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-b8f97f7-m [2018-10-10 15:48:30,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:48:30,834 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:48:30,846 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:48:30,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:48:30,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:48:30,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:48:30,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:48:30,852 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:48:30,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:48:30,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-10 15:48:30,900 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 15:48:30,909 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:48:30,910 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:48:30,910 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:48:30,911 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:48:30,911 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:48:30,911 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:48:30,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:48:30,912 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:48:30,912 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:48:30,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:48:30,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:48:30,913 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:48:30,913 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:48:30,914 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:48:30,914 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:48:30,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:48:30,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:48:30,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:48:30,988 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:48:30,988 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:48:30,989 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl [2018-10-10 15:48:30,990 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl' [2018-10-10 15:48:31,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:48:31,087 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:48:31,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:48:31,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:48:31,088 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:48:31,115 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 10.10 03:48:31" (1/1) ... [2018-10-10 15:48:31,117 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 10.10 03:48:31" (1/1) ... [2018-10-10 15:48:31,137 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 10.10 03:48:31" (1/1) ... [2018-10-10 15:48:31,137 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 10.10 03:48:31" (1/1) ... [2018-10-10 15:48:31,145 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 10.10 03:48:31" (1/1) ... [2018-10-10 15:48:31,147 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 10.10 03:48:31" (1/1) ... [2018-10-10 15:48:31,149 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 10.10 03:48:31" (1/1) ... [2018-10-10 15:48:31,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:48:31,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:48:31,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:48:31,156 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:48:31,159 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 10.10 03:48:31" (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 15:48:31,229 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:48:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:48:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:48:31,956 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:48:31,957 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 10.10 03:48:31 BoogieIcfgContainer [2018-10-10 15:48:31,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:48:31,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:48:31,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:48:31,962 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:48:31,962 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 10.10 03:48:31" (1/2) ... [2018-10-10 15:48:31,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674f970f and model type test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:48:31, skipping insertion in model container [2018-10-10 15:48:31,964 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 10.10 03:48:31" (2/2) ... [2018-10-10 15:48:31,966 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2_true-valid-memsafety_true-termination.i_13.bpl [2018-10-10 15:48:31,976 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:48:31,985 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:48:32,003 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:48:32,033 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:48:32,034 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:48:32,035 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:48:32,035 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:48:32,035 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:48:32,035 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:48:32,035 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:48:32,035 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:48:32,036 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:48:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-10-10 15:48:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-10 15:48:32,072 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:32,073 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] [2018-10-10 15:48:32,074 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:32,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:32,082 INFO L82 PathProgramCache]: Analyzing trace with hash -25484363, now seen corresponding path program 1 times [2018-10-10 15:48:32,148 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:32,517 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 15:48:32,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:48:32,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 15:48:32,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 15:48:32,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 15:48:32,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 15:48:32,546 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 4 states. [2018-10-10 15:48:32,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:32,766 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-10-10 15:48:32,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 15:48:32,769 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-10-10 15:48:32,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:32,783 INFO L225 Difference]: With dead ends: 113 [2018-10-10 15:48:32,784 INFO L226 Difference]: Without dead ends: 113 [2018-10-10 15:48:32,786 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 15:48:32,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-10-10 15:48:32,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2018-10-10 15:48:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-10-10 15:48:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-10-10 15:48:32,834 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 107 [2018-10-10 15:48:32,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:32,836 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-10-10 15:48:32,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 15:48:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-10-10 15:48:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-10 15:48:32,840 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:32,841 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] [2018-10-10 15:48:32,841 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:32,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:32,842 INFO L82 PathProgramCache]: Analyzing trace with hash -361312996, now seen corresponding path program 1 times [2018-10-10 15:48:32,843 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:33,021 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 15:48:33,022 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:33,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-10 15:48:33,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 15:48:33,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 15:48:33,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 15:48:33,026 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 5 states. [2018-10-10 15:48:33,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:33,217 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-10-10 15:48:33,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 