/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-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/LBE_example_semanticCheck.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 03:27:20,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 03:27:20,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 03:27:20,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-14 03:27:20,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-14 03:27:20,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-14 03:27:20,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-14 03:27:20,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-14 03:27:20,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-14 03:27:20,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-14 03:27:20,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-14 03:27:20,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-14 03:27:20,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 03:27:20,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 03:27:20,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 03:27:20,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 03:27:20,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 03:27:20,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 03:27:20,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 03:27:20,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 03:27:20,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 03:27:20,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 03:27:20,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 03:27:20,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 03:27:20,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 03:27:20,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 03:27:20,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 03:27:20,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 03:27:20,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 03:27:20,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 03:27:20,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 03:27:20,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 03:27:20,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 03:27:20,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 03:27:20,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 03:27:20,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 03:27:20,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 03:27:20,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 03:27:20,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 03:27:20,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 03:27:20,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 03:27:20,700 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 03:27:20,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 03:27:20,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 03:27:20,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 03:27:20,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 03:27:20,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 03:27:20,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 03:27:20,737 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 03:27:20,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 03:27:20,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 03:27:20,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 03:27:20,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 03:27:20,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 03:27:20,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 03:27:20,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 03:27:20,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 03:27:20,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 03:27:20,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 03:27:20,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 03:27:20,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 03:27:20,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 03:27:20,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 03:27:20,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 03:27:20,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 03:27:20,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:27:20,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 03:27:20,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 03:27:20,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 03:27:20,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 03:27:20,742 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 03:27:20,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 03:27:20,742 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 03:27:20,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 03:27:20,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 03:27:20,743 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 03:27:20,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 03:27:20,743 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 03:27:21,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 03:27:21,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 03:27:21,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 03:27:21,089 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 03:27:21,090 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 03:27:21,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_example_semanticCheck.bpl [2021-06-14 03:27:21,092 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_example_semanticCheck.bpl' [2021-06-14 03:27:21,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 03:27:21,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 03:27:21,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 03:27:21,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 03:27:21,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 03:27:21,137 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 14.06 03:27:21" (1/1) ... [2021-06-14 03:27:21,144 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 14.06 03:27:21" (1/1) ... [2021-06-14 03:27:21,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 03:27:21,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 03:27:21,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 03:27:21,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 03:27:21,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:27:21" (1/1) ... [2021-06-14 03:27:21,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:27:21" (1/1) ... [2021-06-14 03:27:21,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:27:21" (1/1) ... [2021-06-14 03:27:21,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:27:21" (1/1) ... [2021-06-14 03:27:21,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:27:21" (1/1) ... [2021-06-14 03:27:21,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:27:21" (1/1) ... [2021-06-14 03:27:21,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:27:21" (1/1) ... [2021-06-14 03:27:21,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 03:27:21,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 03:27:21,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 03:27:21,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 03:27:21,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:27:21" (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 [2021-06-14 03:27:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-14 03:27:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-14 03:27:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 03:27:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 03:27:21,239 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 03:27:21,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 03:27:21,362 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 03:27:21,364 INFO L202 PluginConnector]: Adding new model LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:27:21 BoogieIcfgContainer [2021-06-14 03:27:21,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 03:27:21,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 03:27:21,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 03:27:21,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 03:27:21,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:27:21" (1/2) ... [2021-06-14 03:27:21,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c714024 and model type LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:27:21, skipping insertion in model container [2021-06-14 03:27:21,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:27:21" (2/2) ... [2021-06-14 03:27:21,372 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_example_semanticCheck.bpl [2021-06-14 03:27:21,381 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 03:27:21,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 03:27:21,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 03:27:21,383 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 03:27:21,413 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-14 03:27:21,437 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 [2021-06-14 03:27:21,508 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 03:27:21,509 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 03:27:21,509 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 03:27:21,509 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 03:27:21,510 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 03:27:21,510 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 03:27:21,510 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 03:27:21,511 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 03:27:21,574 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:27:21,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:27:21,578 INFO L82 PathProgramCache]: Analyzing trace with hash 46669423, now seen corresponding path program 1 times [2021-06-14 03:27:21,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:27:21,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380956803] [2021-06-14 03:27:21,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:27:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:27:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:27:21,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:27:21,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380956803] [2021-06-14 03:27:21,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380956803] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:27:21,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:27:21,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 03:27:21,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772239567] [2021-06-14 03:27:21,683 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:27:21,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:27:21,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:27:21,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:27:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:27:21,696 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:27:21,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-06-14 03:27:21,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:27:21,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:27:21,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 03:27:21,719 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 03:27:21,721 INFO L202 PluginConnector]: Adding new model LBE_example_semanticCheck.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 03:27:21 BasicIcfg [2021-06-14 03:27:21,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 03:27:21,723 INFO L168 Benchmark]: Toolchain (without parser) took 598.47 ms. Allocated memory is still 207.6 MB. Free memory was 188.3 MB in the beginning and 158.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. [2021-06-14 03:27:21,723 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 207.6 MB. Free memory is still 189.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 03:27:21,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.17 ms. Allocated memory is still 207.6 MB. Free memory was 188.2 MB in the beginning and 186.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 03:27:21,725 INFO L168 Benchmark]: Boogie Preprocessor took 13.89 ms. Allocated memory is still 207.6 MB. Free memory was 186.7 MB in the beginning and 185.9 MB in the end (delta: 831.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 03:27:21,725 INFO L168 Benchmark]: RCFGBuilder took 195.35 ms. Allocated memory is still 207.6 MB. Free memory was 185.9 MB in the beginning and 178.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-06-14 03:27:21,726 INFO L168 Benchmark]: TraceAbstraction took 355.36 ms. Allocated memory is still 207.6 MB. Free memory was 177.7 MB in the beginning and 158.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-06-14 03:27:21,729 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 0.15 ms. Allocated memory is still 207.6 MB. Free memory is still 189.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.17 ms. Allocated memory is still 207.6 MB. Free memory was 188.2 MB in the beginning and 186.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.89 ms. Allocated memory is still 207.6 MB. Free memory was 186.7 MB in the beginning and 185.9 MB in the end (delta: 831.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 195.35 ms. Allocated memory is still 207.6 MB. Free memory was 185.9 MB in the beginning and 178.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 355.36 ms. Allocated memory is still 207.6 MB. Free memory was 177.7 MB in the beginning and 158.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, 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: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 35, positive conditional: 2, positive unconditional: 33, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 6, Positive conditional cache size: 1, Positive unconditional cache size: 5, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, 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: 4, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 35, positive conditional: 2, positive unconditional: 33, negative: 1, negative conditional: 0, negative unconditional: 1, 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): 7, Positive cache size: 6, Positive conditional cache size: 1, Positive unconditional cache size: 5, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 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: 251.9ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.5ms, PartialOrderReductionTime: 63.9ms, 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: 2.0ms SsaConstructionTime, 10.5ms SatisfiabilityAnalysisTime, 33.8ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 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...