java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 16:08:54,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 16:08:54,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 16:08:54,630 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 16:08:54,631 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 16:08:54,632 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 16:08:54,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 16:08:54,635 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 16:08:54,637 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 16:08:54,638 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 16:08:54,639 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 16:08:54,639 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 16:08:54,640 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 16:08:54,641 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 16:08:54,643 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 16:08:54,643 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 16:08:54,644 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 16:08:54,646 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 16:08:54,649 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 16:08:54,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 16:08:54,651 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 16:08:54,653 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 16:08:54,656 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 16:08:54,656 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 16:08:54,656 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 16:08:54,658 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 16:08:54,659 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 16:08:54,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 16:08:54,660 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 16:08:54,662 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 16:08:54,662 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 16:08:54,663 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-23 16:08:54,665 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-23 16:08:54,687 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 16:08:54,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 16:08:54,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 16:08:54,689 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 16:08:54,689 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 16:08:54,689 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 16:08:54,689 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 16:08:54,690 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 16:08:54,690 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 16:08:54,690 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 16:08:54,690 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 16:08:54,690 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 16:08:54,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 16:08:54,691 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 16:08:54,692 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 16:08:54,692 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 16:08:54,692 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 16:08:54,692 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 16:08:54,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 16:08:54,693 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 16:08:54,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 16:08:54,693 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 16:08:54,693 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 16:08:54,693 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 16:08:54,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 16:08:54,694 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 16:08:54,694 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 16:08:54,694 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 16:08:54,695 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 16:08:54,695 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 16:08:54,695 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 16:08:54,695 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 16:08:54,695 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 16:08:54,696 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 16:08:54,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 16:08:54,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 16:08:54,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 16:08:54,772 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 16:08:54,772 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 16:08:54,773 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-10-23 16:08:54,843 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/068fa52ed/e7c623151ab14befa1d1178d791a5947/FLAG6e14158f8 [2018-10-23 16:08:55,285 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 16:08:55,286 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-10-23 16:08:55,293 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/068fa52ed/e7c623151ab14befa1d1178d791a5947/FLAG6e14158f8 [2018-10-23 16:08:55,310 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/068fa52ed/e7c623151ab14befa1d1178d791a5947 [2018-10-23 16:08:55,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 16:08:55,323 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 16:08:55,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 16:08:55,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 16:08:55,328 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 16:08:55,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a01169d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55, skipping insertion in model container [2018-10-23 16:08:55,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 16:08:55,367 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 16:08:55,564 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 16:08:55,570 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 16:08:55,599 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 16:08:55,622 INFO L193 MainTranslator]: Completed translation [2018-10-23 16:08:55,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55 WrapperNode [2018-10-23 16:08:55,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 16:08:55,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 16:08:55,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 16:08:55,625 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 16:08:55,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 16:08:55,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 16:08:55,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 16:08:55,676 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 16:08:55,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... [2018-10-23 16:08:55,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 16:08:55,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 16:08:55,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 16:08:55,729 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 16:08:55,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-23 16:08:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 16:08:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 16:08:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 16:08:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 16:08:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 16:08:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 16:08:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-23 16:08:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-23 16:08:56,309 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 16:08:56,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 04:08:56 BoogieIcfgContainer [2018-10-23 16:08:56,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 16:08:56,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 16:08:56,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 16:08:56,314 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 16:08:56,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 04:08:55" (1/3) ... [2018-10-23 16:08:56,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187be526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 04:08:56, skipping insertion in model container [2018-10-23 16:08:56,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 04:08:55" (2/3) ... [2018-10-23 16:08:56,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187be526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 04:08:56, skipping insertion in model container [2018-10-23 16:08:56,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 04:08:56" (3/3) ... [2018-10-23 16:08:56,319 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_true-unreach-call4_true-termination.i [2018-10-23 16:08:56,339 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 16:08:56,353 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 16:08:56,371 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 16:08:56,404 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 16:08:56,404 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 16:08:56,404 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 16:08:56,405 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 16:08:56,405 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 16:08:56,405 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 16:08:56,405 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 16:08:56,405 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 16:08:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-10-23 16:08:56,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-23 16:08:56,430 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 16:08:56,431 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 16:08:56,434 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 16:08:56,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 16:08:56,440 INFO L82 PathProgramCache]: Analyzing trace with hash 853272646, now seen corresponding path program 1 times [2018-10-23 16:08:56,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 16:08:56,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 16:08:56,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 16:08:56,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 16:08:56,495 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 16:08:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 16:08:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 16:08:56,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 16:08:56,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 16:08:56,745 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 16:08:56,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 