/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/LBE_example_semanticCheck.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788
[2021-06-02 07:05:28,613 INFO L177 SettingsManager]: Resetting all preferences to default values...
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[2021-06-02 07:05:28,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf
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[2021-06-02 07:05:28,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-02 07:05:28,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-02 07:05:28,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-02 07:05:28,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-02 07:05:28,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-06-02 07:05:28,716 INFO L138 SettingsManager]: * Use SBE=true
[2021-06-02 07:05:28,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-02 07:05:28,717 INFO L138 SettingsManager]: * sizeof long=4
[2021-06-02 07:05:28,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-06-02 07:05:28,717 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-06-02 07:05:28,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-06-02 07:05:28,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-06-02 07:05:28,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-02 07:05:28,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-06-02 07:05:28,718 INFO L138 SettingsManager]: * sizeof long double=12
[2021-06-02 07:05:28,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-06-02 07:05:28,718 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-06-02 07:05:28,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-06-02 07:05:28,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-02 07:05:28,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-06-02 07:05:28,718 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-06-02 07:05:28,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-06-02 07:05:28,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-02 07:05:28,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-02 07:05:28,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-06-02 07:05:28,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-02 07:05:28,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-06-02 07:05:28,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-02 07:05:28,719 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-06-02 07:05:28,719 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-06-02 07:05:28,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-02 07:05:28,719 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET
[2021-06-02 07:05:28,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-02 07:05:28,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-02 07:05:28,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-02 07:05:28,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-02 07:05:28,995 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-06-02 07:05:28,996 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2021-06-02 07:05:28,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_example_semanticCheck.bpl
[2021-06-02 07:05:28,997 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_example_semanticCheck.bpl'
[2021-06-02 07:05:29,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-02 07:05:29,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-06-02 07:05:29,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-02 07:05:29,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-02 07:05:29,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-02 07:05:29,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/1) ...
[2021-06-02 07:05:29,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/1) ...
[2021-06-02 07:05:29,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-02 07:05:29,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-02 07:05:29,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-02 07:05:29,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-06-02 07:05:29,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/1) ...
[2021-06-02 07:05:29,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/1) ...
[2021-06-02 07:05:29,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/1) ...
[2021-06-02 07:05:29,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/1) ...
[2021-06-02 07:05:29,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/1) ...
[2021-06-02 07:05:29,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/1) ...
[2021-06-02 07:05:29,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/1) ...
[2021-06-02 07:05:29,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-02 07:05:29,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-02 07:05:29,052 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-06-02 07:05:29,052 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-06-02 07:05:29,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-02 07:05:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure foo
[2021-06-02 07:05:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure foo
[2021-06-02 07:05:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-02 07:05:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-02 07:05:29,109 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-02 07:05:29,194 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-02 07:05:29,194 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-06-02 07:05:29,196 INFO L202 PluginConnector]: Adding new model LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:05:29 BoogieIcfgContainer
[2021-06-02 07:05:29,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-02 07:05:29,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-02 07:05:29,197 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-06-02 07:05:29,199 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-06-02 07:05:29,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:05:29" (1/2) ...
[2021-06-02 07:05:29,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521d884f and model type LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 07:05:29, skipping insertion in model container
[2021-06-02 07:05:29,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:05:29" (2/2) ...
