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-2.1_true-valid-memsafety_true-termination.i_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:15:16,694 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:15:16,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:15:16,714 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:15:16,714 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:15:16,716 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:15:16,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:15:16,720 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:15:16,723 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:15:16,724 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:15:16,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 21:15:16,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 21:15:16,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 21:15:16,735 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 21:15:16,736 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 21:15:16,740 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 21:15:16,741 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 21:15:16,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 21:15:16,749 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 21:15:16,752 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 21:15:16,753 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 21:15:16,754 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 21:15:16,760 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 21:15:16,760 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 21:15:16,760 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 21:15:16,761 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 21:15:16,763 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 21:15:16,764 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 21:15:16,765 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 21:15:16,766 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 21:15:16,766 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 21:15:16,768 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 21:15:16,768 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 21:15:16,768 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 21:15:16,770 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 21:15:16,772 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 21:15:16,772 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 21:15:16,789 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:15:16,790 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:15:16,791 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:15:16,791 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:15:16,791 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:15:16,791 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:15:16,792 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:15:16,792 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:15:16,793 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:15:16,793 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:15:16,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:15:16,794 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:15:16,794 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:15:16,795 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:15:16,795 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:15:16,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:15:16,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:15:16,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:15:16,881 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:15:16,881 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:15:16,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl [2018-10-12 21:15:16,882 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl' [2018-10-12 21:15:16,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:15:16,952 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:15:16,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:15:16,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:15:16,953 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:15:16,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:16" (1/1) ... [2018-10-12 21:15:16,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:16" (1/1) ... [2018-10-12 21:15:17,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:16" (1/1) ... [2018-10-12 21:15:17,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:16" (1/1) ... [2018-10-12 21:15:17,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:16" (1/1) ... [2018-10-12 21:15:17,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:16" (1/1) ... [2018-10-12 21:15:17,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:16" (1/1) ... [2018-10-12 21:15:17,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:15:17,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:15:17,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:15:17,050 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:15:17,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:16" (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 21:15:17,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:15:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:15:17,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:15:17,899 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:15:17,900 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:17 BoogieIcfgContainer [2018-10-12 21:15:17,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:15:17,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:15:17,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:15:17,904 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:15:17,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:16" (1/2) ... [2018-10-12 21:15:17,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ec7221 and model type test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:15:17, skipping insertion in model container [2018-10-12 21:15:17,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:17" (2/2) ... [2018-10-12 21:15:17,908 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl [2018-10-12 21:15:17,917 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:15:17,928 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:15:17,945 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:15:17,974 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:15:17,974 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:15:17,975 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:15:17,975 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:15:17,975 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:15:17,975 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:15:17,975 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:15:17,975 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:15:17,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:15:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-10-12 21:15:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-12 21:15:18,023 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:18,025 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] [2018-10-12 21:15:18,027 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:18,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:18,035 INFO L82 PathProgramCache]: Analyzing trace with hash -25484363, now seen corresponding path program 1 times [2018-10-12 21:15:18,086 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:18,433 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 21:15:18,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:15:18,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-12 21:15:18,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-12 21:15:18,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-12 21:15:18,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 21:15:18,469 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 4 states. [2018-10-12 21:15:18,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:18,675 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-10-12 21:15:18,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-12 21:15:18,677 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-10-12 21:15:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:18,691 INFO L225 Difference]: With dead ends: 113 [2018-10-12 21:15:18,691 INFO L226 Difference]: Without dead ends: 113 [2018-10-12 21:15:18,693 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 21:15:18,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-10-12 21:15:18,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2018-10-12 21:15:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-10-12 21:15:18,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-10-12 21:15:18,740 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 107 [2018-10-12 21:15:18,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:18,741 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-10-12 21:15:18,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-12 21:15:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-10-12 21:15:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-12 21:15:18,745 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:18,745 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] [2018-10-12 21:15:18,746 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:18,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:18,747 INFO L82 PathProgramCache]: Analyzing trace with hash -361312996, now seen corresponding path program 1 times [2018-10-12 21:15:18,748 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:18,959 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 21:15:18,960 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:18,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-12 21:15:18,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-12 21:15:18,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-12 21:15:18,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-12 21:15:18,963 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 5 states. [2018-10-12 21:15:19,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:19,090 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-10-12 21:15:19,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-12 21:15:19,091 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2018-10-12 21:15:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:19,094 INFO L225 Difference]: With dead ends: 116 [2018-10-12 21:15:19,094 INFO L226 Difference]: Without dead ends: 116 [2018-10-12 21:15:19,095 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:15:19,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-12 21:15:19,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-10-12 21:15:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-12 21:15:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-10-12 21:15:19,113 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 110 [2018-10-12 21:15:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:19,114 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-10-12 21:15:19,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-12 21:15:19,114 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-10-12 21:15:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-12 21:15:19,117 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:19,118 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] [2018-10-12 21:15:19,118 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:19,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:19,119 INFO L82 PathProgramCache]: Analyzing trace with hash -2053286315, now seen corresponding path program 2 times [2018-10-12 21:15:19,119 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:19,389 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 21:15:19,390 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:19,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-12 21:15:19,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 21:15:19,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 21:15:19,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:15:19,392 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 6 states. [2018-10-12 21:15:19,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:19,529 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-10-12 21:15:19,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 21:15:19,530 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-12 21:15:19,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:19,533 INFO L225 Difference]: With dead ends: 117 [2018-10-12 21:15:19,533 INFO L226 Difference]: Without dead ends: 117 [2018-10-12 21:15:19,534 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-12 21:15:19,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-10-12 21:15:19,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-10-12 21:15:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-12 21:15:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-10-12 21:15:19,545 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 113 [2018-10-12 21:15:19,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:19,546 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-10-12 21:15:19,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 21:15:19,546 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-10-12 21:15:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-12 21:15:19,550 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:19,550 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] [2018-10-12 21:15:19,550 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:19,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:19,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1894246788, now seen corresponding path program 3 times [2018-10-12 21:15:19,553 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-12 21:15:19,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:15:19,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-12 21:15:19,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-12 21:15:19,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-12 21:15:19,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-12 21:15:19,967 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 8 states. [2018-10-12 21:15:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:20,597 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-10-12 21:15:20,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-12 21:15:20,597 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2018-10-12 21:15:20,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:20,599 INFO L225 Difference]: With dead ends: 115 [2018-10-12 21:15:20,599 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:15:20,600 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 21:15:20,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:15:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:15:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:15:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:15:20,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2018-10-12 21:15:20,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:20,602 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:15:20,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-12 21:15:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:15:20,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:15:20,608 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:15:20 BoogieIcfgContainer [2018-10-12 21:15:20,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:15:20,609 INFO L168 Benchmark]: Toolchain (without parser) took 3658.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 211.4 MB). Peak memory consumption was 211.4 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:20,611 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 21:15:20,612 INFO L168 Benchmark]: Boogie Preprocessor took 96.32 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 21:15:20,613 INFO L168 Benchmark]: RCFGBuilder took 850.56 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:20,614 INFO L168 Benchmark]: TraceAbstraction took 2707.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:20,618 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.32 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 850.56 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2707.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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, 112 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 391 SDtfs, 403 SDslu, 761 SDs, 0 SdLazy, 163 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 442 ConstructedInterpolants, 0 QuantifiedInterpolants, 130542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 12/18 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-2.1_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-15-20-629.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-15-20-629.csv Received shutdown request...