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-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 09:56:24,998 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 09:56:25,001 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 09:56:25,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 09:56:25,014 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 09:56:25,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 09:56:25,016 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 09:56:25,018 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 09:56:25,020 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 09:56:25,021 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 09:56:25,022 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 09:56:25,022 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 09:56:25,023 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 09:56:25,024 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 09:56:25,026 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 09:56:25,026 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 09:56:25,027 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 09:56:25,030 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 09:56:25,032 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 09:56:25,033 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 09:56:25,034 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 09:56:25,036 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 09:56:25,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 09:56:25,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 09:56:25,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 09:56:25,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 09:56:25,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 09:56:25,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 09:56:25,043 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 09:56:25,044 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 09:56:25,045 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 09:56:25,045 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 09:56:25,046 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 09:56:25,046 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 09:56:25,047 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 09:56:25,048 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 09:56:25,048 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 [2018-09-18 09:56:25,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 09:56:25,065 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 09:56:25,066 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 09:56:25,066 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 09:56:25,066 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 09:56:25,066 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 09:56:25,066 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 09:56:25,067 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 09:56:25,067 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 09:56:25,067 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 09:56:25,067 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 09:56:25,067 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 09:56:25,068 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 09:56:25,069 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 09:56:25,069 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 09:56:25,069 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 09:56:25,069 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 09:56:25,069 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 09:56:25,070 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 09:56:25,070 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 09:56:25,070 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 09:56:25,070 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 09:56:25,070 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 09:56:25,071 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 09:56:25,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 09:56:25,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 09:56:25,071 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 09:56:25,071 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 09:56:25,072 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 09:56:25,072 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 09:56:25,072 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 09:56:25,072 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 09:56:25,072 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 09:56:25,073 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 09:56:25,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 09:56:25,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 09:56:25,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 09:56:25,137 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 09:56:25,137 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 09:56:25,138 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i [2018-09-18 09:56:25,480 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/985672ff1/5002580692824c16be2ed56e67383618/FLAGe96cb4636 [2018-09-18 09:56:25,622 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 09:56:25,623 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i [2018-09-18 09:56:25,630 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/985672ff1/5002580692824c16be2ed56e67383618/FLAGe96cb4636 [2018-09-18 09:56:25,647 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/985672ff1/5002580692824c16be2ed56e67383618 [2018-09-18 09:56:25,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 09:56:25,659 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 09:56:25,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 09:56:25,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 09:56:25,668 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 09:56:25,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:25,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba2ae98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25, skipping insertion in model container [2018-09-18 09:56:25,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:25,688 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 09:56:25,954 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 09:56:25,972 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 09:56:25,980 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 09:56:25,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25 WrapperNode [2018-09-18 09:56:25,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 09:56:25,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 09:56:25,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 09:56:25,995 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 09:56:26,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:26,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:26,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 09:56:26,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 09:56:26,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 09:56:26,019 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 09:56:26,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:26,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:26,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:26,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:26,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:26,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:26,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (1/1) ... [2018-09-18 09:56:26,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 09:56:26,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 09:56:26,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 09:56:26,053 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 09:56:26,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (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 [2018-09-18 09:56:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 09:56:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 09:56:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 09:56:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 09:56:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 09:56:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 09:56:26,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 09:56:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 09:56:26,439 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 09:56:26,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:56:26 BoogieIcfgContainer [2018-09-18 09:56:26,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 09:56:26,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 09:56:26,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 09:56:26,445 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 09:56:26,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 09:56:25" (1/3) ... [2018-09-18 09:56:26,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e628d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 09:56:26, skipping insertion in model container [2018-09-18 09:56:26,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:25" (2/3) ... [2018-09-18 09:56:26,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e628d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 09:56:26, skipping insertion in model container [2018-09-18 09:56:26,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:56:26" (3/3) ... [2018-09-18 09:56:26,449 INFO L112 eAbstractionObserver]: Analyzing ICFG trex03_true-unreach-call_true-termination.i [2018-09-18 09:56:26,460 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 09:56:26,470 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 09:56:26,521 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 