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_17.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:15:52,057 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:15:52,059 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:15:52,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:15:52,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:15:52,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:15:52,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:15:52,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:15:52,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:15:52,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:15:52,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-12 21:15:52,101 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 21:15:52,112 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:15:52,112 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:15:52,113 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:15:52,113 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:15:52,114 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:15:52,114 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:15:52,117 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:15:52,117 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:15:52,117 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:15:52,117 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:15:52,118 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:15:52,118 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:15:52,118 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:15:52,120 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:15:52,120 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:15:52,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:15:52,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:15:52,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:15:52,211 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:15:52,212 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:15:52,213 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl [2018-10-12 21:15:52,213 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl' [2018-10-12 21:15:52,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:15:52,306 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:15:52,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:15:52,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:15:52,307 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:15:52,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:52" (1/1) ... [2018-10-12 21:15:52,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:52" (1/1) ... [2018-10-12 21:15:52,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:52" (1/1) ... [2018-10-12 21:15:52,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:52" (1/1) ... [2018-10-12 21:15:52,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:52" (1/1) ... [2018-10-12 21:15:52,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:52" (1/1) ... [2018-10-12 21:15:52,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:52" (1/1) ... [2018-10-12 21:15:52,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:15:52,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:15:52,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:15:52,403 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:15:52,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-12 21:15:52,486 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:15:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:15:52,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:15:53,319 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:15:53,320 INFO L202 PluginConnector]: Adding new model test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:53 BoogieIcfgContainer [2018-10-12 21:15:53,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:15:53,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:15:53,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:15:53,327 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:15:53,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:52" (1/2) ... [2018-10-12 21:15:53,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3251dfe5 and model type test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:15:53, skipping insertion in model container [2018-10-12 21:15:53,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:53" (2/2) ... [2018-10-12 21:15:53,331 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl [2018-10-12 21:15:53,339 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:15:53,347 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:15:53,364 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:15:53,391 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:15:53,392 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:15:53,392 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:15:53,392 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:15:53,392 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:15:53,393 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:15:53,393 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:15:53,393 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:15:53,393 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:15:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-10-12 21:15:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-12 21:15:53,429 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:53,430 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, 1, 1] [2018-10-12 21:15:53,432 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:53,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:53,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1370197862, now seen corresponding path program 1 times [2018-10-12 21:15:53,497 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:53,860 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 21:15:53,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:15:53,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-12 21:15:53,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-12 21:15:53,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-12 21:15:53,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 21:15:53,889 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 4 states. [2018-10-12 21:15:54,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:54,042 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-10-12 21:15:54,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-12 21:15:54,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2018-10-12 21:15:54,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:54,062 INFO L225 Difference]: With dead ends: 128 [2018-10-12 21:15:54,062 INFO L226 Difference]: Without dead ends: 128 [2018-10-12 21:15:54,064 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 21:15:54,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-10-12 21:15:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2018-10-12 21:15:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-10-12 21:15:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-10-12 21:15:54,111 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 122 [2018-10-12 21:15:54,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:54,115 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-10-12 21:15:54,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-12 21:15:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-10-12 21:15:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-12 21:15:54,121 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:54,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:15:54,122 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:54,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:54,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1653011681, now seen corresponding path program 1 times [2018-10-12 21:15:54,123 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:54,373 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 21:15:54,373 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:54,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-12 21:15:54,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-12 21:15:54,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-12 21:15:54,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-12 21:15:54,377 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 5 states. [2018-10-12 21:15:54,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:54,540 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-10-12 21:15:54,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-12 21:15:54,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-10-12 21:15:54,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:54,543 INFO L225 Difference]: With dead ends: 131 [2018-10-12 21:15:54,543 INFO L226 Difference]: Without dead ends: 131 [2018-10-12 21:15:54,545 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 21:15:54,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-10-12 21:15:54,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2018-10-12 21:15:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-10-12 21:15:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-10-12 21:15:54,561 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 