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-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:56:42,928 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:56:42,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:56:42,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:56:42,950 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:56:42,951 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:56:42,952 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:56:42,957 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:56:42,959 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:56:42,960 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:56:42,960 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-14 16:56:42,990 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 16:56:43,004 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:56:43,005 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:56:43,006 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:56:43,009 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:56:43,009 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:56:43,009 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:56:43,010 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:56:43,010 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:56:43,011 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:56:43,011 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:56:43,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:56:43,011 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:56:43,011 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:56:43,013 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:56:43,013 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:56:43,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:56:43,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:56:43,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:56:43,102 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:56:43,102 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:56:43,103 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl [2018-10-14 16:56:43,103 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl' [2018-10-14 16:56:43,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:56:43,179 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:56:43,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:56:43,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:56:43,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:56:43,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:43" (1/1) ... [2018-10-14 16:56:43,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:43" (1/1) ... [2018-10-14 16:56:43,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:43" (1/1) ... [2018-10-14 16:56:43,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:43" (1/1) ... [2018-10-14 16:56:43,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:43" (1/1) ... [2018-10-14 16:56:43,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:43" (1/1) ... [2018-10-14 16:56:43,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:43" (1/1) ... [2018-10-14 16:56:43,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:56:43,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:56:43,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:56:43,251 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:56:43,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:43" (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 [2018-10-14 16:56:43,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:56:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:56:44,118 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:56:44,119 INFO L202 PluginConnector]: Adding new model test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:56:44 BoogieIcfgContainer [2018-10-14 16:56:44,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:56:44,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:56:44,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:56:44,125 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:56:44,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:43" (1/2) ... [2018-10-14 16:56:44,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afc4429 and model type test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:56:44, skipping insertion in model container [2018-10-14 16:56:44,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:56:44" (2/2) ... [2018-10-14 16:56:44,129 INFO L112 eAbstractionObserver]: Analyzing ICFG test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl [2018-10-14 16:56:44,140 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:56:44,152 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:56:44,169 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:56:44,203 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:56:44,204 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:56:44,204 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:56:44,205 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:56:44,205 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:56:44,206 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:56:44,206 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:56:44,206 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:56:44,206 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:56:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2018-10-14 16:56:44,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-14 16:56:44,257 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:44,259 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] [2018-10-14 16:56:44,260 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:44,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:44,268 INFO L82 PathProgramCache]: Analyzing trace with hash 989822711, now seen corresponding path program 1 times [2018-10-14 16:56:44,322 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:44,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:56:44,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-14 16:56:44,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-14 16:56:44,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-14 16:56:44,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-14 16:56:44,656 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 4 states. [2018-10-14 16:56:44,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:44,822 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-10-14 16:56:44,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-14 16:56:44,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2018-10-14 16:56:44,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:44,839 INFO L225 Difference]: With dead ends: 103 [2018-10-14 16:56:44,839 INFO L226 Difference]: Without dead ends: 103 [2018-10-14 16:56:44,841 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 [2018-10-14 16:56:44,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-14 16:56:44,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 100. [2018-10-14 16:56:44,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-14 16:56:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-10-14 16:56:44,888 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 95 [2018-10-14 16:56:44,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:44,890 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-10-14 16:56:44,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-14 16:56:44,890 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-10-14 16:56:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-14 16:56:44,894 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:44,894 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] [2018-10-14 16:56:44,894 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:44,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:44,895 INFO L82 PathProgramCache]: Analyzing trace with hash 447262837, now seen corresponding path program 1 times [2018-10-14 16:56:44,896 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:45,136 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:45,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-14 16:56:45,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-14 16:56:45,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-14 16:56:45,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-14 16:56:45,140 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 5 states. [2018-10-14 16:56:45,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:45,348 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-10-14 16:56:45,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-14 16:56:45,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-10-14 16:56:45,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:45,352 INFO L225 Difference]: With dead ends: 107 [2018-10-14 16:56:45,353 INFO L226 Difference]: Without dead ends: 107 [2018-10-14 16:56:45,354 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:56:45,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-10-14 