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_false-valid-free.i_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:47:30,362 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:47:30,365 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:47:30,379 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:47:30,379 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:47:30,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:47:30,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:47:30,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:47:30,386 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:47:30,387 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:47:30,388 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:47:30,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:47:30,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:47:30,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:47:30,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:47:30,392 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:47:30,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:47:30,394 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:47:30,396 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:47:30,398 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:47:30,399 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:47:30,400 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:47:30,403 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 15:47:30,419 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 15:47:30,435 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:47:30,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:47:30,436 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:47:30,438 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:47:30,438 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:47:30,438 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:47:30,439 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:47:30,439 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:47:30,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:47:30,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:47:30,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:47:30,440 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:47:30,441 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:47:30,443 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:47:30,443 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:47:30,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:47:30,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:47:30,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:47:30,535 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:47:30,536 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:47:30,536 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_false-valid-free.i_13.bpl [2018-10-10 15:47:30,537 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_false-valid-free.i_13.bpl' [2018-10-10 15:47:30,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:47:30,616 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:47:30,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:47:30,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:47:30,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:47:30,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:47:30" (1/1) ... [2018-10-10 15:47:30,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:47:30" (1/1) ... [2018-10-10 15:47:30,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:47:30" (1/1) ... [2018-10-10 15:47:30,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:47:30" (1/1) ... [2018-10-10 15:47:30,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:47:30" (1/1) ... [2018-10-10 15:47:30,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:47:30" (1/1) ... [2018-10-10 15:47:30,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:47:30" (1/1) ... [2018-10-10 15:47:30,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:47:30,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:47:30,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:47:30,702 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:47:30,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:47:30" (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 15:47:30,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:47:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:47:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:47:31,597 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:47:31,598 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:47:31 BoogieIcfgContainer [2018-10-10 15:47:31,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:47:31,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:47:31,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:47:31,603 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:47:31,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:47:30" (1/2) ... [2018-10-10 15:47:31,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653eb1a5 and model type test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:47:31, skipping insertion in model container [2018-10-10 15:47:31,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:47:31" (2/2) ... [2018-10-10 15:47:31,606 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2.1_false-valid-free.i_13.bpl [2018-10-10 15:47:31,617 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:47:31,626 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:47:31,643 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:47:31,672 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:47:31,673 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:47:31,673 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:47:31,673 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:47:31,673 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:47:31,674 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:47:31,674 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:47:31,674 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:47:31,674 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:47:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-10-10 15:47:31,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-10 15:47:31,711 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:47:31,712 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] [2018-10-10 15:47:31,713 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:47:31,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:47:31,720 INFO L82 PathProgramCache]: Analyzing trace with hash 387924863, now seen corresponding path program 1 times [2018-10-10 15:47:31,773 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:47:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:47:32,192 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 15:47:32,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:47:32,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 15:47:32,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 15:47:32,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 15:47:32,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 15:47:32,222 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 4 states. [2018-10-10 15:47:32,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:47:32,338 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-10-10 15:47:32,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 15:47:32,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2018-10-10 15:47:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:47:32,360 INFO L225 Difference]: With dead ends: 133 [2018-10-10 15:47:32,360 INFO L226 Difference]: Without dead ends: 133 [2018-10-10 15:47:32,362 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 15:47:32,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-10 15:47:32,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2018-10-10 15:47:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-10-10 15:47:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-10-10 15:47:32,416 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 127 [2018-10-10 15:47:32,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:47:32,417 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-10-10 15:47:32,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 15:47:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-10-10 15:47:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-10 15:47:32,420 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:47:32,420 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] [2018-10-10 15:47:32,422 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:47:32,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:47:32,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1841720998, now seen corresponding path program 1 times [2018-10-10 15:47:32,424 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:47:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:47:32,772 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 15:47:32,773 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:47:32,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-10 15:47:32,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 15:47:32,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 15:47:32,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 15:47:32,782 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 5 states. [2018-10-10 15:47:32,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:47:32,978 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-10-10 15:47:32,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 