[2021-06-02 07:05:29,201 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_example_semanticCheck.bpl
[2021-06-02 07:05:29,207 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-02 07:05:29,208 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-02 07:05:29,208 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-02 07:05:29,209 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-02 07:05:29,236 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2021-06-02 07:05:29,249 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-06-02 07:05:29,285 INFO L378 AbstractCegarLoop]: Interprodecural is true
[2021-06-02 07:05:29,286 INFO L379 AbstractCegarLoop]: Hoare is false
[2021-06-02 07:05:29,286 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-02 07:05:29,286 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-02 07:05:29,286 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-02 07:05:29,286 INFO L383 AbstractCegarLoop]: Difference is false
[2021-06-02 07:05:29,286 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-02 07:05:29,286 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-02 07:05:29,394 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-02 07:05:29,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 07:05:29,397 INFO L82 PathProgramCache]: Analyzing trace with hash 48430, now seen corresponding path program 1 times
[2021-06-02 07:05:29,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 07:05:29,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685290506]
[2021-06-02 07:05:29,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 07:05:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 07:05:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 07:05:29,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 07:05:29,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685290506]
[2021-06-02 07:05:29,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685290506] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 07:05:29,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 07:05:29,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-06-02 07:05:29,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106054728]
[2021-06-02 07:05:29,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-06-02 07:05:29,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 07:05:29,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-06-02 07:05:29,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-06-02 07:05:29,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-06-02 07:05:29,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 07:05:29,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-02 07:05:29,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-06-02 07:05:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-06-02 07:05:29,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-02 07:05:29,563 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-02 07:05:29,564 INFO L202 PluginConnector]: Adding new model LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 07:05:29 BasicIcfg
[2021-06-02 07:05:29,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-02 07:05:29,565 INFO L168 Benchmark]: Toolchain (without parser) took 539.99 ms. Allocated memory is still 346.0 MB. Free memory was 325.8 MB in the beginning and 317.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.0 GB.
[2021-06-02 07:05:29,566 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 346.0 MB. Free memory was 326.8 MB in the beginning and 326.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-02 07:05:29,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.42 ms. Allocated memory is still 346.0 MB. Free memory was 325.7 MB in the beginning and 324.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-02 07:05:29,566 INFO L168 Benchmark]: Boogie Preprocessor took 8.83 ms. Allocated memory is still 346.0 MB. Free memory was 324.2 MB in the beginning and 323.4 MB in the end (delta: 865.4 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB.
[2021-06-02 07:05:29,567 INFO L168 Benchmark]: RCFGBuilder took 143.85 ms. Allocated memory is still 346.0 MB. Free memory was 323.4 MB in the beginning and 315.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB.
[2021-06-02 07:05:29,567 INFO L168 Benchmark]: TraceAbstraction took 366.85 ms. Allocated memory is still 346.0 MB. Free memory was 315.1 MB in the beginning and 317.7 MB in the end (delta: -2.7 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-02 07:05:29,569 INFO L339 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 0.11 ms. Allocated memory is still 346.0 MB. Free memory was 326.8 MB in the beginning and 326.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 16.42 ms. Allocated memory is still 346.0 MB. Free memory was 325.7 MB in the beginning and 324.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB.
* Boogie Preprocessor took 8.83 ms. Allocated memory is still 346.0 MB. Free memory was 324.2 MB in the beginning and 323.4 MB in the end (delta: 865.4 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB.
* RCFGBuilder took 143.85 ms. Allocated memory is still 346.0 MB. Free memory was 323.4 MB in the beginning and 315.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 366.85 ms. Allocated memory is still 346.0 MB. Free memory was 315.1 MB in the beginning and 317.7 MB in the end (delta: -2.7 MB). There was no memory consumed. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 38, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 68, positive conditional: 1, positive unconditional: 67, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 1, Positive unconditional cache size: 24, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 68, positive conditional: 1, positive unconditional: 67, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 1, Positive unconditional cache size: 24, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 1
- StatisticsResult: Persistent set benchmarks
Persistent set computation time[ms]: 96, Number of persistent set computation: 28, Number of trivial persistent sets: 26, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 38, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 68, positive conditional: 1, positive unconditional: 67, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 1, Positive unconditional cache size: 24, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4
- PositiveResult [Line: 21]: assertion always holds
For all program executions holds that assertion always holds at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 3 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 303.1ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.9ms, PartialOrderReductionTime: 142.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.8ms SsaConstructionTime, 7.7ms SatisfiabilityAnalysisTime, 38.7ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
Received shutdown request...