125 [2018-10-12 21:15:54,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:54,562 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-10-12 21:15:54,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-12 21:15:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-10-12 21:15:54,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-12 21:15:54,565 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:54,565 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, 1, 1, 1, 1, 1] [2018-10-12 21:15:54,566 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:54,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:54,566 INFO L82 PathProgramCache]: Analyzing trace with hash -624310074, now seen corresponding path program 2 times [2018-10-12 21:15:54,567 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:54,796 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 21:15:54,797 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:54,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-12 21:15:54,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 21:15:54,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 21:15:54,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:15:54,799 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 6 states. [2018-10-12 21:15:54,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:54,940 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-10-12 21:15:54,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 21:15:54,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-10-12 21:15:54,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:54,946 INFO L225 Difference]: With dead ends: 134 [2018-10-12 21:15:54,946 INFO L226 Difference]: Without dead ends: 134 [2018-10-12 21:15:54,947 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 21:15:54,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-10-12 21:15:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2018-10-12 21:15:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-12 21:15:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-10-12 21:15:54,957 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 128 [2018-10-12 21:15:54,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:54,957 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-10-12 21:15:54,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 21:15:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-10-12 21:15:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-12 21:15:54,960 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:54,960 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, 1, 1, 1, 1, 1] [2018-10-12 21:15:54,961 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:54,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:54,961 INFO L82 PathProgramCache]: Analyzing trace with hash 833607103, now seen corresponding path program 3 times [2018-10-12 21:15:54,962 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:55,326 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 21:15:55,327 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:55,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-12 21:15:55,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-12 21:15:55,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-12 21:15:55,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-12 21:15:55,329 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 7 states. [2018-10-12 21:15:56,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:56,004 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-10-12 21:15:56,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-12 21:15:56,007 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2018-10-12 21:15:56,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:56,009 INFO L225 Difference]: With dead ends: 135 [2018-10-12 21:15:56,009 INFO L226 Difference]: Without dead ends: 135 [2018-10-12 21:15:56,009 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-12 21:15:56,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-10-12 21:15:56,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-10-12 21:15:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-10-12 21:15:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-10-12 21:15:56,019 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 131 [2018-10-12 21:15:56,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:56,020 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-10-12 21:15:56,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-12 21:15:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-10-12 21:15:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-12 21:15:56,022 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:56,023 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, 1, 1, 1, 1, 1] [2018-10-12 21:15:56,023 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:56,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:56,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1360037338, now seen corresponding path program 4 times [2018-10-12 21:15:56,028 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:58,317 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 21:15:58,317 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:58,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-10-12 21:15:58,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-12 21:15:58,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-12 21:15:58,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2018-10-12 21:15:58,320 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 25 states. [2018-10-12 21:15:59,972 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-10-12 21:16:00,558 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2018-10-12 21:16:00,736 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2018-10-12 21:16:00,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:16:00,737 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-12 21:16:00,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-12 21:16:00,737 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 134 [2018-10-12 21:16:00,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:16:00,738 INFO L225 Difference]: With dead ends: 124 [2018-10-12 21:16:00,738 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:16:00,739 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 10 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=360, Invalid=1280, Unknown=0, NotChecked=0, Total=1640 [2018-10-12 21:16:00,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:16:00,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:16:00,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:16:00,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:16:00,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2018-10-12 21:16:00,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:16:00,740 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:16:00,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-12 21:16:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:16:00,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:16:00,747 INFO L202 PluginConnector]: Adding new model test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:16:00 BoogieIcfgContainer [2018-10-12 21:16:00,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:16:00,748 INFO L168 Benchmark]: Toolchain (without parser) took 8442.85 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 40.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 165.4 MB). Peak memory consumption was 205.8 MB. Max. memory is 7.1 GB. [2018-10-12 21:16:00,749 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 21:16:00,750 INFO L168 Benchmark]: Boogie Preprocessor took 95.91 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 21:16:00,751 INFO L168 Benchmark]: RCFGBuilder took 917.33 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 21:16:00,752 INFO L168 Benchmark]: TraceAbstraction took 7425.39 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 40.4 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Peak memory consumption was 174.0 MB. Max. memory is 7.1 GB. [2018-10-12 21:16:00,756 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.91 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 917.33 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 7425.39 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 40.4 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Peak memory consumption was 174.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: 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, 127 locations, 1 error locations. SAFE Result, 7.3s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 519 SDtfs, 703 SDslu, 1557 SDs, 0 SdLazy, 1164 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 11 SyntacticMatches, 10 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred 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, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 640 NumberOfCodeBlocks, 640 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 305430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/40 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_17.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-16-00-767.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-16-00-767.csv Received shutdown request...