java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:48:00,622 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:48:00,624 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:48:00,638 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:48:00,639 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:48:00,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:48:00,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:48:00,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:48:00,645 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:48:00,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:48:00,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:48:00,647 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:48:00,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:48:00,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:48:00,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:48:00,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:48:00,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:48:00,653 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:48:00,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:48:00,657 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:48:00,658 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:48:00,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:48:00,661 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:48:00,661 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:48:00,662 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:48:00,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:48:00,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:48:00,664 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:48:00,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:48:00,666 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:48:00,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:48:00,667 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:48:00,668 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:48:00,668 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:48:00,669 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:48:00,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:48:00,670 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 15:48:00,687 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:48:00,687 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:48:00,688 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:48:00,689 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:48:00,689 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:48:00,689 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:48:00,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:48:00,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:48:00,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:48:00,750 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:48:00,750 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:48:00,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-07-23 15:48:00,751 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl' [2018-07-23 15:48:00,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:48:00,800 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:48:00,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:48:00,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:48:00,801 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:48:00,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:00" (1/1) ... [2018-07-23 15:48:00,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:00" (1/1) ... [2018-07-23 15:48:00,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:00" (1/1) ... [2018-07-23 15:48:00,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:00" (1/1) ... [2018-07-23 15:48:00,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:00" (1/1) ... [2018-07-23 15:48:00,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:00" (1/1) ... [2018-07-23 15:48:00,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:00" (1/1) ... [2018-07-23 15:48:00,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:48:00,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:48:00,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:48:00,846 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:48:00,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:00" (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 [2018-07-23 15:48:00,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 15:48:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:48:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:48:01,167 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:48:01,167 INFO L202 PluginConnector]: Adding new model interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:48:01 BoogieIcfgContainer [2018-07-23 15:48:01,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:48:01,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:48:01,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:48:01,173 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:48:01,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:00" (1/2) ... [2018-07-23 15:48:01,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c42d5df and model type interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:48:01, skipping insertion in model container [2018-07-23 15:48:01,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:48:01" (2/2) ... [2018-07-23 15:48:01,177 INFO L112 eAbstractionObserver]: Analyzing ICFG interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-07-23 15:48:01,187 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:48:01,196 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:48:01,248 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:48:01,249 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:48:01,250 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:48:01,250 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:48:01,250 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:48:01,250 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:48:01,251 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:48:01,251 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:48:01,251 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:48:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 15:48:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 15:48:01,286 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:48:01,287 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 15:48:01,288 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:48:01,294 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-07-23 15:48:01,303 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:48:01,649 WARN L169 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2018-07-23 15:48:01,722 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:48:01,723 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:48:01,727 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:48:01,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:48:01,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:48:01,735 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 15:48:01,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:48:01,764 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-23 15:48:01,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:48:01,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 15:48:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:48:01,778 INFO L225 Difference]: With dead ends: 8 [2018-07-23 15:48:01,779 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 15:48:01,782 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:48:01,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 15:48:01,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 15:48:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 15:48:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 15:48:01,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 15:48:01,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:48:01,814 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 15:48:01,814 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:48:01,815 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 15:48:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:48:01,815 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:48:01,815 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:48:01,816 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:48:01,816 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, now seen corresponding path program 1 times [2018-07-23 15:48:01,816 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:48:02,280 WARN L169 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 14 [2018-07-23 15:48:02,708 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-07-23 15:48:03,333 WARN L169 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-07-23 15:48:04,475 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-07-23 15:48:05,755 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-07-23 15:48:06,127 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-07-23 15:48:06,861 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-07-23 15:48:07,416 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-07-23 15:48:07,893 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-07-23 15:48:08,386 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-07-23 15:48:08,606 INFO L419 BasicCegarLoop]: Counterexample might be feasible [2018-07-23 15:48:08,623 INFO L202 PluginConnector]: Adding new model interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:48:08 BoogieIcfgContainer [2018-07-23 15:48:08,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:48:08,624 INFO L168 Benchmark]: Toolchain (without parser) took 7824.97 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 36.2 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 267.7 MB). Peak memory consumption was 303.8 MB. Max. memory is 7.1 GB. [2018-07-23 15:48:08,625 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. [2018-07-23 15:48:08,625 INFO L168 Benchmark]: Boogie Preprocessor took 45.06 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. [2018-07-23 15:48:08,626 INFO L168 Benchmark]: RCFGBuilder took 321.63 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 15:48:08,627 INFO L168 Benchmark]: TraceAbstraction took 7453.70 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 36.2 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 246.5 MB). Peak memory consumption was 282.7 MB. Max. memory is 7.1 GB. [2018-07-23 15:48:08,631 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 45.06 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 321.63 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7453.70 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 36.2 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 246.5 MB). Peak memory consumption was 282.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 61]: assertion can be violated assertion can be violated We found a FailurePath: [L18] havoc main_#res; [L19] havoc main_#t~nondet0, main_~yy~5, main_~z~5, main_#t~nondet1, main_~xx~5, main_~x~5, main_~y~5, main_~zz~5, main_~i~5; [L20] main_~x~5 := main_#t~nondet0; [L21] havoc main_#t~nondet0; [L22] main_~y~5 := main_#t~nondet1; [L23] havoc main_#t~nondet1; [L24] havoc main_~xx~5; [L25] havoc main_~yy~5; [L26] havoc main_~zz~5; [L27] main_~z~5 := 0; [L28] main_~i~5 := 0; [L56] assume 0 <= main_~i~5 && main_~i~5 < 16; [L57] havoc main_~z~5; [L58] main_~i~5 := main_~i~5 + 1; [L35] assume main_~i~5 < 4294967296 && !(main_~i~5 < 16); [L36] assume main_~x~5 < -65536; [L37] main_~xx~5 := main_~x~5 % 65536; [L38] assume main_~y~5 < -65536; [L39] main_~yy~5 := main_~y~5 % 65536; [L40] havoc main_~xx~5; [L41] havoc main_~xx~5; [L42] havoc main_~xx~5; [L43] havoc main_~xx~5; [L44] havoc main_~yy~5; [L45] havoc main_~yy~5; [L46] havoc main_~yy~5; [L47] havoc main_~yy~5; [L48] havoc main_~zz~5; [L49] assume (((main_~zz~5 < 4294967296 && 0 <= main_~zz~5) && -4294967296 <= main_~z~5) && main_~z~5 < 0) && !(main_~z~5 + 4294967296 == main_~zz~5); [L50] __VERIFIER_assert_#in~cond := 0; [L51] havoc __VERIFIER_assert_~cond; [L52] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L53] assume __VERIFIER_assert_~cond == 0; [L61] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. UNSAFE Result, 7.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 7.1s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-48-08-643.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/interleave_bits.i_3.bplTransformedIcfg_BEv2_4.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-48-08-643.csv Received shutdown request...