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/20181010-MemSafetyPathprograms/test-bitfields-2_false-valid-deref.i_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:15:44,405 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:15:44,407 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:15:44,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:15:44,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:15:44,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:15:44,422 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:15:44,424 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:15:44,426 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:15:44,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:15:44,427 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 21:15:44,428 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 21:15:44,429 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 21:15:44,430 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 21:15:44,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 21:15:44,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 21:15:44,433 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 21:15:44,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 21:15:44,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 21:15:44,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 21:15:44,440 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 21:15:44,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 21:15:44,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-12 21:15:44,454 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 21:15:44,463 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:15:44,463 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:15:44,464 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:15:44,464 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:15:44,465 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:15:44,465 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:15:44,466 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:15:44,466 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:15:44,466 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:15:44,466 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:15:44,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:15:44,467 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:15:44,467 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:15:44,468 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:15:44,468 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:15:44,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:15:44,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:15:44,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:15:44,548 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:15:44,549 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:15:44,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_false-valid-deref.i_15.bpl [2018-10-12 21:15:44,553 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_false-valid-deref.i_15.bpl' [2018-10-12 21:15:44,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:15:44,656 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:15:44,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:15:44,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:15:44,657 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:15:44,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:44" (1/1) ... [2018-10-12 21:15:44,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:44" (1/1) ... [2018-10-12 21:15:44,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:44" (1/1) ... [2018-10-12 21:15:44,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:44" (1/1) ... [2018-10-12 21:15:44,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:44" (1/1) ... [2018-10-12 21:15:44,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:44" (1/1) ... [2018-10-12 21:15:44,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:44" (1/1) ... [2018-10-12 21:15:44,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:15:44,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:15:44,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:15:44,740 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:15:44,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:44" (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 [2018-10-12 21:15:44,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:15:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:15:44,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:15:45,585 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:15:45,585 INFO L202 PluginConnector]: Adding new model test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:45 BoogieIcfgContainer [2018-10-12 21:15:45,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:15:45,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:15:45,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:15:45,591 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:15:45,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:44" (1/2) ... [2018-10-12 21:15:45,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a28a2c and model type test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:15:45, skipping insertion in model container [2018-10-12 21:15:45,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:45" (2/2) ... [2018-10-12 21:15:45,594 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2_false-valid-deref.i_15.bpl [2018-10-12 21:15:45,605 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:15:45,614 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:15:45,632 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:15:45,662 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:15:45,663 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:15:45,663 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:15:45,663 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:15:45,663 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:15:45,663 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:15:45,664 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:15:45,664 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:15:45,664 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:15:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-10-12 21:15:45,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-12 21:15:45,699 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:45,700 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:15:45,702 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:45,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:45,708 INFO L82 PathProgramCache]: Analyzing trace with hash -926031366, now seen corresponding path program 1 times [2018-10-12 21:15:45,759 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:46,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:15:46,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:15:46,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-12 21:15:46,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-12 21:15:46,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-12 21:15:46,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 21:15:46,238 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 4 states. [2018-10-12 21:15:46,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:46,371 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-10-12 21:15:46,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-12 21:15:46,375 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2018-10-12 21:15:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:46,390 INFO L225 Difference]: With dead ends: 123 [2018-10-12 21:15:46,391 INFO L226 Difference]: Without dead ends: 123 [2018-10-12 21:15:46,393 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 21:15:46,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-10-12 21:15:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2018-10-12 21:15:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-10-12 21:15:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-10-12 21:15:46,440 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 117 [2018-10-12 21:15:46,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:46,442 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-10-12 21:15:46,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-12 21:15:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-10-12 21:15:46,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-12 21:15:46,446 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:46,446 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:15:46,447 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:46,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:46,447 INFO L82 PathProgramCache]: Analyzing trace with hash 420361889, now seen corresponding path program 1 times [2018-10-12 21:15:46,449 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:15:46,687 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:46,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-12 21:15:46,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-12 21:15:46,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-12 21:15:46,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-12 21:15:46,691 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 5 states. [2018-10-12 21:15:46,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:46,922 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-10-12 21:15:46,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-12 21:15:46,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-10-12 21:15:46,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:46,926 INFO L225 Difference]: With dead ends: 126 [2018-10-12 21:15:46,926 INFO L226 Difference]: Without dead ends: 126 [2018-10-12 21:15:46,927 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:15:46,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-10-12 21:15:46,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2018-10-12 21:15:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-10-12 21:15:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-10-12 21:15:46,940 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 120 [2018-10-12 21:15:46,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:46,941 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-10-12 