/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/threaded-sum-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:31:45,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:31:45,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:31:45,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:31:45,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:31:45,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:31:45,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:31:45,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:31:45,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:31:45,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:31:45,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:31:45,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:31:45,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:31:45,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:31:45,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:31:45,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:31:45,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:31:45,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:31:45,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:31:45,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:31:45,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:31:45,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:31:45,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:31:45,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:31:45,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:31:45,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:31:45,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:31:45,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:31:45,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:31:45,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:31:45,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:31:45,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:31:45,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:31:45,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:31:45,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:31:45,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:31:45,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:31:45,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:31:45,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:31:45,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:31:45,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:31:45,298 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 14:31:45,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:31:45,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:31:45,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:31:45,326 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:31:45,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:31:45,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:31:45,327 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:31:45,327 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:31:45,327 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:31:45,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:31:45,328 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:31:45,328 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:31:45,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:31:45,329 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:31:45,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:31:45,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:31:45,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:31:45,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:31:45,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:31:45,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:31:45,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:31:45,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:31:45,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:31:45,331 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:31:45,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:31:45,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:31:45,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:31:45,332 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:31:45,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:31:45,332 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:31:45,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:31:45,332 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:31:45,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:31:45,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:31:45,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:31:45,538 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:31:45,539 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:31:45,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl [2022-09-21 14:31:45,540 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl' [2022-09-21 14:31:45,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:31:45,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:31:45,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:31:45,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:31:45,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:31:45,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,575 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:31:45,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:31:45,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:31:45,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:31:45,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:31:45,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:31:45,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:31:45,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:31:45,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:31:45,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:31:45,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:31:45,607 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 14:31:45,616 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 14:31:45,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:31:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:31:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:31:45,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:31:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:31:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:31:45,637 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:31:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:31:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:31:45,637 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-21 14:31:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-21 14:31:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-21 14:31:45,638 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 14:31:45,676 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:31:45,677 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:31:45,817 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:31:45,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:31:45,850 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:31:45,869 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:31:45 BoogieIcfgContainer [2022-09-21 14:31:45,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:31:45,870 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:31:45,870 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:31:45,870 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:31:45,870 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:31:45" (1/1) ... [2022-09-21 14:31:45,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:31:45,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:31:46,000 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 14:31:46,001 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 14:31:46,046 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:46,047 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:31:46,047 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:46,079 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:46,093 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:46,097 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:46,148 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:31:46,148 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [u, m, t, s] [2022-09-21 14:31:46,149 INFO L631 ngineConcurrentUtils]: Start checking 4 possible combinations. [2022-09-21 14:31:46,149 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/4 [2022-09-21 14:31:46,859 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/4 [2022-09-21 14:31:47,634 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/4 [2022-09-21 14:31:48,400 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/4 [2022-09-21 14:31:49,069 INFO L651 ngineConcurrentUtils]: Number of combinations: 3 [2022-09-21 14:31:49,070 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [U] [2022-09-21 14:31:49,070 INFO L631 ngineConcurrentUtils]: Start checking 4 possible combinations. [2022-09-21 14:31:49,070 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/4 [2022-09-21 14:31:49,787 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/4 [2022-09-21 14:31:50,598 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/4 [2022-09-21 14:31:51,408 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/4 [2022-09-21 14:31:52,068 INFO L651 ngineConcurrentUtils]: Number of combinations: 3 [2022-09-21 14:31:52,069 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [T] [2022-09-21 14:31:52,069 INFO L631 ngineConcurrentUtils]: Start checking 4 possible combinations. [2022-09-21 14:31:52,069 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/4 [2022-09-21 14:31:52,743 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/4 [2022-09-21 14:31:53,504 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/4 [2022-09-21 14:31:54,383 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/4 [2022-09-21 14:31:55,075 INFO L651 ngineConcurrentUtils]: Number of combinations: 3 [2022-09-21 14:31:55,075 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [c] [2022-09-21 14:31:55,075 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:31:55,075 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:31:55,075 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:55,075 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:31:55,075 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [S] [2022-09-21 14:31:55,076 INFO L631 ngineConcurrentUtils]: Start checking 4 possible combinations. [2022-09-21 14:31:55,076 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/4 [2022-09-21 14:31:55,798 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/4 [2022-09-21 14:31:56,557 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/4 [2022-09-21 14:31:57,390 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/4 [2022-09-21 14:31:58,108 INFO L651 ngineConcurrentUtils]: Number of combinations: 3 [2022-09-21 14:31:58,109 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:31:58,110 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 2 [2022-09-21 14:31:58,110 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:58,117 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:58,138 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [u, m, t, s] [2022-09-21 14:31:58,138 INFO L631 ngineConcurrentUtils]: Start checking 4 possible combinations. [2022-09-21 14:31:58,138 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/4 [2022-09-21 14:31:59,002 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/4 [2022-09-21 14:31:59,890 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/4 [2022-09-21 14:32:00,689 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/4 [2022-09-21 14:32:01,522 INFO L651 ngineConcurrentUtils]: Number of combinations: 4 [2022-09-21 14:32:01,522 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [U] [2022-09-21 14:32:01,522 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:01,523 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:01,523 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:01,523 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:01,523 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [T] [2022-09-21 14:32:01,523 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:01,523 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:01,523 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:01,524 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:01,524 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [c] [2022-09-21 14:32:01,524 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:01,524 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:01,524 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:01,524 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:01,524 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [S] [2022-09-21 14:32:01,524 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:01,524 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:01,524 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:01,524 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:01,525 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:32:01,525 INFO L396 ointEngineConcurrent]: Reduced size from 2 to 2 [2022-09-21 14:32:01,526 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:32:01,529 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:32:01,532 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [u, m, t, s] [2022-09-21 14:32:01,532 INFO L631 ngineConcurrentUtils]: Start checking 2 possible combinations. [2022-09-21 14:32:01,532 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/2 [2022-09-21 14:32:02,348 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/2 [2022-09-21 14:32:03,219 INFO L651 ngineConcurrentUtils]: Number of combinations: 2 [2022-09-21 14:32:03,219 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [U] [2022-09-21 14:32:03,219 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:03,219 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:03,220 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:03,220 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:03,220 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [T] [2022-09-21 14:32:03,220 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:03,220 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:03,220 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:03,220 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:03,220 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [c] [2022-09-21 14:32:03,220 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:03,220 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:03,220 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:03,220 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:03,220 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [S] [2022-09-21 14:32:03,221 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:03,221 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:03,221 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:03,221 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:03,221 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:32:03,222 INFO L396 ointEngineConcurrent]: Reduced size from 2 to 2 [2022-09-21 14:32:03,222 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:32:03,225 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:32:03,228 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [u, m, t, s] [2022-09-21 14:32:03,228 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:03,228 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:03,228 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:03,228 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:03,228 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [U] [2022-09-21 14:32:03,228 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:03,229 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:03,229 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:03,229 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:03,229 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [T] [2022-09-21 14:32:03,229 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:03,229 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:03,229 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:03,229 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:03,229 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [c] [2022-09-21 14:32:03,229 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:03,229 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:03,229 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:03,229 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:03,230 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [S] [2022-09-21 14:32:03,230 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:32:03,230 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:32:03,230 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:32:03,230 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:32:03,230 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:32:03,230 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:32:03,236 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:32:03,246 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:32:03,246 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:32:03,249 INFO L158 Benchmark]: Toolchain (without parser) took 17689.90ms. Allocated memory is still 194.0MB. Free memory was 148.8MB in the beginning and 143.3MB in the end (delta: 5.5MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2022-09-21 14:32:03,250 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:32:03,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.09ms. Allocated memory is still 194.0MB. Free memory was 148.8MB in the beginning and 147.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:32:03,251 INFO L158 Benchmark]: Boogie Preprocessor took 10.71ms. Allocated memory is still 194.0MB. Free memory was 147.2MB in the beginning and 146.3MB in the end (delta: 964.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:32:03,252 INFO L158 Benchmark]: RCFGBuilder took 280.11ms. Allocated memory is still 194.0MB. Free memory was 146.2MB in the beginning and 135.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-09-21 14:32:03,253 INFO L158 Benchmark]: Abstract Interpretation took 17377.07ms. Allocated memory is still 194.0MB. Free memory was 135.1MB in the beginning and 143.3MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:32:03,257 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 0.09ms. Allocated memory is still 194.0MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.09ms. Allocated memory is still 194.0MB. Free memory was 148.8MB in the beginning and 147.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.71ms. Allocated memory is still 194.0MB. Free memory was 147.2MB in the beginning and 146.3MB in the end (delta: 964.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 280.11ms. Allocated memory is still 194.0MB. Free memory was 146.2MB in the beginning and 135.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Abstract Interpretation took 17377.07ms. Allocated memory is still 194.0MB. Free memory was 135.1MB in the beginning and 143.3MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 78]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L64] 0 assume m == 0; [L65] 0 assume 0 < T; [L66] 0 assume 0 < S; [L67] 0 assume 0 < U; [L68] 0 assume t == T; [L69] 0 assume s == S; [L70] 0 assume u == U; [L71] FORK 0 fork 1 thread1(); [L72] FORK 0 fork 2, 2 thread2(); [L73] FORK 0 fork 3, 3, 3 thread3(); [L74] JOIN 0 join 1; [L75] JOIN 0 join 2, 2; [L76] JOIN 0 join 3, 3, 3; [L77] 0 assume !(m == S + T + U); [L78] 0 assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:32:03,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-09-21 14:32:03,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...