/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/thread-modular/svcomp-Reach-32bit-Automizer_Default+AIv2_OCT_FLOW_SENSITIVE_FILTERED.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/commit-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:30:59,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:30:59,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:30:59,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:30:59,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:30:59,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:30:59,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:30:59,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:30:59,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:30:59,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:30:59,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:30:59,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:30:59,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:30:59,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:30:59,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:30:59,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:30:59,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:30:59,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:30:59,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:30:59,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:30:59,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:30:59,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:30:59,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:30:59,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:30:59,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:30:59,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:30:59,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:30:59,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:30:59,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:30:59,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:30:59,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:30:59,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:30:59,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:30:59,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:30:59,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:30:59,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:30:59,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:30:59,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:30:59,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:30:59,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:30:59,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:30:59,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/thread-modular/svcomp-Reach-32bit-Automizer_Default+AIv2_OCT_FLOW_SENSITIVE_FILTERED.epf [2022-09-21 14:30:59,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:30:59,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:30:59,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:30:59,516 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:30:59,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:30:59,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:30:59,517 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:30:59,517 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:30:59,517 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:30:59,517 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:30:59,518 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:30:59,518 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:30:59,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:30:59,519 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:30:59,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:30:59,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:30:59,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:30:59,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:30:59,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:30:59,520 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:30:59,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:30:59,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:30:59,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:30:59,520 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:30:59,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:30:59,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:30:59,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:30:59,521 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:30:59,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:30:59,521 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:30:59,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:30:59,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:30:59,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:30:59,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:30:59,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:30:59,759 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:30:59,761 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:30:59,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/commit-1.wvr.bpl [2022-09-21 14:30:59,762 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/commit-1.wvr.bpl' [2022-09-21 14:30:59,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:30:59,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:30:59,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:30:59,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:30:59,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:30:59,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,813 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:30:59,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:30:59,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:30:59,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:30:59,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:30:59,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:30:59,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:30:59,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:30:59,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:30:59,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:59" (1/1) ... [2022-09-21 14:30:59,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:30:59,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:30:59,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-21 14:30:59,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-21 14:30:59,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:30:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:30:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:30:59,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:30:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:30:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:30:59,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:30:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:30:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:30:59,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-21 14:30:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-21 14:30:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-21 14:30:59,908 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-21 14:30:59,958 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:30:59,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:31:00,127 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:31:00,158 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:31:00,158 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-21 14:31:00,159 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-09-21 14:31:00,159 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-09-21 14:31:00,159 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-09-21 14:31:00,161 INFO L202 PluginConnector]: Adding new model commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:31:00 BoogieIcfgContainer [2022-09-21 14:31:00,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:31:00,161 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:31:00,162 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:31:00,162 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:31:00,162 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "commit-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:31:00" (1/1) ... [2022-09-21 14:31:00,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:31:00,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:31:00,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-21 14:31:00,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-09-21 14:31:00,310 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:00,311 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:31:00,312 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:00,367 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:00,406 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:00,413 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:00,420 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:31:00,421 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [client_front, ok, node_1, manager, manager_back, node_1_back, client_back, manager_front, safe, node_1_front, client, update] [2022-09-21 14:31:00,426 INFO L631 ngineConcurrentUtils]: Start checking 60 possible combinations. [2022-09-21 14:31:00,426 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/60 [2022-09-21 14:31:00,438 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/60 [2022-09-21 14:31:00,449 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/60 [2022-09-21 