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_true-valid-memsafety_true-termination.i_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:15:46,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:15:46,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:15:46,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:15:46,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:15:46,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:15:46,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:15:46,701 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:15:46,703 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:15:46,706 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:15:46,707 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 21:15:46,707 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 21:15:46,708 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 21:15:46,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 21:15:46,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 21:15:46,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 21:15:46,721 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 21:15:46,723 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 21:15:46,730 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 21:15:46,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 21:15:46,735 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 21:15:46,737 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 21:15:46,743 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 21:15:46,744 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 21:15:46,744 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 21:15:46,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 21:15:46,748 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 21:15:46,749 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 21:15:46,753 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 21:15:46,754 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 21:15:46,754 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 21:15:46,756 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 21:15:46,756 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 21:15:46,757 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 21:15:46,758 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 21:15:46,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 21:15:46,759 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 21:15:46,778 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:15:46,778 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:15:46,779 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:15:46,779 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:15:46,779 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:15:46,780 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:15:46,781 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:15:46,781 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:15:46,782 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:15:46,782 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:15:46,782 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:15:46,782 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:15:46,782 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:15:46,784 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:15:46,784 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:15:46,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:15:46,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:15:46,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:15:46,889 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:15:46,889 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:15:46,890 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl [2018-10-12 21:15:46,890 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl' [2018-10-12 21:15:46,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:15:46,995 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:15:46,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:15:46,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:15:46,997 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:15:47,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:46" (1/1) ... [2018-10-12 21:15:47,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:46" (1/1) ... [2018-10-12 21:15:47,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:46" (1/1) ... [2018-10-12 21:15:47,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:46" (1/1) ... [2018-10-12 21:15:47,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:46" (1/1) ... [2018-10-12 21:15:47,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:46" (1/1) ... [2018-10-12 21:15:47,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:46" (1/1) ... [2018-10-12 21:15:47,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:15:47,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:15:47,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:15:47,065 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:15:47,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:46" (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 21:15:47,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:15:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:15:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:15:47,979 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:15:47,979 INFO L202 PluginConnector]: Adding new model test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:47 BoogieIcfgContainer [2018-10-12 21:15:47,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:15:47,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:15:47,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:15:47,984 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:15:47,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:46" (1/2) ... [2018-10-12 21:15:47,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492af6f1 and model type test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:15:47, skipping insertion in model container [2018-10-12 21:15:47,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:47" (2/2) ... [2018-10-12 21:15:47,988 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl [2018-10-12 21:15:47,998 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:15:48,011 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:15:48,034 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:15:48,067 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:15:48,068 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:15:48,068 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:15:48,068 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:15:48,068 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:15:48,069 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:15:48,069 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:15:48,070 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:15:48,070 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:15:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-10-12 21:15:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-12 21:15:48,119 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:48,121 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 21:15:48,124 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:48,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:48,130 INFO L82 PathProgramCache]: Analyzing trace with hash -25484363, now seen corresponding path program 1 times [2018-10-12 21:15:48,177 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:48,548 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 21:15:48,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:15:48,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-12 21:15:48,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-12 21:15:48,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-12 21:15:48,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 21:15:48,579 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 4 states. [2018-10-12 21:15:48,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:48,792 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-10-12 21:15:48,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-12 21:15:48,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-10-12 21:15:48,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:48,809 INFO L225 Difference]: With dead ends: 113 [2018-10-12 21:15:48,810 INFO L226 Difference]: Without dead ends: 113 [2018-10-12 21:15:48,812 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 21:15:48,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-10-12 21:15:48,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2018-10-12 21:15:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-10-12 21:15:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-10-12 21:15:48,860 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 107 [2018-10-12 21:15:48,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:48,861 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-10-12 21:15:48,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-12 21:15:48,861 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-10-12 21:15:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-12 21:15:48,866 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:48,866 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 21:15:48,867 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:48,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:48,868 INFO L82 PathProgramCache]: Analyzing trace with hash -361312996, now seen corresponding path program 1 times [2018-10-12 21:15:48,869 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:49,077 