/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/LBE_bigexample_safe_BA.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:31:25,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:31:25,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:31:25,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 16:31:25,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 16:31:25,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 16:31:25,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 16:31:25,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 16:31:25,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 16:31:25,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 16:31:25,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 16:31:25,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 16:31:25,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 16:31:25,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 16:31:25,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 16:31:25,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 16:31:25,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 16:31:25,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 16:31:25,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 16:31:25,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 16:31:25,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 16:31:25,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 16:31:25,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 16:31:25,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 16:31:25,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-16 16:31:25,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 16:31:25,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 16:31:25,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 16:31:25,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 16:31:25,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 16:31:25,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 16:31:25,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 16:31:25,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 16:31:25,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 16:31:25,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 16:31:25,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 16:31:25,985 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 16:31:25,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:31:26,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:31:26,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:31:26,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:31:26,001 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:31:26,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:31:26,001 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:31:26,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:31:26,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:31:26,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:31:26,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:31:26,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:31:26,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:31:26,002 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:31:26,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:31:26,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:31:26,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:31:26,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:31:26,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:31:26,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:31:26,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:31:26,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:31:26,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:31:26,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:31:26,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:31:26,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:31:26,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:31:26,003 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:31:26,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:31:26,003 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:31:26,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:31:26,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:31:26,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:31:26,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:31:26,323 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 16:31:26,325 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 16:31:26,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl [2021-06-16 16:31:26,326 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl' [2021-06-16 16:31:26,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:31:26,354 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 16:31:26,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:31:26,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:31:26,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:31:26,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/1) ... [2021-06-16 16:31:26,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/1) ... [2021-06-16 16:31:26,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:31:26,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:31:26,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:31:26,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:31:26,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/1) ... [2021-06-16 16:31:26,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/1) ... [2021-06-16 16:31:26,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/1) ... [2021-06-16 16:31:26,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/1) ... [2021-06-16 16:31:26,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/1) ... [2021-06-16 16:31:26,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/1) ... [2021-06-16 16:31:26,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/1) ... [2021-06-16 16:31:26,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:31:26,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:31:26,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:31:26,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:31:26,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (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 16:31:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-06-16 16:31:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-06-16 16:31:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:31:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:31:26,487 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 16:31:26,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:31:26,604 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 16:31:26,606 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:31:26 BoogieIcfgContainer [2021-06-16 16:31:26,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:31:26,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:31:26,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:31:26,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:31:26,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 04:31:26" (1/2) ... [2021-06-16 16:31:26,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9a1b8d and model type LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:31:26, skipping insertion in model container [2021-06-16 16:31:26,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:31:26" (2/2) ... [2021-06-16 16:31:26,611 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_bigexample_safe_BA.bpl [2021-06-16 16:31:26,614 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:31:26,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:31:26,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-06-16 16:31:26,615 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:31:26,665 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-06-16 16:31:26,680 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-06-16 16:31:26,692 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:31:26,692 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:31:26,692 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:31:26,692 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:31:26,692 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:31:26,692 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:31:26,693 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:31:26,693 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == bar======== [2021-06-16 16:43:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 842904 states, 431494 states have (on average 1.9593922511089379) internal successors, (845466), 842903 states have internal predecessors, (845466), 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 16:43:53,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:43:53,996 INFO L301 ceAbstractionStarter]: Result for error location bar was SAFE (1/6) [2021-06-16 16:43:54,007 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-16 16:43:54,017 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:43:54,017 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:43:54,018 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:43:54,020 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:43:54,020 