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/phases_true-unreach-call2_false-termination.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 12:38:31,182 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 12:38:31,184 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 12:38:31,196 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 12:38:31,196 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 12:38:31,197 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 12:38:31,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 12:38:31,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 12:38:31,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 12:38:31,203 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 12:38:31,204 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-15 12:38:31,204 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-15 12:38:31,205 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-15 12:38:31,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-15 12:38:31,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-15 12:38:31,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-15 12:38:31,209 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-15 12:38:31,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-15 12:38:31,213 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-15 12:38:31,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-15 12:38:31,216 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-15 12:38:31,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-15 12:38:31,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-15 12:38:31,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-15 12:38:31,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-15 12:38:31,222 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-15 12:38:31,223 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-15 12:38:31,224 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-15 12:38:31,225 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-15 12:38:31,226 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-15 12:38:31,226 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-15 12:38:31,227 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-15 12:38:31,230 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 12:38:31,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 12:38:31,240 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 12:38:31,241 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 12:38:31,241 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 12:38:31,241 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 12:38:31,241 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 12:38:31,242 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 12:38:31,242 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 12:38:31,242 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 12:38:31,243 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 12:38:31,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 12:38:31,243 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 12:38:31,243 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 12:38:31,244 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 12:38:31,244 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 12:38:31,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 12:38:31,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 12:38:31,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 12:38:31,329 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 12:38:31,330 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 12:38:31,331 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/phases_true-unreach-call2_false-termination.i_3.bpl [2018-10-15 12:38:31,331 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/phases_true-unreach-call2_false-termination.i_3.bpl' [2018-10-15 12:38:31,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 12:38:31,384 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-15 12:38:31,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 12:38:31,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 12:38:31,385 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 12:38:31,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:38:31" (1/1) ... [2018-10-15 12:38:31,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:38:31" (1/1) ... [2018-10-15 12:38:31,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:38:31" (1/1) ... [2018-10-15 12:38:31,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:38:31" (1/1) ... [2018-10-15 12:38:31,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:38:31" (1/1) ... [2018-10-15 12:38:31,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:38:31" (1/1) ... [2018-10-15 12:38:31,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:38:31" (1/1) ... [2018-10-15 12:38:31,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 12:38:31,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 12:38:31,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 12:38:31,435 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 12:38:31,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:38:31" (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 12:38:31,506 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 12:38:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 12:38:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 12:38:31,740 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 12:38:31,740 INFO L202 PluginConnector]: Adding new model phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:38:31 BoogieIcfgContainer [2018-10-15 12:38:31,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 12:38:31,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 12:38:31,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 12:38:31,745 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 12:38:31,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 12:38:31" (1/2) ... [2018-10-15 12:38:31,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b539081 and model type phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:38:31, skipping insertion in model container [2018-10-15 12:38:31,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:38:31" (2/2) ... [2018-10-15 12:38:31,749 INFO L112 eAbstractionObserver]: Analyzing ICFG phases_true-unreach-call2_false-termination.i_3.bpl [2018-10-15 12:38:31,759 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 12:38:31,770 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 12:38:31,789 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 12:38:31,820 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 12:38:31,821 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 12:38:31,821 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 12:38:31,821 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 12:38:31,821 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 12:38:31,822 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 12:38:31,822 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 12:38:31,822 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 12:38:31,822 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 12:38:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-10-15 12:38:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-15 12:38:31,857 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:38:31,859 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 12:38:31,861 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:38:31,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:38:31,871 INFO L82 PathProgramCache]: Analyzing trace with hash -495131634, now seen corresponding path program 1 times [2018-10-15 12:38:31,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:38:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 12:38:32,635 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2018-10-15 12:38:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 12:38:32,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 12:38:32,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-15 12:38:32,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-15 12:38:32,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-15 12:38:32,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-15 12:38:32,719 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 7 states. [2018-10-15 12:38:33,266 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2018-10-15 12:38:33,446 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2018-10-15 12:38:33,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 12:38:33,484 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-10-15 12:38:33,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-15 12:38:33,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-10-15 12:38:33,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 12:38:33,498 INFO L225 Difference]: With dead ends: 25 [2018-10-15 12:38:33,499 INFO L226 Difference]: Without dead ends: 21 [2018-10-15 12:38:33,501 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-10-15 12:38:33,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-10-15 12:38:33,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2018-10-15 12:38:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-10-15 12:38:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-10-15 12:38:33,540 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2018-10-15 12:38:33,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 12:38:33,541 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-10-15 12:38:33,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-15 12:38:33,541 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-10-15 12:38:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-15 12:38:33,542 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 12:38:33,543 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 12:38:33,543 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 12:38:33,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 12:38:33,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1118316328, now seen corresponding path program 1 times [2018-10-15 12:38:33,545 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 12:38:33,551 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-15 12:38:33,552 INFO L285 seRefinementStrategy]: Strategy FixedRefinementStrategy was unsuccessful and could not determine trace feasibility. [2018-10-15 12:38:33,552 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-15 12:38:33,570 WARN L208 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-10-15 12:38:33,571 INFO L202 PluginConnector]: Adding new model phases_true-unreach-call2_false-termination.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:38:33 BoogieIcfgContainer [2018-10-15 12:38:33,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 12:38:33,572 INFO L168 Benchmark]: Toolchain (without parser) took 2189.18 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-15 12:38:33,573 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 12:38:33,574 INFO L168 Benchmark]: Boogie Preprocessor took 49.72 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 12:38:33,575 INFO L168 Benchmark]: RCFGBuilder took 306.00 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 12:38:33,576 INFO L168 Benchmark]: TraceAbstraction took 1829.24 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-15 12:38:33,580 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 49.72 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 306.00 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 1829.24 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 39]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L13] havoc main_#res; [L14] havoc main_#t~nondet1, main_~y~0, main_#t~post2, main_~x~0; [L15] main_~x~0 := 1; [L16] main_~y~0 := main_#t~nondet1; [L17] havoc main_#t~nondet1; [L18] assume 0 < main_~y~0 % 4294967296; [L32] assume main_~x~0 % 4294967296 < main_~y~0 % 4294967296; [L33] assume !(main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && !(main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) == 0) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) + -1 else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) + 1) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296); [L34] main_#t~post2 := main_~x~0; [L35] main_~x~0 := main_#t~post2 + 1; [L36] havoc main_#t~post2; [L25] assume !(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); [L26] __VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 == main_~x~0 % 4294967296 then 1 else 0); [L27] havoc __VERIFIER_assert_~cond; [L28] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L29] assume 0 == __VERIFIER_assert_~cond; [L39] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. UNKNOWN Result, 1.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 20 SDslu, 40 SDs, 0 SdLazy, 46 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 924 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 could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/phases_true-unreach-call2_false-termination.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-15_12-38-33-592.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/phases_true-unreach-call2_false-termination.i_3.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_12-38-33-592.csv Received shutdown request...