: RCFGBuilder took 347.45 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -773.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-11 19:40:33,030 INFO L168 Benchmark]: TraceAbstraction took 2687.25 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 MB. Max. memory is 7.1 GB. [2018-09-11 19:40:33,038 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.69 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 26.18 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 26.55 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 347.45 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -773.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2687.25 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 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: 20]: Loop Invariant Derived loop invariant: ((k <= j + 2147483648 && 2 * k <= 4294967294) && 0 <= 2 * k) && j <= k - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((0 <= 2 * k && i <= n + 2147483648) && 2 * n <= 4294967294) && i + k <= 4294967294) && i <= k) && k <= i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 SDtfs, 31 SDslu, 109 SDs, 0 SdLazy, 75 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9682142857142859 AbsIntWeakeningRatio, 0.5 AbsIntAvgWeakeningVarsNumRemoved, 4.05 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 17 NumberOfFragments, 70 HoareAnnotationTreeSize, 11 FomulaSimplifications, 261 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 8 FomulaSimplificationsInter, 373 FormulaSimplificationTreeSizeReductionInter, 0.6s 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/down_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_19-40-33-068.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_19-40-33-068.csv Received shutdown request...