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/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:45:16,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:45:16,008 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:45:16,023 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:45:16,023 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:45:16,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:45:16,027 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:45:16,029 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:45:16,030 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:45:16,031 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:45:16,032 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-10 15:45:16,057 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 15:45:16,066 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:45:16,066 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:45:16,068 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:45:16,068 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:45:16,068 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:45:16,068 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:45:16,069 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:45:16,069 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:45:16,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:45:16,070 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:45:16,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:45:16,070 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:45:16,070 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:45:16,072 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:45:16,072 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:45:16,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:45:16,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:45:16,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:45:16,162 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:45:16,162 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:45:16,163 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl [2018-10-10 15:45:16,163 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl' [2018-10-10 15:45:16,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:45:16,263 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:45:16,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:45:16,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:45:16,264 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:45:16,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:16" (1/1) ... [2018-10-10 15:45:16,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:16" (1/1) ... [2018-10-10 15:45:16,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:16" (1/1) ... [2018-10-10 15:45:16,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:16" (1/1) ... [2018-10-10 15:45:16,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:16" (1/1) ... [2018-10-10 15:45:16,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:16" (1/1) ... [2018-10-10 15:45:16,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:16" (1/1) ... [2018-10-10 15:45:16,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:45:16,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:45:16,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:45:16,360 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:45:16,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 15:45:16,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:45:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:45:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:45:17,235 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:45:17,236 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:45:17 BoogieIcfgContainer [2018-10-10 15:45:17,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:45:17,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:45:17,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:45:17,241 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:45:17,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:45:16" (1/2) ... [2018-10-10 15:45:17,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9b85a0 and model type sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:45:17, skipping insertion in model container [2018-10-10 15:45:17,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:45:17" (2/2) ... [2018-10-10 15:45:17,245 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl [2018-10-10 15:45:17,254 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:45:17,263 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:45:17,280 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:45:17,309 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:45:17,310 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:45:17,311 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:45:17,311 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:45:17,311 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:45:17,311 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:45:17,311 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:45:17,311 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:45:17,312 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:45:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-10-10 15:45:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-10 15:45:17,350 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:45:17,351 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] [2018-10-10 15:45:17,352 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:45:17,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:45:17,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1830300664, now seen corresponding path program 1 times [2018-10-10 15:45:17,408 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:45:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:45:17,928 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 15:45:17,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:45:17,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 15:45:17,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 15:45:17,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 15:45:17,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-10 15:45:17,958 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 9 states. [2018-10-10 15:45:18,679 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-10 15:45:19,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:19,150 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-10-10 15:45:19,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-10 15:45:19,152 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 44 [2018-10-10 15:45:19,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:19,168 INFO L225 Difference]: With dead ends: 105 [2018-10-10 15:45:19,168 INFO L226 Difference]: Without dead ends: 97 [2018-10-10 15:45:19,173 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2018-10-10 15:45:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-10-10 15:45:19,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 92. [2018-10-10 15:45:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-10-10 15:45:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-10-10 15:45:19,220 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 44 [2018-10-10 15:45:19,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:19,221 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-10-10 15:45:19,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 15:45:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-10-10 15:45:19,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-10 15:45:19,225 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:45:19,225 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-10 15:45:19,226 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:45:19,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:45:19,226 INFO L82 PathProgramCache]: Analyzing trace with hash 419515053, now seen corresponding path program 1 times [2018-10-10 15:45:19,228 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:45:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:45:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:45:19,681 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:45:19,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-10-10 15:45:19,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 