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/loops/for_infinite_loop_1_true-unreach-call_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 10:44:15,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 10:44:15,654 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 10:44:15,666 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 10:44:15,667 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 10:44:15,668 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 10:44:15,669 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 10:44:15,671 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 10:44:15,673 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 10:44:15,674 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 10:44:15,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 10:44:15,675 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 10:44:15,676 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 10:44:15,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 10:44:15,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 10:44:15,679 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 10:44:15,680 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 10:44:15,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 10:44:15,683 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 10:44:15,685 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 10:44:15,686 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 10:44:15,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 10:44:15,690 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-24 10:44:15,699 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 10:44:15,714 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 10:44:15,715 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 10:44:15,715 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 10:44:15,716 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 10:44:15,716 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 10:44:15,716 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 10:44:15,716 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 10:44:15,717 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 10:44:15,717 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 10:44:15,717 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 10:44:15,717 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 10:44:15,718 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 10:44:15,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 10:44:15,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 10:44:15,719 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 10:44:15,719 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 10:44:15,719 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 10:44:15,719 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 10:44:15,719 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 10:44:15,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 10:44:15,720 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 10:44:15,720 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 10:44:15,720 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 10:44:15,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 10:44:15,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 10:44:15,721 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 10:44:15,721 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 10:44:15,721 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 10:44:15,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 10:44:15,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 10:44:15,722 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 10:44:15,722 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 10:44:15,722 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 10:44:15,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 10:44:15,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 10:44:15,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 10:44:15,792 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 10:44:15,793 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 10:44:15,793 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/for_infinite_loop_1_true-unreach-call_false-termination.i [2018-07-24 10:44:16,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba0b3abb8/2dd09fabd6db48deaa60e2237336c267/FLAG7f80c36dd [2018-07-24 10:44:16,322 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 10:44:16,323 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/for_infinite_loop_1_true-unreach-call_false-termination.i [2018-07-24 10:44:16,329 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba0b3abb8/2dd09fabd6db48deaa60e2237336c267/FLAG7f80c36dd [2018-07-24 10:44:16,345 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba0b3abb8/2dd09fabd6db48deaa60e2237336c267 [2018-07-24 10:44:16,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 10:44:16,358 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 10:44:16,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 10:44:16,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 10:44:16,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 10:44:16,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f05bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16, skipping insertion in model container [2018-07-24 10:44:16,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,553 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 10:44:16,590 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:44:16,606 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 10:44:16,610 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:44:16,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16 WrapperNode [2018-07-24 10:44:16,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 10:44:16,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 10:44:16,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 10:44:16,624 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 10:44:16,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 10:44:16,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 10:44:16,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 10:44:16,647 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 10:44:16,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (1/1) ... [2018-07-24 10:44:16,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 10:44:16,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 10:44:16,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 10:44:16,671 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 10:44:16,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (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 10:44:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 10:44:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 10:44:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_for_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assert [2018-07-24 10:44:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_for_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assert [2018-07-24 10:44:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 10:44:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 10:44:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 10:44:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 10:44:17,243 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 10:44:17,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:44:17 BoogieIcfgContainer [2018-07-24 10:44:17,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 10:44:17,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 10:44:17,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 10:44:17,248 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 10:44:17,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 10:44:16" (1/3) ... [2018-07-24 10:44:17,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ed0432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:44:17, skipping insertion in model container [2018-07-24 10:44:17,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:16" (2/3) ... [2018-07-24 10:44:17,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ed0432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:44:17, skipping insertion in model container [2018-07-24 10:44:17,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:44:17" (3/3) ... [2018-07-24 10:44:17,252 INFO L112 eAbstractionObserver]: Analyzing ICFG for_infinite_loop_1_true-unreach-call_false-termination.i [2018-07-24 10:44:17,262 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 10:44:17,276 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 10:44:17,351 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 10:44:17,352 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 10:44:17,352 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 10:44:17,352 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 10:44:17,353 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 10:44:17,353 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 10:44:17,354 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 10:44:17,354 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 10:44:17,354 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 10:44:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-07-24 10:44:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-24 