16:08:56,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 16:08:56,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-23 16:08:56,766 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 5 states. [2018-10-23 16:08:56,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 16:08:56,983 INFO L93 Difference]: Finished difference Result 62 states and 85 transitions. [2018-10-23 16:08:56,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 16:08:56,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-10-23 16:08:56,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 16:08:56,996 INFO L225 Difference]: With dead ends: 62 [2018-10-23 16:08:56,997 INFO L226 Difference]: Without dead ends: 34 [2018-10-23 16:08:57,000 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-23 16:08:57,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-10-23 16:08:57,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2018-10-23 16:08:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-10-23 16:08:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2018-10-23 16:08:57,051 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 12 [2018-10-23 16:08:57,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 16:08:57,051 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2018-10-23 16:08:57,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 16:08:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-10-23 16:08:57,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-23 16:08:57,053 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 16:08:57,053 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 16:08:57,054 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 16:08:57,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 16:08:57,054 INFO L82 PathProgramCache]: Analyzing trace with hash 653700861, now seen corresponding path program 1 times [2018-10-23 16:08:57,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 16:08:57,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 16:08:57,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 16:08:57,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 16:08:57,056 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 16:08:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 16:08:57,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 16:08:57,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 16:08:57,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 16:08:57,146 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 16:08:57,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 16:08:57,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 16:08:57,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 16:08:57,148 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 3 states. [2018-10-23 16:08:57,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 16:08:57,178 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-10-23 16:08:57,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 16:08:57,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-10-23 16:08:57,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 16:08:57,181 INFO L225 Difference]: With dead ends: 40 [2018-10-23 16:08:57,181 INFO L226 Difference]: Without dead ends: 29 [2018-10-23 16:08:57,183 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 16:08:57,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-10-23 16:08:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2018-10-23 16:08:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-10-23 16:08:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2018-10-23 16:08:57,191 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 15 [2018-10-23 16:08:57,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 16:08:57,191 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2018-10-23 16:08:57,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 16:08:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-10-23 16:08:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-23 16:08:57,193 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 16:08:57,193 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 16:08:57,193 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 16:08:57,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 16:08:57,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1313509780, now seen corresponding path program 1 times [2018-10-23 16:08:57,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 16:08:57,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 16:08:57,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 16:08:57,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 16:08:57,196 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 16:08:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 16:08:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 16:08:57,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 16:08:57,789 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 16:08:57,790 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 21 with the following transitions: [2018-10-23 16:08:57,792 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [17], [44], [47], [49], [52], [54], [55], [56], [57], [59], [60] [2018-10-23 16:08:57,845 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 16:08:57,845 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 16:08:57,986 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 16:08:58,311 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-23 16:08:58,313 INFO L272 AbstractInterpreter]: Visited 16 different actions 26 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 30 variables. [2018-10-23 16:08:58,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 16:08:58,369 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-23 16:08:58,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 16:08:58,369 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 16:08:58,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 16:08:58,386 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-23 16:09:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-23 16:09:10,463 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-23 16:09:10,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-23 16:09:10,463 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-23 16:09:10,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-23 16:09:10,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-23 16:09:10,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-10-23 16:09:10,465 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 10 states. [2018-10-23 16:09:12,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 16:09:12,332 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2018-10-23 16:09:12,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-23 16:09:12,332 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2018-10-23 16:09:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 16:09:12,335 INFO L225 Difference]: With dead ends: 48 [2018-10-23 16:09:12,335 INFO L226 Difference]: Without dead ends: 46 [2018-10-23 16:09:12,336 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-10-23 16:09:12,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-23 16:09:12,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 30. [2018-10-23 16:09:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-23 16:09:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2018-10-23 16:09:12,345 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 20 [2018-10-23 16:09:12,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 16:09:12,346 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2018-10-23 16:09:12,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-23 16:09:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-10-23 16:09:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-23 16:09:12,347 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 16:09:12,348 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 16:09:12,348 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 16:09:12,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 16:09:12,348 INFO L82 PathProgramCache]: Analyzing trace with hash 2042551023, now seen corresponding path program 1 times [2018-10-23 16:09:12,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 16:09:12,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 16:09:12,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 16:09:12,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 16:09:12,350 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 16:09:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-23 16:13:43,743 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1428) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$MixedLAInterpolator.convert(Interpolator.java:1284) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.mixedPivotLA(Interpolator.java:1474) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.combine(Interpolator.java:359) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$2(Interpolator.java:328) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$CombineInterpolants.walk(Interpolator.java:153) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:216) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-23 16:13:43,748 INFO L168 Benchmark]: Toolchain (without parser) took 288425.79 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-23 16:13:43,750 INFO L168 Benchmark]: CDTParser took 0.27 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. [2018-10-23 16:13:43,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.58 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. [2018-10-23 16:13:43,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.32 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. [2018-10-23 16:13:43,753 INFO L168 Benchmark]: Boogie Preprocessor took 52.28 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. [2018-10-23 16:13:43,753 INFO L168 Benchmark]: RCFGBuilder took 581.40 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 697.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -725.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2018-10-23 16:13:43,755 INFO L168 Benchmark]: TraceAbstraction took 287436.09 ms. Allocated memory was 2.2 GB in the beginning and 3.8 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-23 16:13:43,765 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 299.58 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 51.32 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 52.28 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 581.40 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 697.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -725.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 287436.09 ms. Allocated memory was 2.2 GB in the beginning and 3.8 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1428) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown