/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-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:30:22,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:30:22,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:30:22,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:30:22,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:30:22,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:30:22,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:30:22,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:30:22,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:30:22,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:30:22,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:30:22,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:30:22,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:30:22,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:30:22,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:30:22,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:30:22,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:30:22,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:30:22,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:30:22,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:30:22,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:30:22,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:30:22,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:30:22,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:30:22,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:30:22,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:30:22,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:30:22,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:30:22,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:30:22,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:30:22,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:30:22,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:30:22,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:30:22,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:30:22,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:30:22,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:30:22,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:30:22,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:30:22,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:30:22,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:30:22,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:30:22,512 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 14:30:22,544 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:30:22,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:30:22,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:30:22,545 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:30:22,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:30:22,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:30:22,546 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:30:22,546 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:30:22,546 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:30:22,546 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:30:22,546 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:30:22,546 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:30:22,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:30:22,547 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:30:22,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:30:22,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:30:22,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:30:22,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:30:22,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:30:22,549 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:30:22,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:30:22,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:30:22,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:30:22,551 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:30:22,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:30:22,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:30:22,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:30:22,552 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:30:22,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:30:22,552 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:30:22,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:30:22,552 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:30:22,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:30:22,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:30:22,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:30:22,752 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:30:22,755 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:30:22,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl [2022-09-21 14:30:22,756 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl' [2022-09-21 14:30:22,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:30:22,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:30:22,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:30:22,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:30:22,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:30:22,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,822 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:30:22,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:30:22,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:30:22,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:30:22,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:30:22,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:30:22,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:30:22,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:30:22,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:30:22,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:22" (1/1) ... [2022-09-21 14:30:22,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:30:22,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:30:22,893 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 14:30:22,921 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 14:30:22,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:30:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:30:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:30:22,938 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:30:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:30:22,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:30:22,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:30:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:30:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:30:22,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-21 14:30:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-21 14:30:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-21 14:30:22,940 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 14:30:22,985 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:30:22,987 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:30:23,096 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:30:23,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:30:23,113 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:30:23,115 INFO L202 PluginConnector]: Adding new model max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:30:23 BoogieIcfgContainer [2022-09-21 14:30:23,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:30:23,116 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:30:23,116 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:30:23,117 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:30:23,117 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:30:23" (1/1) ... [2022-09-21 14:30:23,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:30:23,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:30:23,195 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 14:30:23,197 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 14:30:23,260 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:23,262 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:30:23,262 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:23,305 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:23,488 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:23,533 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:23,571 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:30:23,572 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [A, N, M, k, j, i, max1, max2] [2022-09-21 14:30:23,576 INFO L631 ngineConcurrentUtils]: Start checking 48 possible combinations. [2022-09-21 14:30:23,576 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/48 [2022-09-21 14:30:23,998 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/48 [2022-09-21 14:30:24,444 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/48 [2022-09-21 14:30:24,910 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/48 [2022-09-21 14:30:25,354 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/48 [2022-09-21 14:30:25,788 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/48 [2022-09-21 14:30:26,290 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/48 [2022-09-21 14:30:26,755 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/48 [2022-09-21 14:30:27,209 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/48 [2022-09-21 14:30:27,648 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/48 [2022-09-21 14:30:28,102 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/48 [2022-09-21 14:30:28,613 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/48 [2022-09-21 14:30:29,063 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/48 [2022-09-21 14:30:29,532 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/48 [2022-09-21 14:30:29,993 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/48 [2022-09-21 14:30:30,482 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/48 [2022-09-21 14:30:30,935 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/48 [2022-09-21 14:30:31,407 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/48 [2022-09-21 14:30:31,877 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/48 [2022-09-21 14:30:32,314 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/48 [2022-09-21 14:30:32,744 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/48 [2022-09-21 14:30:33,218 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/48 [2022-09-21 14:30:33,791 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/48 [2022-09-21 14:30:34,260 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/48 [2022-09-21 14:30:34,765 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/48 [2022-09-21 14:30:35,304 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/48 [2022-09-21 14:30:35,758 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/48 [2022-09-21 14:30:36,259 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/48 [2022-09-21 14:30:36,769 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/48 [2022-09-21 14:30:37,254 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/48 [2022-09-21 14:30:37,745 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/48 [2022-09-21 14:30:38,237 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/48 [2022-09-21 14:30:38,720 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/48 [2022-09-21 14:30:39,159 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/48 [2022-09-21 14:30:39,604 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/48 [2022-09-21 14:30:40,103 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/48 [2022-09-21 14:30:40,572 INFO L642 ngineConcurrentUtils]: Filter Iteration 37/48 [2022-09-21 14:30:41,076 INFO L642 ngineConcurrentUtils]: Filter Iteration 38/48 [2022-09-21 14:30:41,558 INFO L642 ngineConcurrentUtils]: Filter Iteration 39/48 [2022-09-21 14:30:42,051 INFO L642 ngineConcurrentUtils]: Filter Iteration 40/48 [2022-09-21 14:30:42,528 INFO L642 ngineConcurrentUtils]: Filter Iteration 41/48 [2022-09-21 14:30:42,972 INFO L642 ngineConcurrentUtils]: Filter Iteration 42/48 [2022-09-21 14:30:43,483 INFO L642 ngineConcurrentUtils]: Filter Iteration 43/48 [2022-09-21 14:30:44,151 INFO L642 ngineConcurrentUtils]: Filter Iteration 44/48 [2022-09-21 14:30:44,650 INFO L642 ngineConcurrentUtils]: Filter Iteration 45/48 [2022-09-21 14:30:45,138 INFO L642 ngineConcurrentUtils]: Filter Iteration 46/48 [2022-09-21 14:30:45,617 INFO L642 ngineConcurrentUtils]: Filter Iteration 47/48 [2022-09-21 14:30:46,080 INFO L642 ngineConcurrentUtils]: Filter Iteration 48/48 [2022-09-21 14:30:46,560 INFO L651 ngineConcurrentUtils]: Number of combinations: 9 [2022-09-21 14:30:46,564 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:30:46,566 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 8 [2022-09-21 14:30:46,566 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:46,577 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:46,592 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:46,602 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:46,611 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:46,627 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:46,636 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:46,645 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:46,652 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [A, N, M, k, j, i, max1, max2] [2022-09-21 14:30:46,652 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:30:46,652 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:30:46,653 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:46,653 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:30:46,653 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:30:46,653 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:30:46,653 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [A, N, M, k, j, i, max1, max2] [2022-09-21 14:30:46,653 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:30:46,653 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:30:46,653 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:46,653 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:30:46,653 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:30:46,654 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:30:46,654 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [A, N, M, k, j, i, max1, max2] [2022-09-21 14:30:46,654 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:30:46,654 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:30:46,654 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:46,654 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:30:46,654 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:30:46,655 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:30:46,673 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:30:46,683 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:30:46,683 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:30:46,687 INFO L158 Benchmark]: Toolchain (without parser) took 23905.89ms. Allocated memory was 179.3MB in the beginning and 252.7MB in the end (delta: 73.4MB). Free memory was 131.9MB in the beginning and 177.7MB in the end (delta: -45.8MB). Peak memory consumption was 28.6MB. Max. memory is 8.0GB. [2022-09-21 14:30:46,688 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:30:46,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.44ms. Allocated memory is still 179.3MB. Free memory was 131.7MB in the beginning and 130.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:30:46,690 INFO L158 Benchmark]: Boogie Preprocessor took 24.50ms. Allocated memory is still 179.3MB. Free memory was 130.3MB in the beginning and 129.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:30:46,691 INFO L158 Benchmark]: RCFGBuilder took 261.46ms. Allocated memory is still 179.3MB. Free memory was 129.2MB in the beginning and 149.5MB in the end (delta: -20.3MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-09-21 14:30:46,692 INFO L158 Benchmark]: Abstract Interpretation took 23567.55ms. Allocated memory was 179.3MB in the beginning and 252.7MB in the end (delta: 73.4MB). Free memory was 149.4MB in the beginning and 178.2MB in the end (delta: -28.9MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2022-09-21 14:30:46,699 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 0.12ms. Allocated memory is still 179.3MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.44ms. Allocated memory is still 179.3MB. Free memory was 131.7MB in the beginning and 130.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.50ms. Allocated memory is still 179.3MB. Free memory was 130.3MB in the beginning and 129.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 261.46ms. Allocated memory is still 179.3MB. Free memory was 129.2MB in the beginning and 149.5MB in the end (delta: -20.3MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * Abstract Interpretation took 23567.55ms. Allocated memory was 179.3MB in the beginning and 252.7MB in the end (delta: 73.4MB). Free memory was 149.4MB in the beginning and 178.2MB in the end (delta: -28.9MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 65]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L54] 0 assume 0 <= M; [L55] 0 assume M < N; [L56] 0 assume i == j && i == max1 && i == max2 && i == 0; [L57] 0 assume k == M; [L58] FORK 0 fork 1 thread1(); [L59] FORK 0 fork 2, 2 thread2(); [L60] FORK 0 fork 3, 3, 3 thread3(); [L61] JOIN 0 join 1; [L62] JOIN 0 join 2, 2; [L63] JOIN 0 join 3, 3, 3; [L64] 0 assume !(max1 == max2); [L65] 0 assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:30:46,935 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 14:30:46,953 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 14:30:46,969 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...