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_18.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:48:15,816 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:48:15,819 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:48:15,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-10 15:48:15,894 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:48:15,911 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:48:15,912 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:48:15,912 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:48:15,913 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:48:15,913 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:48:15,913 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:48:15,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:48:15,917 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:48:15,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:48:15,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:48:15,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:48:15,918 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:48:15,918 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:48:15,920 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:48:15,920 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:48:15,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:48:15,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:48:16,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:48:16,004 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:48:16,005 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:48:16,005 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl [2018-10-10 15:48:16,006 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl' [2018-10-10 15:48:16,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:48:16,116 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:48:16,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:48:16,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:48:16,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:48:16,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:16" (1/1) ... [2018-10-10 15:48:16,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:16" (1/1) ... [2018-10-10 15:48:16,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:16" (1/1) ... [2018-10-10 15:48:16,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:16" (1/1) ... [2018-10-10 15:48:16,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:16" (1/1) ... [2018-10-10 15:48:16,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:16" (1/1) ... [2018-10-10 15:48:16,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:16" (1/1) ... [2018-10-10 15:48:16,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:48:16,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:48:16,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:48:16,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:48:16,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:16" (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 [2018-10-10 15:48:16,285 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:48:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:48:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:48:17,108 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:48:17,109 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:48:17 BoogieIcfgContainer [2018-10-10 15:48:17,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:48:17,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:48:17,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:48:17,115 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:48:17,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:16" (1/2) ... [2018-10-10 15:48:17,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d9fbb7 and model type test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:48:17, skipping insertion in model container [2018-10-10 15:48:17,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:48:17" (2/2) ... [2018-10-10 15:48:17,119 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl [2018-10-10 15:48:17,129 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:48:17,138 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:48:17,156 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:48:17,186 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:48:17,187 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:48:17,187 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:48:17,188 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:48:17,188 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:48:17,188 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:48:17,188 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:48:17,188 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:48:17,188 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:48:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-10-10 15:48:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-10 15:48:17,226 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:17,228 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, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:48:17,229 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:17,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:17,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1287225909, now seen corresponding path program 1 times [2018-10-10 15:48:17,299 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:48:17,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:48:17,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 15:48:17,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 15:48:17,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 15:48:17,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 15:48:17,718 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 4 states. [2018-10-10 15:48:17,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:17,816 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-10-10 15:48:17,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 15:48:17,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2018-10-10 15:48:17,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:17,837 INFO L225 Difference]: With dead ends: 138 [2018-10-10 15:48:17,838 INFO L226 Difference]: Without dead ends: 138 [2018-10-10 15:48:17,840 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 [2018-10-10 15:48:17,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-10-10 15:48:17,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2018-10-10 15:48:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-10-10 15:48:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2018-10-10 15:48:17,897 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 132 [2018-10-10 15:48:17,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:17,898 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2018-10-10 15:48:17,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 15:48:17,899 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2018-10-10 15:48:17,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-10 15:48:17,907 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:17,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:48:17,909 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:17,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash -570726844, now seen corresponding path program 1 times [2018-10-10 15:48:17,911 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:48:18,185 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:18,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-10 15:48:18,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 15:48:18,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 15:48:18,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 15:48:18,189 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 5 states. [2018-10-10 15:48:18,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:18,329 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-10-10 15:48:18,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 15:48:18,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-10-10 15:48:18,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:18,333 INFO L225 Difference]: With dead ends: 141 [2018-10-10 15:48:18,333 INFO L226 Difference]: Without dead ends: 141 [2018-10-10 15:48:18,334 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 [2018-10-10 15:48:18,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-10-10 15:48:18,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2018-10-10 15:48:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-10-10 15:48:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-10-10 15:48:18,347 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 135 [2018-10-10 15:48:18,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:18,347 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-10-10 15:48:18,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 15:48:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-10-10 15:48:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-10 15:48:18,350 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:18,351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:48:18,351 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:18,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:18,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1334542549, now seen corresponding path program 2 times [2018-10-10 15:48:18,353 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:48:18,591 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:18,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-10 15:48:18,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 15:48:18,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 15:48:18,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 15:48:18,593 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 6 states. [2018-10-10 15:48:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:18,922 INFO L93 Difference]: Finished difference Result 142 states and 142 transitions. [2018-10-10 15:48:18,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 15:48:18,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-10 15:48:18,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:18,926 INFO L225 Difference]: With dead ends: 142 [2018-10-10 15:48:18,930 INFO L226 Difference]: Without dead ends: 142 [2018-10-10 15:48:18,930 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:48:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-10-10 15:48:18,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-10-10 15:48:18,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-10-10 15:48:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-10-10 15:48:18,952 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 138 [2018-10-10 15:48:18,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:18,952 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-10-10 15:48:18,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 15:48:18,956 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-10-10 15:48:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-10 15:48:18,959 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:18,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:48:18,959 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:18,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:18,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1431475996, now seen corresponding path program 3 times [2018-10-10 15:48:18,964 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:19,924 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-10-10 15:48:20,740 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2018-10-10 15:48:21,462 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2018-10-10 15:48:21,637 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2018-10-10 15:48:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:48:22,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:22,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-10-10 15:48:22,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-10 15:48:22,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-10 15:48:22,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=741, Unknown=0, NotChecked=0, Total=812 [2018-10-10 15:48:22,802 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 29 states. [2018-10-10 15:48:24,830 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-10-10 15:48:26,143 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2018-10-10 15:48:26,477 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2018-10-10 15:48:26,796 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2018-10-10 15:48:27,036 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2018-10-10 15:48:27,571 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2018-10-10 15:48:27,904 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2018-10-10 15:48:28,258 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2018-10-10 15:48:28,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:28,260 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-10-10 15:48:28,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-10 15:48:28,261 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 141 [2018-10-10 15:48:28,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:28,262 INFO L225 Difference]: With dead ends: 131 [2018-10-10 15:48:28,262 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:48:28,263 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 7 SyntacticMatches, 8 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=580, Invalid=2072, Unknown=0, NotChecked=0, Total=2652 [2018-10-10 15:48:28,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:48:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:48:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:48:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:48:28,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2018-10-10 15:48:28,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:28,265 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:48:28,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-10 15:48:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:48:28,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:48:28,270 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:48:28 BoogieIcfgContainer [2018-10-10 15:48:28,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:48:28,271 INFO L168 Benchmark]: Toolchain (without parser) took 12156.70 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 46.7 MB). Free memory was 1.4 GB in the beginning and 885.2 MB in the end (delta: 557.4 MB). Peak memory consumption was 604.0 MB. Max. memory is 7.1 GB. [2018-10-10 15:48:28,273 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-10-10 15:48:28,273 INFO L168 Benchmark]: Boogie Preprocessor took 88.81 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. [2018-10-10 15:48:28,274 INFO L168 Benchmark]: RCFGBuilder took 903.22 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-10 15:48:28,275 INFO L168 Benchmark]: TraceAbstraction took 11159.03 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 46.7 MB). Free memory was 1.4 GB in the beginning and 885.2 MB in the end (delta: 515.1 MB). Peak memory consumption was 561.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:48:28,279 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 0.22 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 88.81 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 903.22 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11159.03 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 46.7 MB). Free memory was 1.4 GB in the beginning and 885.2 MB in the end (delta: 515.1 MB). Peak memory consumption was 561.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 204]: 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, 137 locations, 1 error locations. SAFE Result, 11.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 431 SDtfs, 1087 SDslu, 1223 SDs, 0 SdLazy, 1314 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 13 SyntacticMatches, 8 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred 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, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 445202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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_18.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-48-28-292.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2.1_true-valid-memsafety_true-termination.i_18.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-48-28-292.csv Received shutdown request...