/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/absint/loops.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:03,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:03,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:03,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:03,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:03,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:03,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:03,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:03,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:03,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:03,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:03,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:03,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:03,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:03,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:03,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:03,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:03,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:03,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:03,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:03,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:03,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:03,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:03,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:03,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:03,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:03,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:03,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:03,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:03,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:03,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:03,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:03,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:03,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:03,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:03,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:03,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:03,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:03,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:03,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:03,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:03,958 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 14:26:03,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:03,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:03,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:03,974 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:03,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:03,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:03,974 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:03,974 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:03,975 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:03,975 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:03,975 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:03,978 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:03,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:03,979 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:03,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:03,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:03,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:03,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:03,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:03,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:03,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:03,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:03,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:03,980 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:03,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:03,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:03,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:03,980 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:03,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:03,981 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:03,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:03,981 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:04,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:04,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:04,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:04,179 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:04,183 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:04,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/absint/loops.bpl [2022-09-21 14:26:04,184 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/absint/loops.bpl' [2022-09-21 14:26:04,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:04,205 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:04,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:04,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:04,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:04,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,227 INFO L138 Inliner]: procedures = 3, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:04,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:04,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:04,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:04,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:04,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:04,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:04,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:04,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:04,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:04,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:04,268 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 14:26:04,269 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 14:26:04,302 INFO L124 BoogieDeclarations]: Specification and implementation of procedure whileloop given in one single declaration [2022-09-21 14:26:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure whileloop [2022-09-21 14:26:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure whileloop [2022-09-21 14:26:04,302 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ifstatement given in one single declaration [2022-09-21 14:26:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ifstatement [2022-09-21 14:26:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ifstatement [2022-09-21 14:26:04,302 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:04,303 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 14:26:04,335 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:04,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:04,399 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:04,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:04,404 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:26:04,405 INFO L202 PluginConnector]: Adding new model loops.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:04 BoogieIcfgContainer [2022-09-21 14:26:04,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:04,406 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:04,406 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:04,406 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:04,406 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "loops.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:04" (1/1) ... [2022-09-21 14:26:04,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:04,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:04,444 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 14:26:04,447 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 14:26:04,495 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:04,496 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:04,497 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:04,529 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:04,585 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:04,593 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:04,593 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [y, x] [2022-09-21 14:26:04,594 INFO L631 ngineConcurrentUtils]: Start checking 3 possible combinations. [2022-09-21 14:26:04,594 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/3 [2022-09-21 14:26:04,610 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/3 [2022-09-21 14:26:04,613 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/3 [2022-09-21 14:26:04,616 INFO L651 ngineConcurrentUtils]: Number of combinations: 3 [2022-09-21 14:26:04,617 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:04,617 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 2 [2022-09-21 14:26:04,617 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:04,625 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:04,648 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for whileloop with variables: [y, x] [2022-09-21 14:26:04,649 INFO L631 ngineConcurrentUtils]: Start checking 108 possible combinations. [2022-09-21 14:26:04,664 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/108 [2022-09-21 14:26:04,670 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/108 [2022-09-21 14:26:04,674 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/108 [2022-09-21 14:26:04,678 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/108 [2022-09-21 14:26:04,681 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/108 [2022-09-21 14:26:04,684 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/108 [2022-09-21 14:26:04,687 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/108 [2022-09-21 14:26:04,691 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/108 [2022-09-21 14:26:04,695 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/108 [2022-09-21 14:26:04,700 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/108 [2022-09-21 14:26:04,706 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/108 [2022-09-21 14:26:04,709 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/108 [2022-09-21 14:26:04,712 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/108 [2022-09-21 14:26:04,715 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/108 [2022-09-21 14:26:04,719 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/108 [2022-09-21 14:26:04,723 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/108 [2022-09-21 14:26:04,728 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/108 [2022-09-21 14:26:04,732 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/108 [2022-09-21 14:26:04,735 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/108 [2022-09-21 14:26:04,738 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/108 [2022-09-21 14:26:04,741 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/108 [2022-09-21 14:26:04,744 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/108 [2022-09-21 14:26:04,747 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/108 [2022-09-21 14:26:04,750 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/108 [2022-09-21 14:26:04,753 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/108 [2022-09-21 14:26:04,756 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/108 [2022-09-21 14:26:04,759 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/108 [2022-09-21 14:26:04,762 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/108 [2022-09-21 14:26:04,766 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/108 [2022-09-21 14:26:04,769 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/108 [2022-09-21 14:26:04,772 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/108 [2022-09-21 14:26:04,775 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/108 [2022-09-21 14:26:04,778 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/108 [2022-09-21 14:26:04,781 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/108 [2022-09-21 14:26:04,785 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/108 [2022-09-21 14:26:04,788 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/108 [2022-09-21 14:26:04,791 INFO L642 ngineConcurrentUtils]: Filter Iteration 37/108 [2022-09-21 14:26:04,794 INFO L642 ngineConcurrentUtils]: Filter Iteration 38/108 [2022-09-21 14:26:04,797 INFO L642 ngineConcurrentUtils]: Filter Iteration 39/108 [2022-09-21 14:26:04,800 INFO L642 ngineConcurrentUtils]: Filter Iteration 40/108 [2022-09-21 14:26:04,804 INFO L642 ngineConcurrentUtils]: Filter Iteration 41/108 [2022-09-21 14:26:04,807 INFO L642 ngineConcurrentUtils]: Filter Iteration 42/108 [2022-09-21 14:26:04,810 INFO L642 ngineConcurrentUtils]: Filter Iteration 43/108 [2022-09-21 14:26:04,813 INFO L642 ngineConcurrentUtils]: Filter Iteration 44/108 [2022-09-21 14:26:04,817 INFO L642 ngineConcurrentUtils]: Filter Iteration 45/108 [2022-09-21 14:26:04,820 INFO L642 ngineConcurrentUtils]: Filter Iteration 46/108 [2022-09-21 14:26:04,823 INFO L642 ngineConcurrentUtils]: Filter Iteration 47/108 [2022-09-21 14:26:04,826 INFO L642 ngineConcurrentUtils]: Filter Iteration 48/108 [2022-09-21 14:26:04,829 INFO L642 ngineConcurrentUtils]: Filter Iteration 49/108 [2022-09-21 14:26:04,832 INFO L642 ngineConcurrentUtils]: Filter Iteration 50/108 [2022-09-21 14:26:04,834 INFO L642 ngineConcurrentUtils]: Filter Iteration 51/108 [2022-09-21 14:26:04,838 INFO L642 ngineConcurrentUtils]: Filter Iteration 52/108 [2022-09-21 14:26:04,840 INFO L642 ngineConcurrentUtils]: Filter Iteration 53/108 [2022-09-21 14:26:04,844 INFO L642 ngineConcurrentUtils]: Filter Iteration 54/108 [2022-09-21 14:26:04,847 INFO L642 ngineConcurrentUtils]: Filter Iteration 55/108 [2022-09-21 14:26:04,850 INFO L642 ngineConcurrentUtils]: Filter Iteration 56/108 [2022-09-21 14:26:04,852 INFO L642 ngineConcurrentUtils]: Filter Iteration 57/108 [2022-09-21 14:26:04,855 INFO L642 ngineConcurrentUtils]: Filter Iteration 58/108 [2022-09-21 14:26:04,858 INFO L642 ngineConcurrentUtils]: Filter Iteration 59/108 [2022-09-21 14:26:04,861 INFO L642 ngineConcurrentUtils]: Filter Iteration 60/108 [2022-09-21 14:26:04,864 INFO L642 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ngineConcurrentUtils]: Filter Iteration 97/108 [2022-09-21 14:26:04,970 INFO L642 ngineConcurrentUtils]: Filter Iteration 98/108 [2022-09-21 14:26:04,974 INFO L642 ngineConcurrentUtils]: Filter Iteration 99/108 [2022-09-21 14:26:04,976 INFO L642 ngineConcurrentUtils]: Filter Iteration 100/108 [2022-09-21 14:26:04,979 INFO L642 ngineConcurrentUtils]: Filter Iteration 101/108 [2022-09-21 14:26:04,982 INFO L642 ngineConcurrentUtils]: Filter Iteration 102/108 [2022-09-21 14:26:04,984 INFO L642 ngineConcurrentUtils]: Filter Iteration 103/108 [2022-09-21 14:26:04,988 INFO L642 ngineConcurrentUtils]: Filter Iteration 104/108 [2022-09-21 14:26:04,990 INFO L642 ngineConcurrentUtils]: Filter Iteration 105/108 [2022-09-21 14:26:04,994 INFO L642 ngineConcurrentUtils]: Filter Iteration 106/108 [2022-09-21 14:26:04,997 INFO L642 ngineConcurrentUtils]: Filter Iteration 107/108 [2022-09-21 14:26:05,000 INFO L642 ngineConcurrentUtils]: Filter Iteration 108/108 [2022-09-21 14:26:05,003 INFO L651 ngineConcurrentUtils]: Number of combinations: 108 [2022-09-21 14:26:05,034 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:05,043 INFO L396 ointEngineConcurrent]: Reduced size from 108 to 2 [2022-09-21 14:26:05,044 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,068 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,086 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ifstatement with variables: [y, x] [2022-09-21 14:26:05,086 INFO L631 ngineConcurrentUtils]: Start checking 36 possible combinations. [2022-09-21 14:26:05,086 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/36 [2022-09-21 14:26:05,090 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/36 [2022-09-21 14:26:05,093 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/36 [2022-09-21 14:26:05,096 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/36 [2022-09-21 14:26:05,099 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/36 [2022-09-21 14:26:05,102 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/36 [2022-09-21 14:26:05,105 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/36 [2022-09-21 14:26:05,107 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/36 [2022-09-21 14:26:05,110 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/36 [2022-09-21 14:26:05,113 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/36 [2022-09-21 14:26:05,116 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/36 [2022-09-21 14:26:05,118 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/36 [2022-09-21 14:26:05,121 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/36 [2022-09-21 14:26:05,124 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/36 [2022-09-21 14:26:05,127 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/36 [2022-09-21 14:26:05,130 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/36 [2022-09-21 14:26:05,133 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/36 [2022-09-21 14:26:05,136 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/36 [2022-09-21 14:26:05,139 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/36 [2022-09-21 14:26:05,141 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/36 [2022-09-21 14:26:05,144 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/36 [2022-09-21 14:26:05,147 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/36 [2022-09-21 14:26:05,150 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/36 [2022-09-21 14:26:05,153 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/36 [2022-09-21 14:26:05,156 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/36 [2022-09-21 14:26:05,159 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/36 [2022-09-21 14:26:05,161 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/36 [2022-09-21 14:26:05,164 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/36 [2022-09-21 14:26:05,166 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/36 [2022-09-21 14:26:05,169 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/36 [2022-09-21 14:26:05,172 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/36 [2022-09-21 14:26:05,174 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/36 [2022-09-21 14:26:05,177 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/36 [2022-09-21 14:26:05,180 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/36 [2022-09-21 14:26:05,182 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/36 [2022-09-21 14:26:05,185 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/36 [2022-09-21 14:26:05,188 INFO L651 ngineConcurrentUtils]: Number of combinations: 36 [2022-09-21 14:26:05,188 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:05,189 INFO L396 ointEngineConcurrent]: Reduced size from 36 to 1 [2022-09-21 14:26:05,190 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,194 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 3 [2022-09-21 14:26:05,194 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:05,194 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 1 [2022-09-21 14:26:05,194 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,201 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:05,205 INFO L396 ointEngineConcurrent]: Reduced size from 108 to 1 [2022-09-21 14:26:05,205 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,216 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:05,216 INFO L396 ointEngineConcurrent]: Reduced size from 36 to 1 [2022-09-21 14:26:05,217 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,223 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 4 [2022-09-21 14:26:05,223 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:05,223 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 1 [2022-09-21 14:26:05,224 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,234 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:05,237 INFO L396 ointEngineConcurrent]: Reduced size from 108 to 1 [2022-09-21 14:26:05,237 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,247 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:05,248 INFO L396 ointEngineConcurrent]: Reduced size from 36 to 1 [2022-09-21 14:26:05,248 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,253 INFO L323 AbstractInterpreter]: Error location(s) were unreachable [2022-09-21 14:26:05,255 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:05,255 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:05,256 INFO L158 Benchmark]: Toolchain (without parser) took 1050.46ms. Allocated memory is still 197.1MB. Free memory was 158.9MB in the beginning and 144.8MB in the end (delta: 14.1MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2022-09-21 14:26:05,257 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 197.1MB. Free memory was 159.8MB in the beginning and 159.8MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:05,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.33ms. Allocated memory is still 197.1MB. Free memory was 158.7MB in the beginning and 157.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:05,257 INFO L158 Benchmark]: Boogie Preprocessor took 15.25ms. Allocated memory is still 197.1MB. Free memory was 157.2MB in the beginning and 156.2MB in the end (delta: 934.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:05,258 INFO L158 Benchmark]: RCFGBuilder took 159.24ms. Allocated memory is still 197.1MB. Free memory was 156.2MB in the beginning and 147.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-09-21 14:26:05,258 INFO L158 Benchmark]: Abstract Interpretation took 849.35ms. Allocated memory is still 197.1MB. Free memory was 147.0MB in the beginning and 144.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-21 14:26:05,261 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 0.14ms. Allocated memory is still 197.1MB. Free memory was 159.8MB in the beginning and 159.8MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.33ms. Allocated memory is still 197.1MB. Free memory was 158.7MB in the beginning and 157.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.25ms. Allocated memory is still 197.1MB. Free memory was 157.2MB in the beginning and 156.2MB in the end (delta: 934.3kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 159.24ms. Allocated memory is still 197.1MB. Free memory was 156.2MB in the beginning and 147.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Abstract Interpretation took 849.35ms. Allocated memory is still 197.1MB. Free memory was 147.0MB in the beginning and 144.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-09-21 14:26:05,288 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 14:26:05,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...