16:56:45,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2018-10-14 16:56:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-10-14 16:56:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2018-10-14 16:56:45,364 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 99 [2018-10-14 16:56:45,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:45,365 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2018-10-14 16:56:45,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-14 16:56:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2018-10-14 16:56:45,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-14 16:56:45,368 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:45,369 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:56:45,369 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:45,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:45,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1220480269, now seen corresponding path program 2 times [2018-10-14 16:56:45,371 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:45,543 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:45,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-14 16:56:45,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 16:56:45,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 16:56:45,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:56:45,545 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand 6 states. [2018-10-14 16:56:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:45,761 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-10-14 16:56:45,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-14 16:56:45,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-10-14 16:56:45,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:45,764 INFO L225 Difference]: With dead ends: 111 [2018-10-14 16:56:45,764 INFO L226 Difference]: Without dead ends: 111 [2018-10-14 16:56:45,764 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:56:45,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-10-14 16:56:45,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2018-10-14 16:56:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-14 16:56:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-10-14 16:56:45,774 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 103 [2018-10-14 16:56:45,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:45,775 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-10-14 16:56:45,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 16:56:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-10-14 16:56:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-14 16:56:45,777 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:45,778 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:56:45,778 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:45,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:45,779 INFO L82 PathProgramCache]: Analyzing trace with hash -254294415, now seen corresponding path program 3 times [2018-10-14 16:56:45,780 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:46,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:46,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-14 16:56:46,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-14 16:56:46,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-14 16:56:46,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-14 16:56:46,061 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 7 states. [2018-10-14 16:56:46,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:46,557 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-10-14 16:56:46,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-14 16:56:46,557 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2018-10-14 16:56:46,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:46,560 INFO L225 Difference]: With dead ends: 112 [2018-10-14 16:56:46,560 INFO L226 Difference]: Without dead ends: 112 [2018-10-14 16:56:46,561 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-14 16:56:46,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-10-14 16:56:46,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-10-14 16:56:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-14 16:56:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-10-14 16:56:46,572 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 107 [2018-10-14 16:56:46,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:46,572 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-10-14 16:56:46,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-14 16:56:46,572 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-10-14 16:56:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-14 16:56:46,577 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:46,577 INFO L375 BasicCegarLoop]: trace histogram [4, 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] [2018-10-14 16:56:46,577 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:46,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:46,579 INFO L82 PathProgramCache]: Analyzing trace with hash 331131631, now seen corresponding path program 4 times [2018-10-14 16:56:46,580 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-14 16:56:47,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:56:47,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-14 16:56:47,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-14 16:56:47,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-14 16:56:47,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2018-10-14 16:56:47,445 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 15 states. [2018-10-14 16:56:48,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:48,876 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-10-14 16:56:48,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-10-14 16:56:48,877 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 111 [2018-10-14 16:56:48,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:48,877 INFO L225 Difference]: With dead ends: 110 [2018-10-14 16:56:48,877 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:56:48,878 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=363, Invalid=1043, Unknown=0, NotChecked=0, Total=1406 [2018-10-14 16:56:48,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:56:48,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:56:48,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:56:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:56:48,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2018-10-14 16:56:48,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:48,880 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:56:48,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-14 16:56:48,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:56:48,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:56:48,885 INFO L202 PluginConnector]: Adding new model test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:56:48 BoogieIcfgContainer [2018-10-14 16:56:48,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:56:48,886 INFO L168 Benchmark]: Toolchain (without parser) took 5708.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 348.9 MB). Peak memory consumption was 348.9 MB. Max. memory is 7.1 GB. [2018-10-14 16:56:48,888 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 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. [2018-10-14 16:56:48,889 INFO L168 Benchmark]: Boogie Preprocessor took 69.82 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. [2018-10-14 16:56:48,890 INFO L168 Benchmark]: RCFGBuilder took 868.38 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. [2018-10-14 16:56:48,891 INFO L168 Benchmark]: TraceAbstraction took 4764.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 317.2 MB). Peak memory consumption was 317.2 MB. Max. memory is 7.1 GB. [2018-10-14 16:56:48,895 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 0.16 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 69.82 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 868.38 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 4764.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 317.2 MB). Peak memory consumption was 317.2 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, 101 locations, 1 error locations. SAFE Result, 4.6s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 411 SDtfs, 527 SDslu, 1083 SDs, 0 SdLazy, 410 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 515 NumberOfCodeBlocks, 515 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 510 ConstructedInterpolants, 0 QuantifiedInterpolants, 146526 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 28/50 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-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-56-48-906.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-memleak_nexttime_true-valid-memsafety_true-termination.i_9.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-56-48-906.csv Received shutdown request...