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/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181015-LoopsPathprograms/gauss_sum_true-unreach-call_true-termination.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 12:34:59,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 12:34:59,206 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 12:34:59,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 12:34:59,228 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 12:34:59,231 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 12:34:59,232 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 12:34:59,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 12:34:59,239 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 12:34:59,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 12:34:59,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-15 12:34:59,243 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-15 12:34:59,246 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-15 12:34:59,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-15 12:34:59,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-15 12:34:59,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-15 12:34:59,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-15 12:34:59,260 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-15 12:34:59,266 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-15 12:34:59,269 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-15 12:34:59,272 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-15 12:34:59,273 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-15 12:34:59,277 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-15 12:34:59,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-15 12:34:59,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-15 12:34:59,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-15 12:34:59,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-15 12:34:59,280 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-15 12:34:59,281 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-15 12:34:59,284 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-15 12:34:59,285 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-15 12:34:59,286 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-15 12:34:59,286 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-15 12:34:59,287 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-15 12:34:59,287 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-15 12:34:59,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-15 12:34:59,291 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-15 12:34:59,306 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 12:34:59,306 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 12:34:59,308 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 12:34:59,308 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 12:34:59,309 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 12:34:59,309 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 12:34:59,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 12:34:59,310 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 12:34:59,310 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 12:34:59,311 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 12:34:59,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 12:34:59,311 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 12:34:59,311 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 12:34:59,312 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 12:34:59,312 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 12:34:59,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 12:34:59,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 12:34:59,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 12:34:59,401 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 12:34:59,402 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 12:34:59,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/gauss_sum_true-unreach-call_true-termination.i_3.bpl [2018-10-15 12:34:59,403 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/gauss_sum_true-unreach-call_true-termination.i_3.bpl' [2018-10-15 12:34:59,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 12:34:59,463 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-15 12:34:59,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 12:34:59,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 12:34:59,464 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 12:34:59,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:34:59" (1/1) ... [2018-10-15 12:34:59,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:34:59" (1/1) ... [2018-10-15 12:34:59,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:34:59" (1/1) ... [2018-10-15 12:34:59,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:34:59" (1/1) ... [2018-10-15 12:34:59,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:34:59" (1/1) ... [2018-10-15 12:34:59,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:34:59" (1/1) ... [2018-10-15 12:34:59,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:34:59" (1/1) ... [2018-10-15 12:34:59,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 12:34:59,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 12:34:59,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 12:34:59,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 12:34:59,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:34:59" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-15 12:34:59,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 12:34:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 12:34:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 12:34:59,885 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 12:34:59,886 INFO L202 PluginConnector]: Adding new model gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:34:59 BoogieIcfgContainer [2018-10-15 12:34:59,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 12:34:59,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 12:34:59,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 12:34:59,891 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 12:34:59,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:34:59" (1/2) ... [2018-10-15 12:34:59,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ece2c3 and model type gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:34:59, skipping insertion in model container [2018-10-15 12:34:59,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:34:59" (2/2) ... [2018-10-15 12:34:59,895 INFO L112 eAbstractionObserver]: Analyzing ICFG gauss_sum_true-unreach-call_true-termination.i_3.bpl [2018-10-15 12:34:59,906 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 12:34:59,916 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 12:34:59,936 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 12:34:59,967 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 12:34:59,967 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 12:34:59,968 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 12:34:59,968 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 12:34:59,968 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 12:34:59,968 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 12:34:59,968 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 12:34:59,969 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 12:34:59,969 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 12:34:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-10-15 12:35:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-15 12:35:00,020 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:35:00,021 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:35:00,022 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:35:00,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:35:00,033 INFO L82 PathProgramCache]: Analyzing trace with hash 2145719470, now seen corresponding path program 1 times [2018-10-15 12:35:00,096 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:35:00,129 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-15 12:35:00,129 INFO L285 seRefinementStrategy]: Strategy FixedRefinementStrategy was unsuccessful and could not determine trace feasibility. [2018-10-15 12:35:00,129 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-15 12:35:00,148 WARN L208 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-10-15 12:35:00,148 INFO L202 PluginConnector]: Adding new model gauss_sum_true-unreach-call_true-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:35:00 BoogieIcfgContainer [2018-10-15 12:35:00,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 12:35:00,150 INFO L168 Benchmark]: Toolchain (without parser) took 687.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-15 12:35:00,152 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-10-15 12:35:00,153 INFO L168 Benchmark]: Boogie Preprocessor took 47.21 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. [2018-10-15 12:35:00,154 INFO L168 Benchmark]: RCFGBuilder took 375.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-15 12:35:00,155 INFO L168 Benchmark]: TraceAbstraction took 261.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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. [2018-10-15 12:35:00,159 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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. * Boogie Preprocessor took 47.21 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. * RCFGBuilder took 375.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 45]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L14] havoc main_#res; [L15] havoc main_#t~nondet1, main_~n~0, main_#t~post2, main_~i~0, main_~sum~0; [L16] havoc main_~n~0; [L17] havoc main_~sum~0; [L18] havoc main_~i~0; [L19] assume 0 <= main_#t~nondet1 + 2147483648 && main_#t~nondet1 <= 2147483647; [L20] main_~n~0 := main_#t~nondet1; [L21] havoc main_#t~nondet1; [L22] assume 1 <= main_~n~0 && main_~n~0 <= 1000; [L23] main_~sum~0 := 0; [L24] main_~i~0 := 1; [L31] assume !(main_~i~0 <= main_~n~0); [L32] __VERIFIER_assert_#in~cond := (if 2 * main_~sum~0 == main_~n~0 * (main_~n~0 + 1) then 1 else 0); [L33] havoc __VERIFIER_assert_~cond; [L34] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L35] assume 0 == __VERIFIER_assert_~cond; [L45] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. UNKNOWN Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum_true-unreach-call_true-termination.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-15_12-35-00-170.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum_true-unreach-call_true-termination.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_12-35-00-170.csv Received shutdown request...