09:56:26,522 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 09:56:26,522 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 09:56:26,522 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 09:56:26,522 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 09:56:26,523 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 09:56:26,523 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 09:56:26,523 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 09:56:26,523 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 09:56:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-09-18 09:56:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-18 09:56:26,549 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 09:56:26,550 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 09:56:26,552 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 09:56:26,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1575744449, now seen corresponding path program 1 times [2018-09-18 09:56:26,561 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 09:56:26,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:26,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:26,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:26,616 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 09:56:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 09:56:26,699 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 09:56:26,699 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-18 09:56:26,699 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 09:56:26,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-18 09:56:26,720 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-18 09:56:26,721 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-18 09:56:26,723 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-09-18 09:56:26,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 09:56:26,744 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2018-09-18 09:56:26,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-18 09:56:26,746 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-09-18 09:56:26,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 09:56:26,755 INFO L225 Difference]: With dead ends: 34 [2018-09-18 09:56:26,755 INFO L226 Difference]: Without dead ends: 15 [2018-09-18 09:56:26,759 INFO L604 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 [2018-09-18 09:56:26,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-09-18 09:56:26,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-09-18 09:56:26,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-18 09:56:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-09-18 09:56:26,797 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2018-09-18 09:56:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 09:56:26,798 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-09-18 09:56:26,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-18 09:56:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-09-18 09:56:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-18 09:56:26,799 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 09:56:26,799 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 09:56:26,799 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 09:56:26,800 INFO L82 PathProgramCache]: Analyzing trace with hash 998051845, now seen corresponding path program 1 times [2018-09-18 09:56:26,800 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 09:56:26,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:26,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:26,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:26,802 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 09:56:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:27,015 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-18 09:56:27,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 09:56:27,201 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 09:56:27,201 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 09:56:27,202 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 09:56:27,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 09:56:27,204 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 09:56:27,204 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 09:56:27,204 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 5 states. [2018-09-18 09:56:27,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 09:56:27,401 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-09-18 09:56:27,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-18 09:56:27,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-09-18 09:56:27,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 09:56:27,403 INFO L225 Difference]: With dead ends: 15 [2018-09-18 09:56:27,403 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 09:56:27,404 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-18 09:56:27,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 09:56:27,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 09:56:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 09:56:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 09:56:27,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-09-18 09:56:27,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 09:56:27,406 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 09:56:27,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 09:56:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 09:56:27,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 09:56:27,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 09:56:27,499 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-18 09:56:27,499 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 09:56:27,499 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 09:56:27,500 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-18 09:56:27,500 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 09:56:27,500 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 09:56:27,500 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 10 25) no Hoare annotation was computed. [2018-09-18 09:56:27,500 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-18 09:56:27,501 INFO L426 ceAbstractionStarter]: For program point L17(lines 17 19) no Hoare annotation was computed. [2018-09-18 09:56:27,501 INFO L426 ceAbstractionStarter]: For program point L15-1(lines 15 22) no Hoare annotation was computed. [2018-09-18 09:56:27,501 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 10 25) no Hoare annotation was computed. [2018-09-18 09:56:27,501 INFO L429 ceAbstractionStarter]: At program point L15-3(lines 15 22) the Hoare annotation is: true [2018-09-18 09:56:27,502 INFO L422 ceAbstractionStarter]: At program point L15-4(lines 15 22) the Hoare annotation is: (or (= main_~x2~0 (* 4294967296 (div main_~x2~0 4294967296))) (= main_~x3~0 (* 4294967296 (div main_~x3~0 4294967296))) (= main_~x1~0 (* 4294967296 (div main_~x1~0 4294967296)))) [2018-09-18 09:56:27,502 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 10 25) the Hoare annotation is: true [2018-09-18 09:56:27,503 INFO L426 ceAbstractionStarter]: For program point L18(lines 18 19) no Hoare annotation was computed. [2018-09-18 09:56:27,503 INFO L426 ceAbstractionStarter]: For program point L18-2(lines 17 19) no Hoare annotation was computed. [2018-09-18 09:56:27,503 INFO L426 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-09-18 09:56:27,503 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-09-18 09:56:27,503 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-09-18 09:56:27,504 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-09-18 09:56:27,504 INFO L426 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-09-18 09:56:27,504 INFO L426 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-09-18 09:56:27,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 09:56:27 BoogieIcfgContainer [2018-09-18 09:56:27,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 09:56:27,512 INFO L168 Benchmark]: Toolchain (without parser) took 1855.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -757.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 09:56:27,514 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. [2018-09-18 09:56:27,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.50 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. [2018-09-18 09:56:27,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.10 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. [2018-09-18 09:56:27,516 INFO L168 Benchmark]: Boogie Preprocessor took 27.14 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. [2018-09-18 09:56:27,516 INFO L168 Benchmark]: RCFGBuilder took 388.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-18 09:56:27,518 INFO L168 Benchmark]: TraceAbstraction took 1070.36 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: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2018-09-18 09:56:27,523 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 333.50 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 24.10 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 27.14 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 388.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1070.36 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: 30.3 MB). Peak memory consumption was 30.3 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: 15]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 1 SDslu, 35 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, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 28 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 431 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/trex03_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_09-56-27-537.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/trex03_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_09-56-27-537.csv Received shutdown request...