15:47:32,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-10-10 15:47:32,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:47:32,984 INFO L225 Difference]: With dead ends: 136 [2018-10-10 15:47:32,984 INFO L226 Difference]: Without dead ends: 136 [2018-10-10 15:47:32,985 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-10 15:47:32,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-10-10 15:47:32,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2018-10-10 15:47:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-10-10 15:47:32,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 134 transitions. [2018-10-10 15:47:32,997 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 134 transitions. Word has length 130 [2018-10-10 15:47:32,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:47:32,997 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 134 transitions. [2018-10-10 15:47:32,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 15:47:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 134 transitions. [2018-10-10 15:47:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-10 15:47:33,000 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:47:33,000 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] [2018-10-10 15:47:33,001 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:47:33,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:47:33,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1432165919, now seen corresponding path program 2 times [2018-10-10 15:47:33,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:47:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:47:33,251 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 15:47:33,251 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:47:33,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-10 15:47:33,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 15:47:33,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 15:47:33,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 15:47:33,253 INFO L87 Difference]: Start difference. First operand 134 states and 134 transitions. Second operand 6 states. [2018-10-10 15:47:33,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:47:33,400 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-10-10 15:47:33,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 15:47:33,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2018-10-10 15:47:33,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:47:33,403 INFO L225 Difference]: With dead ends: 139 [2018-10-10 15:47:33,403 INFO L226 Difference]: Without dead ends: 139 [2018-10-10 15:47:33,404 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 15:47:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-10-10 15:47:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2018-10-10 15:47:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-10-10 15:47:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-10-10 15:47:33,414 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 133 [2018-10-10 15:47:33,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:47:33,415 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-10-10 15:47:33,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 15:47:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-10-10 15:47:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-10 15:47:33,418 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:47:33,418 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] [2018-10-10 15:47:33,418 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:47:33,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:47:33,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1916071930, now seen corresponding path program 3 times [2018-10-10 15:47:33,420 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:47:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:47:33,611 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 15:47:33,611 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:47:33,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-10 15:47:33,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 15:47:33,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 15:47:33,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-10 15:47:33,613 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 7 states. [2018-10-10 15:47:34,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:47:34,116 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2018-10-10 15:47:34,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-10 15:47:34,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2018-10-10 15:47:34,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:47:34,120 INFO L225 Difference]: With dead ends: 140 [2018-10-10 15:47:34,120 INFO L226 Difference]: Without dead ends: 140 [2018-10-10 15:47:34,123 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-10 15:47:34,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-10-10 15:47:34,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-10-10 15:47:34,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-10-10 15:47:34,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 140 transitions. [2018-10-10 15:47:34,144 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 140 transitions. Word has length 136 [2018-10-10 15:47:34,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:47:34,145 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 140 transitions. [2018-10-10 15:47:34,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 15:47:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 140 transitions. [2018-10-10 15:47:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-10 15:47:34,152 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:47:34,152 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:47:34,155 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:47:34,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:47:34,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1345618111, now seen corresponding path program 4 times [2018-10-10 15:47:34,157 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:47:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:47:34,702 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 15:47:34,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:47:34,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 15:47:34,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 15:47:34,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 15:47:34,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:47:34,704 INFO L87 Difference]: Start difference. First operand 140 states and 140 transitions. Second operand 8 states. [2018-10-10 15:47:34,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:47:34,986 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-10-10 15:47:34,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 15:47:34,987 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2018-10-10 15:47:34,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:47:34,988 INFO L225 Difference]: With dead ends: 138 [2018-10-10 15:47:34,988 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:47:34,989 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 15:47:34,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:47:34,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:47:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:47:34,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:47:34,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2018-10-10 15:47:34,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:47:34,991 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:47:34,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 15:47:34,991 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:47:34,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:47:34,997 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_false-valid-free.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:47:34 BoogieIcfgContainer [2018-10-10 15:47:34,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:47:34,998 INFO L168 Benchmark]: Toolchain (without parser) took 4382.86 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: 306.6 MB). Peak memory consumption was 306.6 MB. Max. memory is 7.1 GB. [2018-10-10 15:47:35,000 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 15:47:35,000 INFO L168 Benchmark]: Boogie Preprocessor took 82.17 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 15:47:35,001 INFO L168 Benchmark]: RCFGBuilder took 896.51 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-10 15:47:35,002 INFO L168 Benchmark]: TraceAbstraction took 3397.71 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: 264.3 MB). Peak memory consumption was 264.3 MB. Max. memory is 7.1 GB. [2018-10-10 15:47:35,006 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 82.17 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 896.51 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3397.71 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: 264.3 MB). Peak memory consumption was 264.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 132 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 593 SDtfs, 491 SDslu, 1417 SDs, 0 SdLazy, 211 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 665 NumberOfCodeBlocks, 665 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 660 ConstructedInterpolants, 0 QuantifiedInterpolants, 197442 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-2.1_false-valid-free.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-47-35-018.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2.1_false-valid-free.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-47-35-018.csv Received shutdown request...