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:43:54,021 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:43:54,021 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:43:54,021 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Received shutdown request... [2021-06-16 16:45:21,333 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-16 16:45:21,335 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT (2/6) [2021-06-16 16:45:21,336 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-06-16 16:45:21,337 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:45:21,337 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:45:21,338 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:45:21,338 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:45:21,338 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:45:21,338 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:45:21,338 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:45:21,338 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == barThread1of1ForFork0======== [2021-06-16 16:45:21,341 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-16 16:45:21,341 INFO L301 ceAbstractionStarter]: Result for error location barThread1of1ForFork0 was TIMEOUT (3/6) [2021-06-16 16:45:21,342 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-06-16 16:45:21,343 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:45:21,343 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:45:21,343 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:45:21,343 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:45:21,343 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:45:21,343 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:45:21,343 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:45:21,343 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == barThread1of1ForFork2======== [2021-06-16 16:45:21,345 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-16 16:45:21,345 INFO L301 ceAbstractionStarter]: Result for error location barThread1of1ForFork2 was TIMEOUT (4/6) [2021-06-16 16:45:21,345 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-06-16 16:45:21,346 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:45:21,346 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:45:21,346 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:45:21,346 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:45:21,346 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:45:21,346 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:45:21,346 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:45:21,346 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == barThread1of1ForFork1======== [2021-06-16 16:45:21,348 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-16 16:45:21,348 INFO L301 ceAbstractionStarter]: Result for error location barThread1of1ForFork1 was TIMEOUT (5/6) [2021-06-16 16:45:21,349 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-06-16 16:45:21,354 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:45:21,354 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:45:21,354 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:45:21,354 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:45:21,354 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:45:21,354 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:45:21,354 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:45:21,354 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == barThread1of1ForFork3======== [2021-06-16 16:45:21,356 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-16 16:45:21,356 INFO L301 ceAbstractionStarter]: Result for error location barThread1of1ForFork3 was TIMEOUT (6/6) [2021-06-16 16:45:21,356 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:45:21,358 WARN L196 ceAbstractionStarter]: Timeout [2021-06-16 16:45:21,358 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:45:21 BasicIcfg [2021-06-16 16:45:21,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:45:21,360 INFO L168 Benchmark]: Toolchain (without parser) took 835005.06 ms. Allocated memory was 220.2 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 200.8 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2021-06-16 16:45:21,361 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 220.2 MB. Free memory is still 201.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:45:21,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.70 ms. Allocated memory is still 220.2 MB. Free memory was 200.8 MB in the beginning and 199.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:45:21,362 INFO L168 Benchmark]: Boogie Preprocessor took 8.37 ms. Allocated memory is still 220.2 MB. Free memory was 199.3 MB in the beginning and 198.4 MB in the end (delta: 881.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:45:21,363 INFO L168 Benchmark]: RCFGBuilder took 218.34 ms. Allocated memory is still 220.2 MB. Free memory was 198.4 MB in the beginning and 187.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-16 16:45:21,363 INFO L168 Benchmark]: TraceAbstraction took 834751.50 ms. Allocated memory was 220.2 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 187.3 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2021-06-16 16:45:21,365 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 0.12 ms. Allocated memory is still 220.2 MB. Free memory is still 201.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.70 ms. Allocated memory is still 220.2 MB. Free memory was 200.8 MB in the beginning and 199.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 8.37 ms. Allocated memory is still 220.2 MB. Free memory was 199.3 MB in the beginning and 198.4 MB in the end (delta: 881.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 218.34 ms. Allocated memory is still 220.2 MB. Free memory was 198.4 MB in the beginning and 187.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 834751.50 ms. Allocated memory was 220.2 MB in the beginning and 6.3 GB in the end (delta: 6.1 GB). Free memory was 187.3 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3389461, positive: 3007026, positive conditional: 3007026, positive unconditional: 0, negative: 382435, negative conditional: 382435, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3007026, positive: 3007026, positive conditional: 0, positive unconditional: 3007026, 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: 3306, positive: 3306, positive conditional: 0, positive unconditional: 3306, 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: 3306, positive: 3306, positive conditional: 0, positive unconditional: 3306, 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: 3007026, positive: 3003720, positive conditional: 0, positive unconditional: 3003720, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3306, unknown conditional: 0, unknown unconditional: 3306] , Statistics on independence cache: Total cache size (in pairs): 3306, Positive cache size: 3306, Positive conditional cache size: 0, Positive unconditional cache size: 3306, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 382435 - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 37]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 35]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 36]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - TimeoutResultAtElement [Line: 24]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing initial abstraction,while executing SleepSetDelayReduction. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: bar with 1 thread instances CFG has 6 procedures, 119 locations, 51 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 747305.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 5496.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 741806.7ms, PartialOrderReductionTime: 741792.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=842904occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 6 procedures, 119 locations, 51 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 87316.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 87311.6ms, PartialOrderReductionTime: 87303.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: barThread1of1ForFork0 with 1 thread instances CFG has 6 procedures, 119 locations, 51 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 3.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.9ms, PartialOrderReductionTime: 0.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: barThread1of1ForFork2 with 1 thread instances CFG has 6 procedures, 119 locations, 51 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 2.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.7ms, PartialOrderReductionTime: 0.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: barThread1of1ForFork1 with 1 thread instances CFG has 6 procedures, 119 locations, 51 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 2.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 0.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: barThread1of1ForFork3 with 1 thread instances CFG has 6 procedures, 119 locations, 51 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 2.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 0.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown