java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:54:52,782 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:54:52,784 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:54:52,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:54:52,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:54:52,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:54:52,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:54:52,801 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:54:52,802 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:54:52,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:54:52,804 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:54:52,804 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:54:52,805 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:54:52,806 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:54:52,807 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:54:52,808 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:54:52,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:54:52,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:54:52,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:54:52,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:54:52,815 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:54:52,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:54:52,819 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:54:52,820 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:54:52,820 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:54:52,821 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:54:52,822 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:54:52,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:54:52,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:54:52,827 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:54:52,829 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:54:52,830 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:54:52,832 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:54:52,832 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:54:52,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:54:52,836 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:54:52,836 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:54:52,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:54:52,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:54:52,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:54:52,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:54:52,856 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:54:52,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:54:52,856 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:54:52,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:54:52,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:54:52,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:54:52,925 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:54:52,925 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:54:52,926 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_2.i_3.bpl [2018-09-26 08:54:52,926 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_2.i_3.bpl' [2018-09-26 08:54:52,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:54:52,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:54:52,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:54:52,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:54:52,980 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:54:53,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/1) ... [2018-09-26 08:54:53,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/1) ... [2018-09-26 08:54:53,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:54:53,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:54:53,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:54:53,020 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:54:53,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/1) ... [2018-09-26 08:54:53,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/1) ... [2018-09-26 08:54:53,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/1) ... [2018-09-26 08:54:53,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/1) ... [2018-09-26 08:54:53,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/1) ... [2018-09-26 08:54:53,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/1) ... [2018-09-26 08:54:53,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/1) ... [2018-09-26 08:54:53,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:54:53,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:54:53,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:54:53,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:54:53,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (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 [2018-09-26 08:54:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:54:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:54:53,399 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:54:53,400 INFO L202 PluginConnector]: Adding new model num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:54:53 BoogieIcfgContainer [2018-09-26 08:54:53,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:54:53,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:54:53,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:54:53,406 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:54:53,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:52" (1/2) ... [2018-09-26 08:54:53,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3541e015 and model type num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:54:53, skipping insertion in model container [2018-09-26 08:54:53,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:54:53" (2/2) ... [2018-09-26 08:54:53,410 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_2.i_3.bpl [2018-09-26 08:54:53,422 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:54:53,437 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:54:53,495 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:54:53,496 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:54:53,496 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:54:53,497 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:54:53,497 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:54:53,497 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:54:53,497 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:54:53,498 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:54:53,498 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:54:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:54:53,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:54:53,529 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:54:53,530 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:54:53,532 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:54:53,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:54:53,539 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:54:53,565 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:54:53,955 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:54:53,955 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:54:53,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:54:53,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:54:53,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:54:53,968 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:54:54,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:54:54,011 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:54:54,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:54:54,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:54:54,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:54:54,034 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:54:54,034 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:54:54,038 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:54:54,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:54:54,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:54:54,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:54:54,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:54:54,082 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:54:54,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:54:54,083 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:54:54,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:54:54,083 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:54:54,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:54:54,084 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:54:54,084 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:54:54,084 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:54:54,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:54:54,085 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:54:54,095 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:54:55,057 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-26 08:54:55,597 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-26 08:54:57,777 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-09-26 08:54:59,285 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-09-26 08:55:01,528 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2018-09-26 08:55:05,864 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-09-26 08:55:05,881 INFO L202 PluginConnector]: Adding new model num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:55:05 BoogieIcfgContainer [2018-09-26 08:55:05,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:55:05,882 INFO L168 Benchmark]: Toolchain (without parser) took 12906.25 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 8.9 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 4.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:55:05,884 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:55:05,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.48 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:55:05,885 INFO L168 Benchmark]: Boogie Preprocessor took 20.81 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:55:05,885 INFO L168 Benchmark]: RCFGBuilder took 359.70 ms. Allocated memory is still 1.6 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. [2018-09-26 08:55:05,886 INFO L168 Benchmark]: TraceAbstraction took 12479.66 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 8.9 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -16.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:55:05,897 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 0.14 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.48 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.81 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 359.70 ms. Allocated memory is still 1.6 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 12479.66 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 8.9 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -16.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 46]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: overapproximation of shiftLeft at line 39, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L15] havoc main_#res; [L16] havoc main_#t~nondet0, main_~i~6, main_~bit~6, main_~x~5, main_~y~5, main_~c~5; [L17] main_~x~5 := main_#t~nondet0; [L18] havoc main_#t~nondet0; [L19] havoc main_~y~5; [L20] havoc main_~c~5; [L21] main_~y~5 := 0; [L22] main_~c~5 := 0; [L25] assume true; [L38] assume !!(main_~c~5 % 256 < 8); [L39] main_~i~6 := ~shiftLeft(1, main_~c~5 % 256); [L40] main_~bit~6 := ~bitwiseAnd(main_~x~5 % 256, main_~i~6 % 256); [L41] assume main_~bit~6 % 256 != 0; [L42] main_~y~5 := main_~y~5 % 256 + main_~i~6 % 256; [L43] main_~c~5 := main_~c~5 % 256 + 1; [L25] assume true; [L30] assume !(main_~c~5 % 256 < 8); [L31] __VERIFIER_assert_#in~cond := (if main_~x~5 % 256 == main_~y~5 % 256 then 1 else 0); [L32] havoc __VERIFIER_assert_~cond; [L33] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L34] assume __VERIFIER_assert_~cond == 0; [L35] assume !false; [L46] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNSAFE Result, 12.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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: 12.0s PdrRuntime, 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/num_conversion_2.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-55-05-917.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/num_conversion_2.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-55-05-917.csv Received shutdown request...