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 21:15:49,077 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:49,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-12 21:15:49,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-12 21:15:49,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-12 21:15:49,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-12 21:15:49,081 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 5 states. [2018-10-12 21:15:49,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:49,240 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-10-12 21:15:49,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-12 21:15:49,241 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2018-10-12 21:15:49,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:49,245 INFO L225 Difference]: With dead ends: 116 [2018-10-12 21:15:49,245 INFO L226 Difference]: Without dead ends: 116 [2018-10-12 21:15:49,246 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 21:15:49,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-12 21:15:49,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-10-12 21:15:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-12 21:15:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-10-12 21:15:49,260 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 110 [2018-10-12 21:15:49,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:49,263 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-10-12 21:15:49,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-12 21:15:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-10-12 21:15:49,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-12 21:15:49,267 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:49,267 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 21:15:49,268 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:49,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:49,268 INFO L82 PathProgramCache]: Analyzing trace with hash -2053286315, now seen corresponding path program 2 times [2018-10-12 21:15:49,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:49,567 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 21:15:49,567 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:49,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-12 21:15:49,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 21:15:49,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 21:15:49,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:15:49,569 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 6 states. [2018-10-12 21:15:49,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:49,686 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-10-12 21:15:49,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 21:15:49,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-12 21:15:49,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:49,691 INFO L225 Difference]: With dead ends: 119 [2018-10-12 21:15:49,693 INFO L226 Difference]: Without dead ends: 119 [2018-10-12 21:15:49,694 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-12 21:15:49,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-12 21:15:49,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2018-10-12 21:15:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-12 21:15:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-10-12 21:15:49,704 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 113 [2018-10-12 21:15:49,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:49,705 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-10-12 21:15:49,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 21:15:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-10-12 21:15:49,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-12 21:15:49,707 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:49,707 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 21:15:49,708 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:49,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:49,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1894246788, now seen corresponding path program 3 times [2018-10-12 21:15:49,709 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:49,916 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 21:15:49,916 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:49,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-12 21:15:49,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-12 21:15:49,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-12 21:15:49,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-12 21:15:49,918 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 7 states. [2018-10-12 21:15:50,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:50,370 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-10-12 21:15:50,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-12 21:15:50,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2018-10-12 21:15:50,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:50,372 INFO L225 Difference]: With dead ends: 120 [2018-10-12 21:15:50,372 INFO L226 Difference]: Without dead ends: 120 [2018-10-12 21:15:50,374 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-12 21:15:50,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-12 21:15:50,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-10-12 21:15:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-10-12 21:15:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-10-12 21:15:50,395 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 116 [2018-10-12 21:15:50,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:50,396 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-10-12 21:15:50,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-12 21:15:50,396 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-10-12 21:15:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-12 21:15:50,398 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:50,398 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] [2018-10-12 21:15:50,402 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:50,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:50,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1296625419, now seen corresponding path program 4 times [2018-10-12 21:15:50,403 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-12 21:15:51,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:15:51,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-12 21:15:51,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-12 21:15:51,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-12 21:15:51,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-12 21:15:51,321 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 8 states. [2018-10-12 21:15:51,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:51,895 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-10-12 21:15:51,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-12 21:15:51,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2018-10-12 21:15:51,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:51,896 INFO L225 Difference]: With dead ends: 118 [2018-10-12 21:15:51,896 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:15:51,897 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-12 21:15:51,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:15:51,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:15:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:15:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:15:51,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2018-10-12 21:15:51,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:51,899 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:15:51,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-12 21:15:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:15:51,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:15:51,905 INFO L202 PluginConnector]: Adding new model test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:15:51 BoogieIcfgContainer [2018-10-12 21:15:51,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:15:51,907 INFO L168 Benchmark]: Toolchain (without parser) took 4912.15 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: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:51,909 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 21:15:51,909 INFO L168 Benchmark]: Boogie Preprocessor took 67.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 21:15:51,910 INFO L168 Benchmark]: RCFGBuilder took 915.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 21:15:51,911 INFO L168 Benchmark]: TraceAbstraction took 3924.68 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: 222.0 MB). Peak memory consumption was 222.0 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:51,915 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 915.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 3924.68 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: 222.0 MB). Peak memory consumption was 222.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 176]: 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, 3.8s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 431 SDslu, 947 SDs, 0 SdLazy, 190 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=4, 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, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 560 ConstructedInterpolants, 0 QuantifiedInterpolants, 156882 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 22/40 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_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-15-51-926.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-15-51-926.csv Received shutdown request...