/usr/bin/java -Xmx8000000000 -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-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/ThreadIdListTest-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:32:54,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:32:54,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:32:54,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 16:32:54,161 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-Delay.epf [2021-06-16 16:32:54,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:32:54,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:32:54,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:32:54,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:32:54,204 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:32:54,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:32:54,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:32:54,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:32:54,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:32:54,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:32:54,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:32:54,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:32:54,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:32:54,206 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:32:54,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:32:54,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:32:54,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:32:54,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:32:54,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:32:54,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:32:54,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:32:54,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:32:54,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:32:54,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:32:54,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:32:54,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:32:54,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:32:54,208 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:32:54,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:32:54,208 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:32:54,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:32:54,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:32:54,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:32:54,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:32:54,555 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 16:32:54,556 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 16:32:54,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThreadIdListTest-Safe.bpl [2021-06-16 16:32:54,557 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThreadIdListTest-Safe.bpl' [2021-06-16 16:32:54,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:32:54,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 16:32:54,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:32:54,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:32:54,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:32:54,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/1) ... [2021-06-16 16:32:54,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/1) ... [2021-06-16 16:32:54,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:32:54,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:32:54,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:32:54,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:32:54,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/1) ... [2021-06-16 16:32:54,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/1) ... [2021-06-16 16:32:54,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/1) ... [2021-06-16 16:32:54,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/1) ... [2021-06-16 16:32:54,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/1) ... [2021-06-16 16:32:54,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/1) ... [2021-06-16 16:32:54,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/1) ... [2021-06-16 16:32:54,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:32:54,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:32:54,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:32:54,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:32:54,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (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 [2021-06-16 16:32:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure decrement [2021-06-16 16:32:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure decrement [2021-06-16 16:32:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2021-06-16 16:32:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2021-06-16 16:32:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:32:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:32:54,720 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 16:32:54,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:32:54,857 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 16:32:54,859 INFO L202 PluginConnector]: Adding new model ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:32:54 BoogieIcfgContainer [2021-06-16 16:32:54,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:32:54,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:32:54,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:32:54,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:32:54,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:32:54" (1/2) ... [2021-06-16 16:32:54,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3c1f59 and model type ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:32:54, skipping insertion in model container [2021-06-16 16:32:54,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:32:54" (2/2) ... [2021-06-16 16:32:54,867 INFO L111 eAbstractionObserver]: Analyzing ICFG ThreadIdListTest-Safe.bpl [2021-06-16 16:32:54,876 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:32:54,876 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:32:54,877 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 16:32:54,878 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:32:54,910 WARN L313 ript$VariableManager]: TermVariabe decrementThread1of1ForFork1_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,910 WARN L313 ript$VariableManager]: TermVariabe decrementThread1of1ForFork1_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,911 WARN L313 ript$VariableManager]: TermVariabe decrementThread1of1ForFork1_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,912 WARN L313 ript$VariableManager]: TermVariabe decrementThread1of1ForFork1_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,913 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,913 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,914 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,915 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,917 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,927 WARN L313 ript$VariableManager]: TermVariabe decrementThread1of1ForFork1_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:32:54,939 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-16 16:32:54,961 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-16 16:32:54,989 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:32:54,989 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:32:54,989 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:32:54,989 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:32:54,989 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:32:54,989 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:32:54,989 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:32:54,990 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 16:32:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 25 states have internal predecessors, (25), 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) [2021-06-16 16:32:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-06-16 16:32:55,066 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:32:55,067 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:32:55,067 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:32:55,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:32:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1333932580, now seen corresponding path program 1 times [2021-06-16 16:32:55,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:32:55,083 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87817516] [2021-06-16 16:32:55,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:32:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:32:55,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:32:55,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:32:55,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:32:55,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:32:55,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:32:55,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:32:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:32:55,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:32:55,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87817516] [2021-06-16 16:32:55,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87817516] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:32:55,243 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:32:55,243 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 16:32:55,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003687015] [2021-06-16 16:32:55,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 16:32:55,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:32:55,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 16:32:55,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 16:32:55,266 INFO L87 Difference]: Start difference. First operand has 26 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 25 states have internal predecessors, (25), 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, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-06-16 16:32:55,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:32:55,280 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2021-06-16 16:32:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 16:32:55,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2021-06-16 16:32:55,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:32:55,286 INFO L225 Difference]: With dead ends: 14 [2021-06-16 16:32:55,286 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 16:32:55,287 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 16:32:55,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 16:32:55,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 16:32:55,304 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) [2021-06-16 16:32:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 16:32:55,305 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-06-16 16:32:55,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:32:55,306 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 16:32:55,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-06-16 16:32:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 16:32:55,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:32:55,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 16:32:55,311 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:32:55,312 INFO L202 PluginConnector]: Adding new model ThreadIdListTest-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:32:55 BasicIcfg [2021-06-16 16:32:55,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:32:55,315 INFO L168 Benchmark]: Toolchain (without parser) took 720.27 ms. Allocated memory is still 204.5 MB. Free memory was 184.1 MB in the beginning and 183.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.4 MB. Max. memory is 8.0 GB. [2021-06-16 16:32:55,315 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 204.5 MB. Free memory is still 185.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:32:55,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.81 ms. Allocated memory is still 204.5 MB. Free memory was 184.0 MB in the beginning and 182.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:32:55,317 INFO L168 Benchmark]: Boogie Preprocessor took 12.87 ms. Allocated memory is still 204.5 MB. Free memory was 182.5 MB in the beginning and 181.6 MB in the end (delta: 841.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 16:32:55,318 INFO L168 Benchmark]: RCFGBuilder took 216.46 ms. Allocated memory is still 204.5 MB. Free memory was 181.6 MB in the beginning and 173.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-06-16 16:32:55,318 INFO L168 Benchmark]: TraceAbstraction took 451.10 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 183.1 MB in the end (delta: -10.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:32:55,326 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 0.16 ms. Allocated memory is still 204.5 MB. Free memory is still 185.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.81 ms. Allocated memory is still 204.5 MB. Free memory was 184.0 MB in the beginning and 182.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.87 ms. Allocated memory is still 204.5 MB. Free memory was 182.5 MB in the beginning and 181.6 MB in the end (delta: 841.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 216.46 ms. Allocated memory is still 204.5 MB. Free memory was 181.6 MB in the beginning and 173.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 451.10 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 183.1 MB in the end (delta: -10.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 3 - PositiveResult [Line: 22]: 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 5 procedures, 22 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 323.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 7.4ms, AutomataDifference: 37.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 69.4ms, PartialOrderReductionTime: 56.9ms, HoareTripleCheckerStatistics: 7 SDtfs, 2 SDslu, 1 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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: 7.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.9ms SsaConstructionTime, 20.3ms SatisfiabilityAnalysisTime, 75.4ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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...