java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call2_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 10:52:59,583 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 10:52:59,585 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 10:52:59,599 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 10:52:59,599 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 10:52:59,601 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 10:52:59,602 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 10:52:59,605 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 10:52:59,607 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 10:52:59,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 10:52:59,612 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 10:52:59,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 10:52:59,613 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 10:52:59,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 10:52:59,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 10:52:59,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 10:52:59,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 10:52:59,628 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 10:52:59,631 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 10:52:59,632 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 10:52:59,634 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 10:52:59,635 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 10:52:59,638 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 10:52:59,638 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 10:52:59,643 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 10:52:59,644 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 10:52:59,645 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 10:52:59,647 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 10:52:59,648 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 10:52:59,649 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 10:52:59,649 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 10:52:59,650 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 10:52:59,650 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 10:52:59,652 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 10:52:59,653 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 10:52:59,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 10:52:59,654 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-07-24 10:52:59,682 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 10:52:59,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 10:52:59,684 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 10:52:59,684 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 10:52:59,684 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 10:52:59,685 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 10:52:59,685 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 10:52:59,685 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 10:52:59,685 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 10:52:59,685 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 10:52:59,685 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 10:52:59,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 10:52:59,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 10:52:59,687 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 10:52:59,687 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 10:52:59,687 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 10:52:59,687 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 10:52:59,688 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 10:52:59,688 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 10:52:59,689 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 10:52:59,689 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 10:52:59,689 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 10:52:59,689 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 10:52:59,689 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 10:52:59,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 10:52:59,690 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 10:52:59,690 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 10:52:59,690 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 10:52:59,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 10:52:59,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 10:52:59,691 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 10:52:59,691 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 10:52:59,691 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 10:52:59,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 10:52:59,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 10:52:59,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 10:52:59,772 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 10:52:59,772 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 10:52:59,773 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-07-24 10:53:00,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fc1dc18/cfdf3c528c6e4d3d8c4e104e47484d5e/FLAG53bbe8fec [2018-07-24 10:53:00,245 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 10:53:00,246 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-07-24 10:53:00,252 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fc1dc18/cfdf3c528c6e4d3d8c4e104e47484d5e/FLAG53bbe8fec [2018-07-24 10:53:00,265 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fc1dc18/cfdf3c528c6e4d3d8c4e104e47484d5e [2018-07-24 10:53:00,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 10:53:00,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 10:53:00,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 10:53:00,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 10:53:00,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 10:53:00,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168740bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00, skipping insertion in model container [2018-07-24 10:53:00,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,462 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 10:53:00,500 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:53:00,516 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 10:53:00,520 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:53:00,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00 WrapperNode [2018-07-24 10:53:00,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 10:53:00,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 10:53:00,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 10:53:00,535 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 10:53:00,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 10:53:00,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 10:53:00,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 10:53:00,557 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 10:53:00,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (1/1) ... [2018-07-24 10:53:00,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 10:53:00,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 10:53:00,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 10:53:00,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 10:53:00,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (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 [2018-07-24 10:53:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 10:53:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 10:53:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 10:53:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 10:53:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 10:53:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 10:53:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assert [2018-07-24 10:53:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assert [2018-07-24 10:53:00,885 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 10:53:00,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:53:00 BoogieIcfgContainer [2018-07-24 10:53:00,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 10:53:00,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 10:53:00,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 10:53:00,890 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 10:53:00,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 10:53:00" (1/3) ... [2018-07-24 10:53:00,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a83f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:53:00, skipping insertion in model container [2018-07-24 10:53:00,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:00" (2/3) ... [2018-07-24 10:53:00,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a83f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:53:00, skipping insertion in model container [2018-07-24 10:53:00,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:53:00" (3/3) ... [2018-07-24 10:53:00,894 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call2_true-termination.i [2018-07-24 10:53:00,902 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 10:53:00,910 