/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-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:30:22,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:30:22,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:30:22,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:30:22,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:30:22,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:30:22,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:30:22,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:30:22,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:30:22,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:30:22,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:30:22,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:30:22,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:30:22,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:30:22,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:30:22,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:30:22,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:30:22,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:30:22,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:30:22,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:30:22,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:30:22,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:30:22,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:30:22,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:30:22,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:30:22,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:30:22,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:30:22,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:30:22,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:30:22,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:30:22,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:30:22,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:30:22,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:30:22,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:30:22,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:30:22,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:30:22,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:30:22,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:30:22,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:30:22,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:30:22,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:30:22,225 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 14:30:22,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:30:22,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:30:22,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:30:22,250 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:30:22,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:30:22,251 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:30:22,251 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:30:22,251 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:30:22,251 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:30:22,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:30:22,251 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:30:22,251 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:30:22,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:30:22,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:30:22,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:30:22,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:30:22,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:30:22,253 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:30:22,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:30:22,253 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:30:22,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:30:22,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:30:22,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:30:22,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:30:22,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:30:22,436 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:30:22,437 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:30:22,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2022-09-21 14:30:22,438 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2022-09-21 14:30:22,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:30:22,458 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:30:22,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:30:22,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:30:22,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:30:22,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,478 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:30:22,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:30:22,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:30:22,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:30:22,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:30:22,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:30:22,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:30:22,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:30:22,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:30:22,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:30:22,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:30:22,516 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 14:30:22,528 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 14:30:22,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:30:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:30:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:30:22,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:30:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:30:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:30:22,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:30:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:30:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:30:22,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-21 14:30:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-21 14:30:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-21 14:30:22,546 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 14:30:22,584 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:30:22,585 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:30:22,737 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:30:22,750 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:30:22,750 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:30:22,752 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:30:22 BoogieIcfgContainer [2022-09-21 14:30:22,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:30:22,752 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:30:22,753 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:30:22,753 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:30:22,759 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:30:22,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:30:22,802 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 14:30:22,803 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 14:30:22,837 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:22,838 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:30:22,839 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:22,889 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:23,034 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:23,097 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:23,143 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:30:23,144 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [A, N, M, k, j, i, max1, max2, max3] [2022-09-21 14:30:23,148 INFO L631 ngineConcurrentUtils]: Start checking 64 possible combinations. [2022-09-21 14:30:23,148 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/64 [2022-09-21 14:30:23,564 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/64 [2022-09-21 14:30:24,034 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/64 [2022-09-21 14:30:24,491 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/64 [2022-09-21 14:30:24,986 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/64 [2022-09-21 14:30:25,429 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/64 [2022-09-21 14:30:25,909 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/64 [2022-09-21 14:30:26,366 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/64 [2022-09-21 14:30:26,829 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/64 [2022-09-21 14:30:27,256 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/64 [2022-09-21 14:30:27,744 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/64 [2022-09-21 14:30:28,249 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/64 [2022-09-21 14:30:28,692 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/64 [2022-09-21 14:30:29,180 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/64 [2022-09-21 14:30:29,683 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/64 [2022-09-21 14:30:30,179 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/64 [2022-09-21 14:30:30,649 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/64 [2022-09-21 14:30:31,086 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/64 [2022-09-21 14:30:31,554 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/64 [2022-09-21 14:30:32,025 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/64 [2022-09-21 14:30:32,484 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/64 [2022-09-21 14:30:32,930 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/64 [2022-09-21 14:30:33,489 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/64 [2022-09-21 14:30:33,952 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/64 [2022-09-21 14:30:34,475 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/64 [2022-09-21 14:30:35,004 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/64 [2022-09-21 14:30:35,482 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/64 [2022-09-21 14:30:35,983 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/64 [2022-09-21 14:30:36,501 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/64 [2022-09-21 14:30:36,993 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/64 [2022-09-21 14:30:37,459 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/64 [2022-09-21 14:30:37,954 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/64 [2022-09-21 14:30:38,467 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/64 [2022-09-21 14:30:38,959 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/64 [2022-09-21 14:30:39,434 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/64 [2022-09-21 14:30:39,933 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/64 [2022-09-21 14:30:40,429 INFO L642 ngineConcurrentUtils]: Filter Iteration 37/64 [2022-09-21 14:30:40,897 INFO L642 ngineConcurrentUtils]: Filter Iteration 38/64 [2022-09-21 14:30:41,351 INFO L642 ngineConcurrentUtils]: Filter Iteration 39/64 [2022-09-21 14:30:41,858 INFO L642 ngineConcurrentUtils]: Filter Iteration 40/64 [2022-09-21 14:30:42,308 INFO L642 ngineConcurrentUtils]: Filter Iteration 41/64 [2022-09-21 14:30:42,804 INFO L642 ngineConcurrentUtils]: Filter Iteration 42/64 [2022-09-21 14:30:43,461 INFO L642 ngineConcurrentUtils]: Filter Iteration 43/64 [2022-09-21 14:30:43,973 INFO L642 ngineConcurrentUtils]: Filter Iteration 44/64 [2022-09-21 14:30:44,478 INFO L642 ngineConcurrentUtils]: Filter Iteration 45/64 [2022-09-21 14:30:44,960 INFO L642 ngineConcurrentUtils]: Filter Iteration 46/64 [2022-09-21 14:30:45,427 INFO L642 ngineConcurrentUtils]: Filter Iteration 47/64 [2022-09-21 14:30:45,940 INFO L642 ngineConcurrentUtils]: Filter Iteration 48/64 [2022-09-21 14:30:46,404 INFO L642 ngineConcurrentUtils]: Filter Iteration 49/64 [2022-09-21 14:30:46,880 INFO L642 ngineConcurrentUtils]: Filter Iteration 50/64 [2022-09-21 14:30:47,475 INFO L642 ngineConcurrentUtils]: Filter Iteration 51/64 [2022-09-21 14:30:48,029 INFO L642 ngineConcurrentUtils]: Filter Iteration 52/64 [2022-09-21 14:30:48,516 INFO L642 ngineConcurrentUtils]: Filter Iteration 53/64 [2022-09-21 14:30:49,020 INFO L642 ngineConcurrentUtils]: Filter Iteration 54/64 [2022-09-21 14:30:49,534 INFO L642 ngineConcurrentUtils]: Filter Iteration 55/64 [2022-09-21 14:30:50,056 INFO L642 ngineConcurrentUtils]: Filter Iteration 56/64 [2022-09-21 14:30:50,639 INFO L642 ngineConcurrentUtils]: Filter Iteration 57/64 [2022-09-21 14:30:51,172 INFO L642 ngineConcurrentUtils]: Filter Iteration 58/64 [2022-09-21 14:30:51,695 INFO L642 ngineConcurrentUtils]: Filter Iteration 59/64 [2022-09-21 14:30:52,212 INFO L642 ngineConcurrentUtils]: Filter Iteration 60/64 [2022-09-21 14:30:52,694 INFO L642 ngineConcurrentUtils]: Filter Iteration 61/64 [2022-09-21 14:30:53,164 INFO L642 ngineConcurrentUtils]: Filter Iteration 62/64 [2022-09-21 14:30:53,626 INFO L642 ngineConcurrentUtils]: Filter Iteration 63/64 [2022-09-21 14:30:54,136 INFO L642 ngineConcurrentUtils]: Filter Iteration 64/64 [2022-09-21 14:30:54,600 INFO L651 ngineConcurrentUtils]: Number of combinations: 9 [2022-09-21 14:30:54,603 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:30:54,604 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 8 [2022-09-21 14:30:54,604 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:54,609 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:54,613 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:54,616 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:54,621 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:54,625 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:54,629 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:54,632 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:54,636 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [A, N, M, k, j, i, max1, max2, max3] [2022-09-21 14:30:54,636 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:30:54,636 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:30:54,636 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:54,636 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:30:54,636 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:30:54,636 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:30:54,636 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [A, N, M, k, j, i, max1, max2, max3] [2022-09-21 14:30:54,636 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:30:54,636 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:30:54,636 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:54,637 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:30:54,637 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:30:54,637 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:30:54,637 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [A, N, M, k, j, i, max1, max2, max3] [2022-09-21 14:30:54,637 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:30:54,637 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:30:54,637 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:54,637 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:30:54,637 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:30:54,637 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:30:54,643 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:30:54,651 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:30:54,651 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:30:54,655 INFO L158 Benchmark]: Toolchain (without parser) took 32194.86ms. Allocated memory is still 182.5MB. Free memory was 136.7MB in the beginning and 138.5MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:30:54,655 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:30:54,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.64ms. Allocated memory is still 182.5MB. Free memory was 136.7MB in the beginning and 135.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:30:54,657 INFO L158 Benchmark]: Boogie Preprocessor took 11.09ms. Allocated memory is still 182.5MB. Free memory was 135.1MB in the beginning and 134.1MB in the end (delta: 999.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:30:54,658 INFO L158 Benchmark]: RCFGBuilder took 260.78ms. Allocated memory is still 182.5MB. Free memory was 134.1MB in the beginning and 153.6MB in the end (delta: -19.5MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. [2022-09-21 14:30:54,659 INFO L158 Benchmark]: Abstract Interpretation took 31900.18ms. Allocated memory is still 182.5MB. Free memory was 153.4MB in the beginning and 138.5MB in the end (delta: 14.9MB). Peak memory consumption was 14.5MB. Max. memory is 8.0GB. [2022-09-21 14:30:54,662 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 0.10ms. Allocated memory is still 182.5MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.64ms. Allocated memory is still 182.5MB. Free memory was 136.7MB in the beginning and 135.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.09ms. Allocated memory is still 182.5MB. Free memory was 135.1MB in the beginning and 134.1MB in the end (delta: 999.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 260.78ms. Allocated memory is still 182.5MB. Free memory was 134.1MB in the beginning and 153.6MB in the end (delta: -19.5MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. * Abstract Interpretation took 31900.18ms. Allocated memory is still 182.5MB. Free memory was 153.4MB in the beginning and 138.5MB in the end (delta: 14.9MB). Peak memory consumption was 14.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 66]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L55] 0 assume 0 <= M; [L56] 0 assume M < N; [L57] 0 assume i == j && i == max1 && i == max2 && i == max3 && i == 0; [L58] 0 assume k == M; [L59] FORK 0 fork 1 thread1(); [L60] FORK 0 fork 2, 2 thread2(); [L61] FORK 0 fork 3, 3, 3 thread3(); [L62] JOIN 0 join 1; [L63] JOIN 0 join 2, 2; [L64] JOIN 0 join 3, 3, 3; [L65] 0 assume !(max1 == (if max2 < max3 then max3 else max2)); [L66] 0 assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:30:54,873 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forcibly destroying the process [2022-09-21 14:30:54,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 137 [2022-09-21 14:30:54,912 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...