15:48:33,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2018-10-10 15:48:33,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:33,221 INFO L225 Difference]: With dead ends: 116 [2018-10-10 15:48:33,221 INFO L226 Difference]: Without dead ends: 116 [2018-10-10 15:48:33,222 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 15:48:33,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-10 15:48:33,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-10-10 15:48:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-10 15:48:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-10-10 15:48:33,236 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 110 [2018-10-10 15:48:33,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:33,237 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-10-10 15:48:33,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 15:48:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-10-10 15:48:33,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-10 15:48:33,240 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:33,240 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] [2018-10-10 15:48:33,241 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:33,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:33,241 INFO L82 PathProgramCache]: Analyzing trace with hash -2053286315, now seen corresponding path program 2 times [2018-10-10 15:48:33,242 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:33,437 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 15:48:33,437 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:33,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-10 15:48:33,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 15:48:33,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 15:48:33,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 15:48:33,439 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 6 states. [2018-10-10 15:48:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:33,571 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-10-10 15:48:33,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 15:48:33,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-10 15:48:33,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:33,576 INFO L225 Difference]: With dead ends: 119 [2018-10-10 15:48:33,577 INFO L226 Difference]: Without dead ends: 119 [2018-10-10 15:48:33,577 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 [2018-10-10 15:48:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-10 15:48:33,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2018-10-10 15:48:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-10 15:48:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-10-10 15:48:33,588 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 113 [2018-10-10 15:48:33,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:33,589 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-10-10 15:48:33,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 15:48:33,589 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-10-10 15:48:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-10 15:48:33,591 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:33,592 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] [2018-10-10 15:48:33,592 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:33,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:33,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1894246788, now seen corresponding path program 3 times [2018-10-10 15:48:33,594 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:33,782 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 15:48:33,783 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:33,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-10 15:48:33,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 15:48:33,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 15:48:33,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-10 15:48:33,784 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 7 states. [2018-10-10 15:48:34,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:34,212 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-10-10 15:48:34,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-10 15:48:34,212 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2018-10-10 15:48:34,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:34,214 INFO L225 Difference]: With dead ends: 120 [2018-10-10 15:48:34,216 INFO L226 Difference]: Without dead ends: 120 [2018-10-10 15:48:34,218 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 [2018-10-10 15:48:34,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-10 15:48:34,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-10-10 15:48:34,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-10-10 15:48:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-10-10 15:48:34,238 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 116 [2018-10-10 15:48:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:34,238 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-10-10 15:48:34,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 15:48:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-10-10 15:48:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-10 15:48:34,243 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:34,244 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] [2018-10-10 15:48:34,244 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:34,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:34,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1296625419, now seen corresponding path program 4 times [2018-10-10 15:48:34,245 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:34,613 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-10 15:48:34,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:48:34,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 15:48:34,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 15:48:34,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 15:48:34,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:48:34,615 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 8 states. [2018-10-10 15:48:34,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:34,955 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-10-10 15:48:34,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 15:48:34,956 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2018-10-10 15:48:34,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:34,957 INFO L225 Difference]: With dead ends: 118 [2018-10-10 15:48:34,957 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:48:34,957 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-10 15:48:34,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:48:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:48:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:48:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:48:34,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2018-10-10 15:48:34,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:34,960 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:48:34,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 15:48:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:48:34,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:48:34,966 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 10.10 03:48:34 BoogieIcfgContainer [2018-10-10 15:48:34,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:48:34,967 INFO L168 Benchmark]: Toolchain (without parser) took 3881.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:48:34,969 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-10 15:48:34,970 INFO L168 Benchmark]: Boogie Preprocessor took 66.54 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. [2018-10-10 15:48:34,971 INFO L168 Benchmark]: RCFGBuilder took 801.74 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. [2018-10-10 15:48:34,972 INFO L168 Benchmark]: TraceAbstraction took 3008.15 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: 222.0 MB). Peak memory consumption was 222.0 MB. Max. memory is 7.1 GB. [2018-10-10 15:48:34,976 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 0.19 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 66.54 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 801.74 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 3008.15 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: 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, 2.9s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 431 SDslu, 947 SDs, 0 SdLazy, 190 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s 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, 0.9s 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-0-2018-10-10_15-48-34-987.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-0-2018-10-10_15-48-34-987.csv Received shutdown request...