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 10:53:00,962 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 10:53:00,963 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 10:53:00,963 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 10:53:00,963 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 10:53:00,963 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 10:53:00,964 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 10:53:00,964 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 10:53:00,964 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 10:53:00,964 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 10:53:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-07-24 10:53:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-24 10:53:00,984 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:53:00,985 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:53:00,985 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:53:00,990 INFO L82 PathProgramCache]: Analyzing trace with hash -10373566, now seen corresponding path program 1 times [2018-07-24 10:53:00,993 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:53:01,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:53:01,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:53:01,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:53:01,048 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:53:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:53:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 10:53:01,096 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:53:01,096 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-24 10:53:01,096 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:53:01,101 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-24 10:53:01,116 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-24 10:53:01,116 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-24 10:53:01,119 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-07-24 10:53:01,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:53:01,141 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-07-24 10:53:01,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-24 10:53:01,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-07-24 10:53:01,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:53:01,151 INFO L225 Difference]: With dead ends: 29 [2018-07-24 10:53:01,151 INFO L226 Difference]: Without dead ends: 12 [2018-07-24 10:53:01,155 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-24 10:53:01,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-24 10:53:01,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-24 10:53:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-24 10:53:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-24 10:53:01,193 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-24 10:53:01,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:53:01,193 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-24 10:53:01,194 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-24 10:53:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-24 10:53:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-24 10:53:01,194 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:53:01,195 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:53:01,195 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:53:01,195 INFO L82 PathProgramCache]: Analyzing trace with hash -571410792, now seen corresponding path program 1 times [2018-07-24 10:53:01,196 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:53:01,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:53:01,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:53:01,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:53:01,197 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:53:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:53:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 10:53:01,424 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:53:01,424 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 10:53:01,424 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:53:01,426 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 10:53:01,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 10:53:01,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 10:53:01,427 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 5 states. [2018-07-24 10:53:01,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:53:01,510 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-07-24 10:53:01,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 10:53:01,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-07-24 10:53:01,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:53:01,511 INFO L225 Difference]: With dead ends: 12 [2018-07-24 10:53:01,511 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 10:53:01,512 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 10:53:01,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 10:53:01,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 10:53:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 10:53:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 10:53:01,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-07-24 10:53:01,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:53:01,514 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 10:53:01,514 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 10:53:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 10:53:01,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 10:53:01,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 10:53:01,555 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:53:01,555 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-24 10:53:01,556 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-24 10:53:01,556 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 10:53:01,556 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 10:53:01,556 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:53:01,557 INFO L417 ceAbstractionStarter]: At program point L10'''(lines 10 12) the Hoare annotation is: (< (+ (* 4294967296 (div main_~x~0 4294967296)) 268435454) main_~x~0) [2018-07-24 10:53:01,557 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 8 14) no Hoare annotation was computed. [2018-07-24 10:53:01,557 INFO L421 ceAbstractionStarter]: For program point L10(lines 10 12) no Hoare annotation was computed. [2018-07-24 10:53:01,557 INFO L424 ceAbstractionStarter]: At program point L10''(lines 10 12) the Hoare annotation is: true [2018-07-24 10:53:01,558 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 8 14) no Hoare annotation was computed. [2018-07-24 10:53:01,558 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 8 14) the Hoare annotation is: true [2018-07-24 10:53:01,558 INFO L421 ceAbstractionStarter]: For program point L3''(lines 2 7) no Hoare annotation was computed. [2018-07-24 10:53:01,558 INFO L421 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-07-24 10:53:01,558 INFO L421 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-07-24 10:53:01,559 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-07-24 10:53:01,559 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-07-24 10:53:01,559 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-07-24 10:53:01,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 10:53:01 BoogieIcfgContainer [2018-07-24 10:53:01,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 10:53:01,565 INFO L168 Benchmark]: Toolchain (without parser) took 1288.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -763.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 10:53:01,570 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-07-24 10:53:01,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.83 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. [2018-07-24 10:53:01,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.22 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. [2018-07-24 10:53:01,574 INFO L168 Benchmark]: Boogie Preprocessor took 19.91 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. [2018-07-24 10:53:01,575 INFO L168 Benchmark]: RCFGBuilder took 309.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-07-24 10:53:01,576 INFO L168 Benchmark]: TraceAbstraction took 677.37 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2018-07-24 10:53:01,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 255.83 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 22.22 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 19.91 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 309.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 677.37 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 27 SDtfs, 1 SDslu, 23 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 9 NumberOfFragments, 15 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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/simple_true-unreach-call2_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_10-53-01-596.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call2_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_10-53-01-596.csv Received shutdown request...