java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:48:00,034 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:48:00,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:48:00,054 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:48:00,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:48:00,056 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:48:00,057 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:48:00,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:48:00,062 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:48:00,064 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:48:00,066 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-10 15:48:00,095 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 15:48:00,105 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:48:00,105 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:48:00,106 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:48:00,107 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:48:00,107 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:48:00,107 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:48:00,108 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:48:00,108 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:48:00,108 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:48:00,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:48:00,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:48:00,109 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:48:00,109 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:48:00,110 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:48:00,110 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:48:00,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:48:00,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:48:00,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:48:00,193 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:48:00,194 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:48:00,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl [2018-10-10 15:48:00,195 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl' [2018-10-10 15:48:00,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:48:00,302 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:48:00,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:48:00,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:48:00,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:48:00,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:00" (1/1) ... [2018-10-10 15:48:00,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:00" (1/1) ... [2018-10-10 15:48:00,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:00" (1/1) ... [2018-10-10 15:48:00,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:00" (1/1) ... [2018-10-10 15:48:00,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:00" (1/1) ... [2018-10-10 15:48:00,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:00" (1/1) ... [2018-10-10 15:48:00,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:00" (1/1) ... [2018-10-10 15:48:00,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:48:00,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:48:00,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:48:00,398 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:48:00,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:00" (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 15:48:00,476 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:48:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:48:00,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:48:01,191 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:48:01,192 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:48:01 BoogieIcfgContainer [2018-10-10 15:48:01,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:48:01,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:48:01,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:48:01,197 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:48:01,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:00" (1/2) ... [2018-10-10 15:48:01,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2dfba5 and model type test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:48:01, skipping insertion in model container [2018-10-10 15:48:01,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:48:01" (2/2) ... [2018-10-10 15:48:01,200 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl [2018-10-10 15:48:01,211 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:48:01,220 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:48:01,238 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:48:01,269 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:48:01,270 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:48:01,270 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:48:01,270 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:48:01,270 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:48:01,271 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:48:01,271 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:48:01,271 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:48:01,271 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:48:01,293 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-10-10 15:48:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-10 15:48:01,307 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:01,308 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 15:48:01,310 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:01,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:01,317 INFO L82 PathProgramCache]: Analyzing trace with hash -25484363, now seen corresponding path program 1 times [2018-10-10 15:48:01,383 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:01,724 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 15:48:01,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:48:01,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 15:48:01,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 15:48:01,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 15:48:01,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 15:48:01,753 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 4 states. [2018-10-10 15:48:01,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:01,986 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-10-10 15:48:01,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 15:48:01,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-10-10 15:48:01,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:02,004 INFO L225 Difference]: With dead ends: 113 [2018-10-10 15:48:02,004 INFO L226 Difference]: Without dead ends: 113 [2018-10-10 15:48:02,007 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 15:48:02,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-10-10 15:48:02,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2018-10-10 15:48:02,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-10-10 15:48:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-10-10 15:48:02,055 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 107 [2018-10-10 15:48:02,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:02,057 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-10-10 15:48:02,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 15:48:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-10-10 15:48:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-10 15:48:02,063 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:02,063 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 15:48:02,064 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:02,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:02,064 INFO L82 PathProgramCache]: Analyzing trace with hash -361312996, now seen corresponding path program 1 times [2018-10-10 15:48:02,065 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:02,287 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 15:48:02,288 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:02,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-10 15:48:02,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 15:48:02,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 15:48:02,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 15:48:02,292 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 5 states. [2018-10-10 15:48:02,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:02,659 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-10-10 15:48:02,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 15:48:02,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2018-10-10 15:48:02,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:02,667 INFO L225 Difference]: With dead ends: 116 [2018-10-10 15:48:02,668 INFO L226 Difference]: Without dead ends: 116 [2018-10-10 15:48:02,669 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 [2018-10-10 15:48:02,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-10 15:48:02,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-10-10 15:48:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-10 15:48:02,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-10-10 15:48:02,692 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 110 [2018-10-10 15:48:02,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:02,693 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-10-10 15:48:02,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 15:48:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-10-10 15:48:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-10 15:48:02,698 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:02,698 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 15:48:02,698 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:02,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:02,699 INFO L82 PathProgramCache]: Analyzing trace with hash -2053286315, now seen corresponding path program 2 times [2018-10-10 15:48:02,700 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:02,870 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 15:48:02,871 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:02,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-10 15:48:02,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 15:48:02,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 15:48:02,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 15:48:02,873 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 6 states. [2018-10-10 15:48:03,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:03,086 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-10-10 15:48:03,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 15:48:03,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-10 15:48:03,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:03,094 INFO L225 Difference]: With dead ends: 117 [2018-10-10 15:48:03,094 INFO L226 Difference]: Without dead ends: 117 [2018-10-10 15:48:03,095 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:48:03,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-10-10 15:48:03,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-10-10 15:48:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-10 15:48:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-10-10 15:48:03,115 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 113 [2018-10-10 15:48:03,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:03,116 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-10-10 15:48:03,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 15:48:03,116 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-10-10 15:48:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-10 15:48:03,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:03,121 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 15:48:03,121 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:03,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:03,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1894246788, now seen corresponding path program 3 times [2018-10-10 15:48:03,123 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-10 15:48:03,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:48:03,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 15:48:03,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 15:48:03,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 15:48:03,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:48:03,561 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 8 states. [2018-10-10 15:48:03,873 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-10 15:48:04,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:04,125 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-10-10 15:48:04,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 15:48:04,125 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2018-10-10 15:48:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:04,126 INFO L225 Difference]: With dead ends: 115 [2018-10-10 15:48:04,126 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:48:04,127 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-10 15:48:04,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:48:04,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:48:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:48:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:48:04,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2018-10-10 15:48:04,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:04,129 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:48:04,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 15:48:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:48:04,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:48:04,134 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:48:04 BoogieIcfgContainer [2018-10-10 15:48:04,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:48:04,135 INFO L168 Benchmark]: Toolchain (without parser) took 3834.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 211.4 MB). Peak memory consumption was 211.4 MB. Max. memory is 7.1 GB. [2018-10-10 15:48:04,136 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:48:04,137 INFO L168 Benchmark]: Boogie Preprocessor took 87.08 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 15:48:04,137 INFO L168 Benchmark]: RCFGBuilder took 795.01 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 15:48:04,138 INFO L168 Benchmark]: TraceAbstraction took 2941.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:48:04,142 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.08 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 795.01 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 2941.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 391 SDtfs, 403 SDslu, 761 SDs, 0 SdLazy, 163 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 442 ConstructedInterpolants, 0 QuantifiedInterpolants, 130542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 12/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-48-04-154.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2.1_true-valid-memsafety_true-termination.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-48-04-154.csv Received shutdown request...