10:44:17,387 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:44:17,388 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:44:17,389 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_for_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:44:17,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1643909160, now seen corresponding path program 1 times [2018-07-24 10:44:17,398 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:44:17,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:17,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:44:17,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:17,454 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:44:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:44:17,520 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 10:44:17,522 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:44:17,522 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-24 10:44:17,523 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:44:17,527 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-24 10:44:17,538 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-24 10:44:17,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-24 10:44:17,541 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2018-07-24 10:44:17,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:44:17,563 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2018-07-24 10:44:17,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-24 10:44:17,565 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-07-24 10:44:17,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:44:17,573 INFO L225 Difference]: With dead ends: 35 [2018-07-24 10:44:17,573 INFO L226 Difference]: Without dead ends: 16 [2018-07-24 10:44:17,577 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 10:44:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-24 10:44:17,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-24 10:44:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-24 10:44:17,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-24 10:44:17,613 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2018-07-24 10:44:17,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:44:17,613 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-24 10:44:17,614 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-24 10:44:17,614 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-24 10:44:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-24 10:44:17,615 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:44:17,615 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:44:17,615 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_for_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:44:17,615 INFO L82 PathProgramCache]: Analyzing trace with hash 279467968, now seen corresponding path program 1 times [2018-07-24 10:44:17,616 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:44:17,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:17,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:44:17,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:17,617 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:44:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:44:17,729 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 10:44:17,729 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:44:17,730 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 10:44:17,730 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:44:17,732 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 10:44:17,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 10:44:17,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 10:44:17,733 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 5 states. [2018-07-24 10:44:17,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:44:17,804 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-07-24 10:44:17,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 10:44:17,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-07-24 10:44:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:44:17,806 INFO L225 Difference]: With dead ends: 16 [2018-07-24 10:44:17,806 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 10:44:17,807 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 10:44:17,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 10:44:17,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 10:44:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 10:44:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 10:44:17,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-07-24 10:44:17,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:44:17,810 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 10:44:17,810 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 10:44:17,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 10:44:17,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 10:44:17,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 10:44:17,879 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:44:17,880 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-24 10:44:17,880 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_for_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-24 10:44:17,880 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_for_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-07-24 10:44:17,880 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_for_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-07-24 10:44:17,880 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-24 10:44:17,881 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-24 10:44:17,881 INFO L421 ceAbstractionStarter]: For program point L4''(lines 3 8) no Hoare annotation was computed. [2018-07-24 10:44:17,881 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-24 10:44:17,881 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 10:44:17,881 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 10:44:17,881 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:44:17,882 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 10 20) no Hoare annotation was computed. [2018-07-24 10:44:17,883 INFO L417 ceAbstractionStarter]: At program point L15'''(lines 15 18) the Hoare annotation is: false [2018-07-24 10:44:17,883 INFO L421 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-07-24 10:44:17,885 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 10 20) no Hoare annotation was computed. [2018-07-24 10:44:17,885 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 10 20) the Hoare annotation is: true [2018-07-24 10:44:17,885 INFO L421 ceAbstractionStarter]: For program point L15(lines 15 18) no Hoare annotation was computed. [2018-07-24 10:44:17,886 INFO L417 ceAbstractionStarter]: At program point L17(line 17) the Hoare annotation is: (= main_~x~0 0) [2018-07-24 10:44:17,886 INFO L421 ceAbstractionStarter]: For program point L17'(lines 15 18) no Hoare annotation was computed. [2018-07-24 10:44:17,886 INFO L417 ceAbstractionStarter]: At program point L15''(lines 15 18) the Hoare annotation is: (= main_~x~0 0) [2018-07-24 10:44:17,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 10:44:17 BoogieIcfgContainer [2018-07-24 10:44:17,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 10:44:17,905 INFO L168 Benchmark]: Toolchain (without parser) took 1547.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -744.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 10:44:17,907 INFO L168 Benchmark]: CDTParser took 0.24 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 10:44:17,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.39 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 10:44:17,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.75 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 10:44:17,912 INFO L168 Benchmark]: Boogie Preprocessor took 23.26 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 10:44:17,912 INFO L168 Benchmark]: RCFGBuilder took 573.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-07-24 10:44:17,914 INFO L168 Benchmark]: TraceAbstraction took 658.21 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2018-07-24 10:44:17,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 263.39 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 22.75 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 23.26 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 573.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 658.21 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: 27.4 MB). Peak memory consumption was 27.4 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: 15]: Loop Invariant Derived loop invariant: x == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 31 SDtfs, 6 SDslu, 25 SDs, 0 SdLazy, 7 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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, 8 LocationsWithAnnotation, 10 PreInvPairs, 12 NumberOfFragments, 12 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 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/for_infinite_loop_1_true-unreach-call_false-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_10-44-17-944.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/for_infinite_loop_1_true-unreach-call_false-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_10-44-17-944.csv Received shutdown request...