21:15:46,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-12 21:15:46,941 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-10-12 21:15:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-12 21:15:46,944 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:46,944 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:15:46,945 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:46,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:46,945 INFO L82 PathProgramCache]: Analyzing trace with hash 122244250, now seen corresponding path program 2 times [2018-10-12 21:15:46,946 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:15:47,138 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:47,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-12 21:15:47,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 21:15:47,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 21:15:47,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:15:47,140 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 6 states. [2018-10-12 21:15:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:47,302 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-10-12 21:15:47,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 21:15:47,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-10-12 21:15:47,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:47,305 INFO L225 Difference]: With dead ends: 129 [2018-10-12 21:15:47,305 INFO L226 Difference]: Without dead ends: 129 [2018-10-12 21:15:47,306 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-12 21:15:47,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-10-12 21:15:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2018-10-12 21:15:47,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-10-12 21:15:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-10-12 21:15:47,317 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 123 [2018-10-12 21:15:47,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:47,317 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-10-12 21:15:47,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 21:15:47,318 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-10-12 21:15:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-12 21:15:47,320 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:47,320 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:15:47,321 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:47,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:47,321 INFO L82 PathProgramCache]: Analyzing trace with hash 892028929, now seen corresponding path program 3 times [2018-10-12 21:15:47,322 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:15:47,583 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:47,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-12 21:15:47,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-12 21:15:47,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-12 21:15:47,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-12 21:15:47,585 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 7 states. [2018-10-12 21:15:48,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:48,042 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-10-12 21:15:48,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-12 21:15:48,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2018-10-12 21:15:48,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:48,047 INFO L225 Difference]: With dead ends: 132 [2018-10-12 21:15:48,047 INFO L226 Difference]: Without dead ends: 132 [2018-10-12 21:15:48,050 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-12 21:15:48,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-10-12 21:15:48,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2018-10-12 21:15:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-10-12 21:15:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-10-12 21:15:48,059 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 126 [2018-10-12 21:15:48,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:48,060 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-10-12 21:15:48,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-12 21:15:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-10-12 21:15:48,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-12 21:15:48,062 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:48,063 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:15:48,063 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:48,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:48,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1577959622, now seen corresponding path program 4 times [2018-10-12 21:15:48,064 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:15:48,329 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:48,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-12 21:15:48,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-12 21:15:48,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-12 21:15:48,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-10-12 21:15:48,331 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 8 states. [2018-10-12 21:15:48,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:48,785 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-10-12 21:15:48,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-12 21:15:48,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 129 [2018-10-12 21:15:48,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:48,787 INFO L225 Difference]: With dead ends: 133 [2018-10-12 21:15:48,788 INFO L226 Difference]: Without dead ends: 133 [2018-10-12 21:15:48,788 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2018-10-12 21:15:48,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-12 21:15:48,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-10-12 21:15:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-10-12 21:15:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-10-12 21:15:48,798 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 129 [2018-10-12 21:15:48,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:48,799 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-10-12 21:15:48,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-12 21:15:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-10-12 21:15:48,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-12 21:15:48,801 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:48,801 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:15:48,802 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:48,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:48,802 INFO L82 PathProgramCache]: Analyzing trace with hash 667799905, now seen corresponding path program 5 times [2018-10-12 21:15:48,803 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-12 21:15:49,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:15:49,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-12 21:15:49,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-12 21:15:49,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-12 21:15:49,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-12 21:15:49,285 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 8 states. [2018-10-12 21:15:49,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:49,609 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-10-12 21:15:49,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-12 21:15:49,610 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2018-10-12 21:15:49,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:49,611 INFO L225 Difference]: With dead ends: 131 [2018-10-12 21:15:49,611 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:15:49,611 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-12 21:15:49,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:15:49,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:15:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:15:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:15:49,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2018-10-12 21:15:49,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:49,612 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:15:49,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-12 21:15:49,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:15:49,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:15:49,618 INFO L202 PluginConnector]: Adding new model test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:15:49 BoogieIcfgContainer [2018-10-12 21:15:49,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:15:49,619 INFO L168 Benchmark]: Toolchain (without parser) took 4964.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 325.6 MB). Peak memory consumption was 325.6 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:49,621 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 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. [2018-10-12 21:15:49,622 INFO L168 Benchmark]: Boogie Preprocessor took 82.05 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. [2018-10-12 21:15:49,622 INFO L168 Benchmark]: RCFGBuilder took 846.60 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:49,623 INFO L168 Benchmark]: TraceAbstraction took 4030.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 296.0 MB). Peak memory consumption was 296.0 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:49,632 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 0.26 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 82.05 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 846.60 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4030.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 296.0 MB). Peak memory consumption was 296.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 6 OverallIterations, 5 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 652 SDtfs, 448 SDslu, 1896 SDs, 0 SdLazy, 278 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=5, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 741 ConstructedInterpolants, 0 QuantifiedInterpolants, 220047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 35/75 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2_false-valid-deref.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-15-49-649.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2_false-valid-deref.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-15-49-649.csv Received shutdown request...