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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 16:48:33,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 16:48:33,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 16:48:33,595 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 16:48:33,596 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 16:48:33,598 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 16:48:33,599 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 16:48:33,604 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 16:48:33,606 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 16:48:33,607 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 16:48:33,608 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 16:48:33,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 16:48:33,610 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 16:48:33,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 16:48:33,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 16:48:33,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 16:48:33,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 16:48:33,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 16:48:33,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 16:48:33,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 16:48:33,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 16:48:33,623 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 16:48:33,626 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 16:48:33,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 16:48:33,627 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 16:48:33,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 16:48:33,629 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 16:48:33,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 16:48:33,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 16:48:33,633 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 16:48:33,633 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 16:48:33,634 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 16:48:33,634 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 16:48:33,634 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 16:48:33,635 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 16:48:33,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 16:48:33,637 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 16:48:33,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 16:48:33,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 16:48:33,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 16:48:33,655 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 16:48:33,655 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 16:48:33,655 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 16:48:33,656 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 16:48:33,656 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 16:48:33,656 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 16:48:33,656 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 16:48:33,656 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 16:48:33,657 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 16:48:33,657 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 16:48:33,658 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 16:48:33,658 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 16:48:33,658 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 16:48:33,658 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 16:48:33,658 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 16:48:33,659 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 16:48:33,659 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 16:48:33,659 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 16:48:33,659 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 16:48:33,660 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 16:48:33,660 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 16:48:33,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 16:48:33,660 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 16:48:33,661 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 16:48:33,661 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 16:48:33,661 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 16:48:33,661 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 16:48:33,661 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 16:48:33,662 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 16:48:33,662 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 16:48:33,662 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 16:48:33,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 16:48:33,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 16:48:33,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 16:48:33,735 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 16:48:33,735 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 16:48:33,736 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-07 16:48:33,812 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc527da47/3efe6d64e8d24b358985ac027813112b/FLAG82cd5cd9d [2018-11-07 16:48:34,334 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 16:48:34,335 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-07 16:48:34,343 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc527da47/3efe6d64e8d24b358985ac027813112b/FLAG82cd5cd9d [2018-11-07 16:48:34,358 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc527da47/3efe6d64e8d24b358985ac027813112b [2018-11-07 16:48:34,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 16:48:34,374 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 16:48:34,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 16:48:34,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 16:48:34,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 16:48:34,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e69057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34, skipping insertion in model container [2018-11-07 16:48:34,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 16:48:34,427 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 16:48:34,630 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 16:48:34,636 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 16:48:34,668 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 16:48:34,689 INFO L193 MainTranslator]: Completed translation [2018-11-07 16:48:34,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34 WrapperNode [2018-11-07 16:48:34,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 16:48:34,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 16:48:34,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 16:48:34,692 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 16:48:34,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 16:48:34,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 16:48:34,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 16:48:34,721 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 16:48:34,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (1/1) ... [2018-11-07 16:48:34,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 16:48:34,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 16:48:34,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 16:48:34,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 16:48:34,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (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 [2018-11-07 16:48:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 16:48:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 16:48:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 16:48:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 16:48:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 16:48:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 16:48:35,513 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 16:48:35,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:48:35 BoogieIcfgContainer [2018-11-07 16:48:35,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 16:48:35,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 16:48:35,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 16:48:35,519 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 16:48:35,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:48:34" (1/3) ... [2018-11-07 16:48:35,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7949d590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:48:35, skipping insertion in model container [2018-11-07 16:48:35,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:48:34" (2/3) ... [2018-11-07 16:48:35,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7949d590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:48:35, skipping insertion in model container [2018-11-07 16:48:35,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:48:35" (3/3) ... [2018-11-07 16:48:35,523 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-07 16:48:35,533 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 16:48:35,542 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 16:48:35,557 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 16:48:35,591 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 16:48:35,591 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 16:48:35,592 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 16:48:35,592 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 16:48:35,592 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 16:48:35,592 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 16:48:35,593 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 16:48:35,593 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 16:48:35,613 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-07 16:48:35,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-07 16:48:35,620 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:48:35,621 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:48:35,624 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:48:35,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:48:35,631 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2018-11-07 16:48:35,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:48:35,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:48:35,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:48:35,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:48:35,683 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:48:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:48:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 16:48:35,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:48:35,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 16:48:35,991 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:48:35,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 16:48:36,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 16:48:36,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-07 16:48:36,018 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-11-07 16:48:38,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:48:38,537 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2018-11-07 16:48:38,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 16:48:38,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-07 16:48:38,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:48:38,546 INFO L225 Difference]: With dead ends: 52 [2018-11-07 16:48:38,546 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 16:48:38,550 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 16:48:38,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 16:48:38,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 16:48:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 16:48:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 16:48:38,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-07 16:48:38,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:48:38,575 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 16:48:38,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 16:48:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 16:48:38,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 16:48:38,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 16:48:38,623 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 16:48:38,623 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-07 16:48:38,624 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 16:48:38,624 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 16:48:38,624 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-07 16:48:38,624 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 16:48:38,624 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 16:48:38,624 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2018-11-07 16:48:38,625 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2018-11-07 16:48:38,625 INFO L421 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-11-07 16:48:38,625 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2018-11-07 16:48:38,625 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2018-11-07 16:48:38,625 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2018-11-07 16:48:38,625 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2018-11-07 16:48:38,626 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-11-07 16:48:38,626 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2018-11-07 16:48:38,626 INFO L428 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2018-11-07 16:48:38,626 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2018-11-07 16:48:38,626 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-07 16:48:38,627 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2018-11-07 16:48:38,627 INFO L421 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-11-07 16:48:38,627 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2018-11-07 16:48:38,627 INFO L428 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2018-11-07 16:48:38,627 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2018-11-07 16:48:38,628 INFO L421 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-11-07 16:48:38,628 INFO L428 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2018-11-07 16:48:38,628 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2018-11-07 16:48:38,628 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2018-11-07 16:48:38,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:48:38 BoogieIcfgContainer [2018-11-07 16:48:38,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 16:48:38,646 INFO L168 Benchmark]: Toolchain (without parser) took 4272.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -752.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 16:48:38,648 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-11-07 16:48:38,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.86 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. [2018-11-07 16:48:38,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.44 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. [2018-11-07 16:48:38,651 INFO L168 Benchmark]: Boogie Preprocessor took 51.64 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. [2018-11-07 16:48:38,652 INFO L168 Benchmark]: RCFGBuilder took 741.19 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-11-07 16:48:38,653 INFO L168 Benchmark]: TraceAbstraction took 3130.11 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: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2018-11-07 16:48:38,658 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 314.86 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 29.44 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 51.64 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 741.19 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3130.11 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: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: 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: 34]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 10 SDslu, 44 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 52 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 1008 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...