15:45:19,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 15:45:19,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-10-10 15:45:19,684 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 11 states. [2018-10-10 15:45:20,260 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-10 15:45:20,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:20,804 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-10-10 15:45:20,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 15:45:20,805 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 91 [2018-10-10 15:45:20,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:20,809 INFO L225 Difference]: With dead ends: 167 [2018-10-10 15:45:20,809 INFO L226 Difference]: Without dead ends: 159 [2018-10-10 15:45:20,811 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2018-10-10 15:45:20,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-10-10 15:45:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 139. [2018-10-10 15:45:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-10-10 15:45:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-10-10 15:45:20,827 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 91 [2018-10-10 15:45:20,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:20,828 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-10-10 15:45:20,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 15:45:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-10-10 15:45:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-10 15:45:20,833 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:45:20,834 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-10 15:45:20,834 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:45:20,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:45:20,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1207921000, now seen corresponding path program 2 times [2018-10-10 15:45:20,836 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:45:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:45:21,484 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-10 15:45:21,728 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-10 15:45:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:45:22,012 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:45:22,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-10-10 15:45:22,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-10 15:45:22,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-10 15:45:22,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-10-10 15:45:22,014 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 15 states. [2018-10-10 15:45:24,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:24,186 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-10-10 15:45:24,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-10 15:45:24,187 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-10-10 15:45:24,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:24,191 INFO L225 Difference]: With dead ends: 199 [2018-10-10 15:45:24,192 INFO L226 Difference]: Without dead ends: 191 [2018-10-10 15:45:24,193 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=452, Invalid=1270, Unknown=0, NotChecked=0, Total=1722 [2018-10-10 15:45:24,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-10-10 15:45:24,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 186. [2018-10-10 15:45:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-10-10 15:45:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 186 transitions. [2018-10-10 15:45:24,207 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 186 transitions. Word has length 138 [2018-10-10 15:45:24,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:24,208 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 186 transitions. [2018-10-10 15:45:24,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-10 15:45:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 186 transitions. [2018-10-10 15:45:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-10 15:45:24,212 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:45:24,212 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-10 15:45:24,213 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:45:24,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:45:24,213 INFO L82 PathProgramCache]: Analyzing trace with hash -348272307, now seen corresponding path program 3 times [2018-10-10 15:45:24,214 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:45:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:45:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-10 15:45:25,073 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:45:25,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-10 15:45:25,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-10 15:45:25,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-10 15:45:25,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-10-10 15:45:25,074 INFO L87 Difference]: Start difference. First operand 186 states and 186 transitions. Second operand 21 states. [2018-10-10 15:45:26,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:26,683 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-10-10 15:45:26,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 15:45:26,684 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 185 [2018-10-10 15:45:26,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:26,685 INFO L225 Difference]: With dead ends: 184 [2018-10-10 15:45:26,685 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:45:26,687 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=360, Invalid=1280, Unknown=0, NotChecked=0, Total=1640 [2018-10-10 15:45:26,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:45:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:45:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:45:26,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:45:26,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2018-10-10 15:45:26,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:26,689 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:45:26,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-10 15:45:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:45:26,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:45:26,694 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:45:26 BoogieIcfgContainer [2018-10-10 15:45:26,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:45:26,696 INFO L168 Benchmark]: Toolchain (without parser) took 10434.14 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 36.7 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 328.3 MB). Peak memory consumption was 365.0 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:26,698 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:45:26,698 INFO L168 Benchmark]: Boogie Preprocessor took 95.94 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 15:45:26,699 INFO L168 Benchmark]: RCFGBuilder took 876.50 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 15:45:26,700 INFO L168 Benchmark]: TraceAbstraction took 9457.10 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 36.7 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 296.6 MB). Peak memory consumption was 333.3 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:26,704 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.94 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 876.50 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 9457.10 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 36.7 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 296.6 MB). Peak memory consumption was 333.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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, 92 locations, 1 error locations. SAFE Result, 9.3s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 257 SDtfs, 2522 SDslu, 1373 SDs, 0 SdLazy, 1107 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred 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, 30 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 454 ConstructedInterpolants, 0 QuantifiedInterpolants, 665912 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 34/200 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/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-45-26-717.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_27.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-45-26-717.csv Received shutdown request...