/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/controlDependency.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:03,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:03,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:03,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:03,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:03,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:03,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:03,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:03,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:03,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:03,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:03,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:03,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:03,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:03,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:03,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:03,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:03,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:03,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:03,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:03,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:03,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:03,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:03,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:03,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:03,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:03,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:03,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:03,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:03,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:03,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:03,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:03,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:03,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:03,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:03,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:03,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:03,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:03,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:03,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:03,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:03,321 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 14:26:03,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:03,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:03,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:03,334 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:03,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:03,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:03,335 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:03,335 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:03,335 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:03,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:03,336 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:03,336 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:03,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:03,336 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:03,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:03,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:03,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:03,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:03,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:03,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:03,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:03,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:03,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:03,337 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:03,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:03,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:03,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:03,338 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:03,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:03,338 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:03,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:03,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:03,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:03,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:03,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:03,549 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:03,551 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:03,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/absint/controlDependency.bpl [2022-09-21 14:26:03,552 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/absint/controlDependency.bpl' [2022-09-21 14:26:03,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:03,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:03,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:03,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:03,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:03,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,598 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:03,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:03,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:03,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:03,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:03,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:03,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:03,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:03,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:03,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:03,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:03,638 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 14:26:03,644 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 14:26:03,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:26:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:26:03,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:26:03,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:26:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:26:03,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:26:03,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:03,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:03,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:03,667 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 14:26:03,700 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:03,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:03,813 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:03,818 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:03,819 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:26:03,820 INFO L202 PluginConnector]: Adding new model controlDependency.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:03 BoogieIcfgContainer [2022-09-21 14:26:03,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:03,821 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:03,821 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:03,821 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:03,822 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "controlDependency.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:03,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:03,859 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 14:26:03,860 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 14:26:03,886 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:03,887 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:03,888 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:03,904 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:03,905 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:03,910 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:03,910 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [y, x, flag] [2022-09-21 14:26:03,910 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:26:03,910 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:26:03,910 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:03,910 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:03,911 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:03,911 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:03,911 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [y, x, flag] [2022-09-21 14:26:03,911 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:03,911 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:03,911 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:03,911 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [y, x, flag] [2022-09-21 14:26:03,912 INFO L631 ngineConcurrentUtils]: Start checking 24 possible combinations. [2022-09-21 14:26:03,912 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/24 [2022-09-21 14:26:04,158 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:04,158 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/24 [2022-09-21 14:26:04,301 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:04,301 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/24 [2022-09-21 14:26:04,706 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:04,706 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/24 [2022-09-21 14:26:04,772 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:04,772 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/24 [2022-09-21 14:26:05,160 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:05,160 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/24 [2022-09-21 14:26:05,381 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:05,382 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/24 [2022-09-21 14:26:05,700 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:05,700 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/24 [2022-09-21 14:26:06,082 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:06,082 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/24 [2022-09-21 14:26:06,210 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:06,210 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/24 [2022-09-21 14:26:06,405 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:06,405 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/24 [2022-09-21 14:26:06,640 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:06,640 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/24 [2022-09-21 14:26:06,796 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:06,797 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/24 [2022-09-21 14:26:07,315 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/24 [2022-09-21 14:26:07,700 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/24 [2022-09-21 14:26:08,206 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/24 [2022-09-21 14:26:08,709 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/24 [2022-09-21 14:26:09,120 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/24 [2022-09-21 14:26:09,537 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/24 [2022-09-21 14:26:09,999 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/24 [2022-09-21 14:26:10,437 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/24 [2022-09-21 14:26:10,887 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/24 [2022-09-21 14:26:11,336 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/24 [2022-09-21 14:26:11,834 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/24 [2022-09-21 14:26:12,259 INFO L651 ngineConcurrentUtils]: Number of combinations: 12 [2022-09-21 14:26:12,267 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:12,279 INFO L396 ointEngineConcurrent]: Reduced size from 12 to 12 [2022-09-21 14:26:12,280 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,294 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,298 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,305 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,310 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,324 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,327 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,331 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,337 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,343 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,345 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,347 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:12,350 INFO L323 AbstractInterpreter]: Error location(s) were unreachable [2022-09-21 14:26:12,354 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:12,355 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:12,357 INFO L158 Benchmark]: Toolchain (without parser) took 8784.38ms. Allocated memory is still 182.5MB. Free memory was 147.0MB in the beginning and 155.6MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:12,358 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 147.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:12,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.30ms. Allocated memory is still 182.5MB. Free memory was 147.0MB in the beginning and 145.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-21 14:26:12,360 INFO L158 Benchmark]: Boogie Preprocessor took 13.26ms. Allocated memory is still 182.5MB. Free memory was 145.4MB in the beginning and 144.4MB in the end (delta: 986.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:12,361 INFO L158 Benchmark]: RCFGBuilder took 204.85ms. Allocated memory is still 182.5MB. Free memory was 144.4MB in the beginning and 135.6MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-21 14:26:12,361 INFO L158 Benchmark]: Abstract Interpretation took 8533.91ms. Allocated memory is still 182.5MB. Free memory was 135.5MB in the beginning and 155.6MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:12,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 147.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.30ms. Allocated memory is still 182.5MB. Free memory was 147.0MB in the beginning and 145.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.26ms. Allocated memory is still 182.5MB. Free memory was 145.4MB in the beginning and 144.4MB in the end (delta: 986.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 204.85ms. Allocated memory is still 182.5MB. Free memory was 144.4MB in the beginning and 135.6MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Abstract Interpretation took 8533.91ms. Allocated memory is still 182.5MB. Free memory was 135.5MB in the beginning and 155.6MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 49]: assertion always holds For all program executions holds that assertion always holds at this location RESULT: Ultimate proved your program to be correct! [2022-09-21 14:26:12,467 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 14:26:12,607 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...