/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-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/LBE_example_semanticCheck.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 13:12:44,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 13:12:44,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 13:12:44,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 13:12:44,605 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-FA-NoLbe-Separate.epf [2021-06-05 13:12:44,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 13:12:44,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 13:12:44,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 13:12:44,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 13:12:44,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 13:12:44,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 13:12:44,643 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 13:12:44,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 13:12:44,643 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 13:12:44,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 13:12:44,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 13:12:44,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 13:12:44,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 13:12:44,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 13:12:44,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 13:12:44,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 13:12:44,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 13:12:44,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 13:12:44,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 13:12:44,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 13:12:44,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 13:12:44,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 13:12:44,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 13:12:44,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 13:12:44,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 13:12:44,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 13:12:44,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 13:12:44,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 13:12:44,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 13:12:44,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 13:12:44,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 13:12:44,646 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 13:12:44,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 13:12:44,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 13:12:44,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 13:12:44,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 13:12:44,954 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-05 13:12:44,955 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-05 13:12:44,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_example_semanticCheck.bpl [2021-06-05 13:12:44,956 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_example_semanticCheck.bpl' [2021-06-05 13:12:44,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 13:12:44,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-05 13:12:44,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 13:12:44,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 13:12:44,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 13:12:45,009 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 05.06 01:12:44" (1/1) ... [2021-06-05 13:12:45,014 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 05.06 01:12:44" (1/1) ... [2021-06-05 13:12:45,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 13:12:45,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 13:12:45,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 13:12:45,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 13:12:45,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 01:12:44" (1/1) ... [2021-06-05 13:12:45,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 01:12:44" (1/1) ... [2021-06-05 13:12:45,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 01:12:44" (1/1) ... [2021-06-05 13:12:45,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 01:12:44" (1/1) ... [2021-06-05 13:12:45,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 01:12:44" (1/1) ... [2021-06-05 13:12:45,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 01:12:44" (1/1) ... [2021-06-05 13:12:45,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 01:12:44" (1/1) ... [2021-06-05 13:12:45,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 13:12:45,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 13:12:45,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 13:12:45,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 13:12:45,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 01:12:44" (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 [2021-06-05 13:12:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-05 13:12:45,101 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-05 13:12:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 13:12:45,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 13:12:45,102 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 13:12:45,215 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 13:12:45,215 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-05 13:12:45,216 INFO L202 PluginConnector]: Adding new model LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 01:12:45 BoogieIcfgContainer [2021-06-05 13:12:45,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 13:12:45,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 13:12:45,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 13:12:45,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 13:12:45,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 01:12:44" (1/2) ... [2021-06-05 13:12:45,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b0b8ca and model type LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 01:12:45, skipping insertion in model container [2021-06-05 13:12:45,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 01:12:45" (2/2) ... [2021-06-05 13:12:45,224 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_example_semanticCheck.bpl [2021-06-05 13:12:45,229 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 13:12:45,229 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 13:12:45,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 13:12:45,230 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 13:12:45,251 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-05 13:12:45,268 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 13:12:45,284 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 13:12:45,285 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 13:12:45,285 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 13:12:45,285 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 13:12:45,285 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 13:12:45,285 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 13:12:45,286 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 13:12:45,286 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 13:12:45,293 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 9 transitions, 26 flow [2021-06-05 13:12:45,301 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 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) [2021-06-05 13:12:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 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) [2021-06-05 13:12:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-06-05 13:12:45,308 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 13:12:45,309 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-06-05 13:12:45,309 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 13:12:45,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 13:12:45,314 INFO L82 PathProgramCache]: Analyzing trace with hash 48430, now seen corresponding path program 1 times [2021-06-05 13:12:45,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 13:12:45,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45203791] [2021-06-05 13:12:45,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 13:12:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 13:12:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 13:12:45,442 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 13:12:45,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45203791] [2021-06-05 13:12:45,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45203791] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 13:12:45,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 13:12:45,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 13:12:45,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749753402] [2021-06-05 13:12:45,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 13:12:45,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 13:12:45,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 13:12:45,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 13:12:45,467 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 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) Second operand 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) [2021-06-05 13:12:45,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 13:12:45,485 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-06-05 13:12:45,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 13:12:45,487 INFO L78 Accepts]: Start accepts. 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) Word has length 3 [2021-06-05 13:12:45,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 13:12:45,491 INFO L225 Difference]: With dead ends: 12 [2021-06-05 13:12:45,491 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 13:12:45,493 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 13:12:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 13:12:45,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 13:12:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-06-05 13:12:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 13:12:45,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2021-06-05 13:12:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 13:12:45,511 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 13:12:45,511 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) [2021-06-05 13:12:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 13:12:45,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 13:12:45,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 13:12:45,514 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 13:12:45,516 INFO L202 PluginConnector]: Adding new model LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 01:12:45 BasicIcfg [2021-06-05 13:12:45,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 13:12:45,519 INFO L168 Benchmark]: Toolchain (without parser) took 531.16 ms. Allocated memory is still 394.3 MB. Free memory was 373.6 MB in the beginning and 370.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. [2021-06-05 13:12:45,520 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 394.3 MB. Free memory was 374.5 MB in the beginning and 374.5 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 13:12:45,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.87 ms. Allocated memory is still 394.3 MB. Free memory was 373.5 MB in the beginning and 372.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 13:12:45,522 INFO L168 Benchmark]: Boogie Preprocessor took 8.43 ms. Allocated memory is still 394.3 MB. Free memory was 372.0 MB in the beginning and 371.2 MB in the end (delta: 848.6 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-05 13:12:45,523 INFO L168 Benchmark]: RCFGBuilder took 185.88 ms. Allocated memory is still 394.3 MB. Free memory was 371.1 MB in the beginning and 363.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-06-05 13:12:45,524 INFO L168 Benchmark]: TraceAbstraction took 297.75 ms. Allocated memory is still 394.3 MB. Free memory was 362.9 MB in the beginning and 370.5 MB in the end (delta: -7.6 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 13:12:45,532 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 0.13 ms. Allocated memory is still 394.3 MB. Free memory was 374.5 MB in the beginning and 374.5 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.87 ms. Allocated memory is still 394.3 MB. Free memory was 373.5 MB in the beginning and 372.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 8.43 ms. Allocated memory is still 394.3 MB. Free memory was 372.0 MB in the beginning and 371.2 MB in the end (delta: 848.6 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 185.88 ms. Allocated memory is still 394.3 MB. Free memory was 371.1 MB in the beginning and 363.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 297.75 ms. Allocated memory is still 394.3 MB. Free memory was 362.9 MB in the beginning and 370.5 MB in the end (delta: -7.6 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 21]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 230.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 6.9ms, AutomataDifference: 44.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 8 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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: 7.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.7ms SsaConstructionTime, 23.5ms SatisfiabilityAnalysisTime, 46.9ms 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...