java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/abstractInterpretation/regression/non_con/stmt-varupdate-assume.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:13:52,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:13:52,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:13:53,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:13:53,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:13:53,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:13:53,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:13:53,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:13:53,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:13:53,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:13:53,012 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:13:53,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:13:53,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:13:53,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:13:53,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:13:53,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:13:53,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:13:53,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:13:53,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:13:53,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:13:53,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:13:53,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:13:53,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:13:53,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:13:53,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:13:53,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:13:53,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:13:53,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:13:53,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:13:53,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:13:53,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:13:53,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:13:53,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:13:53,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:13:53,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:13:53,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:13:53,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:13:53,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:13:53,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:13:53,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:13:53,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:13:53,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:13:53,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:13:53,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:13:53,110 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:13:53,110 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:13:53,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_con/stmt-varupdate-assume.bpl [2019-08-05 11:13:53,112 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_con/stmt-varupdate-assume.bpl' [2019-08-05 11:13:53,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:13:53,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:13:53,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:53,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:13:53,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:13:53,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/1) ... [2019-08-05 11:13:53,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/1) ... [2019-08-05 11:13:53,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:53,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:13:53,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:13:53,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:13:53,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/1) ... [2019-08-05 11:13:53,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/1) ... [2019-08-05 11:13:53,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/1) ... [2019-08-05 11:13:53,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/1) ... [2019-08-05 11:13:53,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/1) ... [2019-08-05 11:13:53,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/1) ... [2019-08-05 11:13:53,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/1) ... [2019-08-05 11:13:53,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:13:53,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:13:53,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:13:53,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:13:53,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (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 [2019-08-05 11:13:53,282 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:13:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:13:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:13:53,522 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:13:53,522 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:13:53,524 INFO L202 PluginConnector]: Adding new model stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:13:53 BoogieIcfgContainer [2019-08-05 11:13:53,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:13:53,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:13:53,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:13:53,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:13:53,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:53" (1/2) ... [2019-08-05 11:13:53,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f9e02c and model type stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:13:53, skipping insertion in model container [2019-08-05 11:13:53,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:13:53" (2/2) ... [2019-08-05 11:13:53,537 INFO L109 eAbstractionObserver]: Analyzing ICFG stmt-varupdate-assume.bpl [2019-08-05 11:13:53,548 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:13:53,557 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 11:13:53,574 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 11:13:53,599 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:13:53,600 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:13:53,600 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:13:53,600 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:13:53,600 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:13:53,600 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:13:53,601 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:13:53,601 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:13:53,601 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:13:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 11:13:53,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:13:53,623 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:13:53,624 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:13:53,627 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:13:53,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:13:53,633 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:13:53,681 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:13:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:13:53,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 11:13:53,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:13:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:13:53,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:13:53,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:13:53,726 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 11:13:53,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 11:13:53,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 11:13:53,739 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 2 states. [2019-08-05 11:13:53,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:13:53,751 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-08-05 11:13:53,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 11:13:53,753 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 2 [2019-08-05 11:13:53,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:13:53,763 INFO L225 Difference]: With dead ends: 6 [2019-08-05 11:13:53,763 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 11:13:53,766 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 11:13:53,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 11:13:53,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 11:13:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 11:13:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2019-08-05 11:13:53,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 2 [2019-08-05 11:13:53,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:13:53,793 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2019-08-05 11:13:53,793 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 11:13:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2019-08-05 11:13:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 11:13:53,794 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:13:53,794 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 11:13:53,795 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:13:53,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:13:53,795 INFO L82 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2019-08-05 11:13:53,796 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:13:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:13:53,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 11:13:53,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:13:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:13:53,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:13:53,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:13:53,869 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:13:53,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:13:53,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:13:53,870 INFO L87 Difference]: Start difference. First operand 5 states and 4 transitions. Second operand 4 states. [2019-08-05 11:13:53,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:13:53,926 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2019-08-05 11:13:53,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 11:13:53,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 11:13:53,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:13:53,927 INFO L225 Difference]: With dead ends: 4 [2019-08-05 11:13:53,927 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:13:53,928 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:13:53,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:13:53,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:13:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:13:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:13:53,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-05 11:13:53,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:13:53,934 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:13:53,935 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:13:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:13:53,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:13:53,941 INFO L202 PluginConnector]: Adding new model stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:13:53 BoogieIcfgContainer [2019-08-05 11:13:53,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:13:53,944 INFO L168 Benchmark]: Toolchain (without parser) took 795.94 ms. Allocated memory is still 135.8 MB. Free memory was 113.5 MB in the beginning and 79.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:53,945 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.72 ms. Allocated memory is still 135.8 MB. Free memory was 114.5 MB in the beginning and 114.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:13:53,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.14 ms. Allocated memory is still 135.8 MB. Free memory was 113.3 MB in the beginning and 111.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:53,948 INFO L168 Benchmark]: Boogie Preprocessor took 20.54 ms. Allocated memory is still 135.8 MB. Free memory was 111.7 MB in the beginning and 110.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:53,949 INFO L168 Benchmark]: RCFGBuilder took 312.51 ms. Allocated memory is still 135.8 MB. Free memory was 110.4 MB in the beginning and 101.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:53,951 INFO L168 Benchmark]: TraceAbstraction took 411.73 ms. Allocated memory is still 135.8 MB. Free memory was 101.2 MB in the beginning and 79.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:13:53,957 INFO L335 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 0.72 ms. Allocated memory is still 135.8 MB. Free memory was 114.5 MB in the beginning and 114.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.14 ms. Allocated memory is still 135.8 MB. Free memory was 113.3 MB in the beginning and 111.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.54 ms. Allocated memory is still 135.8 MB. Free memory was 111.7 MB in the beginning and 110.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 312.51 ms. Allocated memory is still 135.8 MB. Free memory was 110.4 MB in the beginning and 101.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 411.73 ms. Allocated memory is still 135.8 MB. Free memory was 101.2 MB in the beginning and 79.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 15]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 14]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 3 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 1 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...