14:31:00,459 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/60 [2022-09-21 14:31:00,471 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/60 [2022-09-21 14:31:00,484 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/60 [2022-09-21 14:31:00,495 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/60 [2022-09-21 14:31:00,505 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/60 [2022-09-21 14:31:00,516 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/60 [2022-09-21 14:31:00,528 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/60 [2022-09-21 14:31:00,539 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/60 [2022-09-21 14:31:00,549 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/60 [2022-09-21 14:31:00,561 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/60 [2022-09-21 14:31:00,570 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/60 [2022-09-21 14:31:00,578 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/60 [2022-09-21 14:31:00,585 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/60 [2022-09-21 14:31:00,593 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/60 [2022-09-21 14:31:00,601 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/60 [2022-09-21 14:31:00,610 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/60 [2022-09-21 14:31:00,620 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/60 [2022-09-21 14:31:00,630 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/60 [2022-09-21 14:31:00,642 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/60 [2022-09-21 14:31:00,650 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/60 [2022-09-21 14:31:00,658 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/60 [2022-09-21 14:31:00,668 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/60 [2022-09-21 14:31:00,678 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/60 [2022-09-21 14:31:00,689 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/60 [2022-09-21 14:31:00,699 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/60 [2022-09-21 14:31:00,710 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/60 [2022-09-21 14:31:00,721 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/60 [2022-09-21 14:31:00,732 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/60 [2022-09-21 14:31:00,741 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/60 [2022-09-21 14:31:00,751 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/60 [2022-09-21 14:31:00,760 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/60 [2022-09-21 14:31:00,768 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/60 [2022-09-21 14:31:00,776 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/60 [2022-09-21 14:31:00,786 INFO L642 ngineConcurrentUtils]: Filter Iteration 37/60 [2022-09-21 14:31:00,794 INFO L642 ngineConcurrentUtils]: Filter Iteration 38/60 [2022-09-21 14:31:00,804 INFO L642 ngineConcurrentUtils]: Filter Iteration 39/60 [2022-09-21 14:31:00,815 INFO L642 ngineConcurrentUtils]: Filter Iteration 40/60 [2022-09-21 14:31:00,822 INFO L642 ngineConcurrentUtils]: Filter Iteration 41/60 [2022-09-21 14:31:00,831 INFO L642 ngineConcurrentUtils]: Filter Iteration 42/60 [2022-09-21 14:31:00,839 INFO L642 ngineConcurrentUtils]: Filter Iteration 43/60 [2022-09-21 14:31:00,848 INFO L642 ngineConcurrentUtils]: Filter Iteration 44/60 [2022-09-21 14:31:00,856 INFO L642 ngineConcurrentUtils]: Filter Iteration 45/60 [2022-09-21 14:31:00,867 INFO L642 ngineConcurrentUtils]: Filter Iteration 46/60 [2022-09-21 14:31:00,877 INFO L642 ngineConcurrentUtils]: Filter Iteration 47/60 [2022-09-21 14:31:00,889 INFO L642 ngineConcurrentUtils]: Filter Iteration 48/60 [2022-09-21 14:31:00,898 INFO L642 ngineConcurrentUtils]: Filter Iteration 49/60 [2022-09-21 14:31:00,906 INFO L642 ngineConcurrentUtils]: Filter Iteration 50/60 [2022-09-21 14:31:00,914 INFO L642 ngineConcurrentUtils]: Filter Iteration 51/60 [2022-09-21 14:31:00,925 INFO L642 ngineConcurrentUtils]: Filter Iteration 52/60 [2022-09-21 14:31:00,935 INFO L642 ngineConcurrentUtils]: Filter Iteration 53/60 [2022-09-21 14:31:00,943 INFO L642 ngineConcurrentUtils]: Filter Iteration 54/60 [2022-09-21 14:31:00,954 INFO L642 ngineConcurrentUtils]: Filter Iteration 55/60 [2022-09-21 14:31:00,964 INFO L642 ngineConcurrentUtils]: Filter Iteration 56/60 [2022-09-21 14:31:00,973 INFO L642 ngineConcurrentUtils]: Filter Iteration 57/60 [2022-09-21 14:31:00,981 INFO L642 ngineConcurrentUtils]: Filter Iteration 58/60 [2022-09-21 14:31:00,989 INFO L642 ngineConcurrentUtils]: Filter Iteration 59/60 [2022-09-21 14:31:00,997 INFO L642 ngineConcurrentUtils]: Filter Iteration 60/60 [2022-09-21 14:31:01,005 INFO L651 ngineConcurrentUtils]: Number of combinations: 18 [2022-09-21 14:31:01,009 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:31:01,012 INFO L396 ointEngineConcurrent]: Reduced size from 18 to 4 [2022-09-21 14:31:01,012 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:01,028 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:01,037 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:01,046 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:01,054 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [client_front, ok, node_1, manager, manager_back, node_1_back, client_back, manager_front, safe, node_1_front, client, update] [2022-09-21 14:31:01,055 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:31:01,055 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:31:01,055 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:01,055 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:31:01,055 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:31:01,055 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:31:01,056 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [client_front, ok, node_1, manager, manager_back, node_1_back, client_back, manager_front, safe, node_1_front, client, update] [2022-09-21 14:31:01,056 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:31:01,056 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:31:01,056 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:01,056 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:31:01,056 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:31:01,056 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:31:01,056 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [client_front, ok, node_1, manager, manager_back, node_1_back, client_back, manager_front, safe, node_1_front, client, update] [2022-09-21 14:31:01,056 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:31:01,056 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:31:01,056 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:01,057 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:31:01,057 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:31:01,057 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:31:01,059 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:31:01,069 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:31:01,069 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:31:01,070 INFO L158 Benchmark]: Toolchain (without parser) took 1280.43ms. Allocated memory is still 170.9MB. Free memory was 130.6MB in the beginning and 136.1MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:31:01,071 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 170.9MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:31:01,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.50ms. Allocated memory is still 170.9MB. Free memory was 130.5MB in the beginning and 129.0MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-21 14:31:01,072 INFO L158 Benchmark]: Boogie Preprocessor took 24.66ms. Allocated memory is still 170.9MB. Free memory was 129.0MB in the beginning and 128.0MB in the end (delta: 976.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:31:01,073 INFO L158 Benchmark]: RCFGBuilder took 320.15ms. Allocated memory is still 170.9MB. Free memory was 127.9MB in the beginning and 116.3MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-09-21 14:31:01,073 INFO L158 Benchmark]: Abstract Interpretation took 907.52ms. Allocated memory is still 170.9MB. Free memory was 116.2MB in the beginning and 136.1MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:31:01,076 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 0.11ms. Allocated memory is still 170.9MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.50ms. Allocated memory is still 170.9MB. Free memory was 130.5MB in the beginning and 129.0MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.66ms. Allocated memory is still 170.9MB. Free memory was 129.0MB in the beginning and 128.0MB in the end (delta: 976.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 320.15ms. Allocated memory is still 170.9MB. Free memory was 127.9MB in the beginning and 116.3MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Abstract Interpretation took 907.52ms. Allocated memory is still 170.9MB. Free memory was 116.2MB in the beginning and 136.1MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 90]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L82] 0 assume safe == true && manager_front == manager_back && client_front == client_back && node_1_front == node_1_back; [L83] FORK 0 fork 1 thread1(); [L84] FORK 0 fork 2, 2 thread2(); [L85] FORK 0 fork 3, 3, 3 thread3(); [L86] JOIN 0 join 1; [L87] JOIN 0 join 2, 2; [L88] JOIN 0 join 3, 3, 3; [L89] 0 assume !safe; [L90] 0 assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:31:01,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-09-21 14:31:01,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...