/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/unbounded/pthread_fkp_2014.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:23,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:23,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:23,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:23,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:23,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:23,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:23,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:23,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:23,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:23,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:23,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:23,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:23,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:23,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:23,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:23,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:23,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:23,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:23,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:23,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:23,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:23,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:23,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:23,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:23,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:23,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:23,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:23,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:23,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:23,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:23,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:23,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:23,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:23,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:23,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:23,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:23,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:23,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:23,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:23,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:23,415 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 14:26:23,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:23,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:23,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:23,441 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:23,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:23,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:23,441 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:23,442 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:23,442 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:23,442 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:23,442 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:23,442 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:23,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:23,443 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:23,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:23,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:23,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:23,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:23,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:23,443 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:23,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:23,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:23,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:23,444 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:23,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:23,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:23,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:23,444 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:23,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:23,444 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:23,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:23,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:23,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:23,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:23,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:23,647 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:23,648 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:23,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/unbounded/pthread_fkp_2014.bpl [2022-09-21 14:26:23,649 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/unbounded/pthread_fkp_2014.bpl' [2022-09-21 14:26:23,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:23,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:23,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:23,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:23,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:23,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,689 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:23,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:23,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:23,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:23,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:23,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:23,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:23,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:23,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:23,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:23,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:23,727 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 14:26:23,741 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 14:26:23,755 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:23,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2022-09-21 14:26:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-09-21 14:26:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-09-21 14:26:23,756 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 14:26:23,785 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:23,785 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:23,832 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:23,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:23,837 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-21 14:26:23,839 INFO L202 PluginConnector]: Adding new model pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:23 BoogieIcfgContainer [2022-09-21 14:26:23,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:23,840 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:23,840 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:23,840 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:23,842 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pthread_fkp_2014.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:23" (1/1) ... [2022-09-21 14:26:23,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:23,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:23,894 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 14:26:23,897 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 14:26:23,918 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,919 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:23,920 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,936 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,941 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:23,941 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [t, s] [2022-09-21 14:26:23,941 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:23,941 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,941 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:23,941 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread with variables: [t, s] [2022-09-21 14:26:23,942 INFO L631 ngineConcurrentUtils]: Start checking 16 possible combinations. [2022-09-21 14:26:23,942 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/16 [2022-09-21 14:26:23,955 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/16 [2022-09-21 14:26:23,968 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/16 [2022-09-21 14:26:23,980 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/16 [2022-09-21 14:26:23,992 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/16 [2022-09-21 14:26:24,004 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/16 [2022-09-21 14:26:24,015 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/16 [2022-09-21 14:26:24,027 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/16 [2022-09-21 14:26:24,039 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/16 [2022-09-21 14:26:24,056 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/16 [2022-09-21 14:26:24,069 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/16 [2022-09-21 14:26:24,086 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/16 [2022-09-21 14:26:24,099 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/16 [2022-09-21 14:26:24,116 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/16 [2022-09-21 14:26:24,134 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/16 [2022-09-21 14:26:24,146 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/16 [2022-09-21 14:26:24,161 INFO L651 ngineConcurrentUtils]: Number of combinations: 16 [2022-09-21 14:26:24,168 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:24,178 INFO L396 ointEngineConcurrent]: Reduced size from 16 to 4 [2022-09-21 14:26:24,178 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,187 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,196 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,203 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,208 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 3 [2022-09-21 14:26:24,208 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:24,208 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:24,211 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:24,214 INFO L396 ointEngineConcurrent]: Reduced size from 16 to 4 [2022-09-21 14:26:24,214 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,220 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,223 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,226 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,229 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 4 [2022-09-21 14:26:24,229 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:24,229 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:24,232 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:24,236 INFO L396 ointEngineConcurrent]: Reduced size from 16 to 4 [2022-09-21 14:26:24,237 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,239 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,242 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,244 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,247 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 5 [2022-09-21 14:26:24,247 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:24,247 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:24,250 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:24,251 INFO L396 ointEngineConcurrent]: Reduced size from 16 to 4 [2022-09-21 14:26:24,252 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,255 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,257 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,259 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,261 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 6 [2022-09-21 14:26:24,262 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:24,262 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:24,269 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:24,270 INFO L396 ointEngineConcurrent]: Reduced size from 16 to 4 [2022-09-21 14:26:24,270 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,277 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,282 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,289 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:24,292 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:26:24,299 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:24,299 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:24,302 INFO L158 Benchmark]: Toolchain (without parser) took 634.55ms. Allocated memory is still 178.3MB. Free memory was 134.8MB in the beginning and 131.0MB in the end (delta: 3.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-09-21 14:26:24,302 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:24,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.86ms. Allocated memory is still 178.3MB. Free memory was 134.8MB in the beginning and 133.2MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-21 14:26:24,304 INFO L158 Benchmark]: Boogie Preprocessor took 8.38ms. Allocated memory is still 178.3MB. Free memory was 133.2MB in the beginning and 132.3MB in the end (delta: 827.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:24,305 INFO L158 Benchmark]: RCFGBuilder took 139.24ms. Allocated memory is still 178.3MB. Free memory was 132.2MB in the beginning and 124.2MB in the end (delta: 8.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-09-21 14:26:24,305 INFO L158 Benchmark]: Abstract Interpretation took 459.84ms. Allocated memory is still 178.3MB. Free memory was 124.1MB in the beginning and 131.0MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:24,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.86ms. Allocated memory is still 178.3MB. Free memory was 134.8MB in the beginning and 133.2MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 8.38ms. Allocated memory is still 178.3MB. Free memory was 133.2MB in the beginning and 132.3MB in the end (delta: 827.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 139.24ms. Allocated memory is still 178.3MB. Free memory was 132.2MB in the beginning and 124.2MB in the end (delta: 8.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Abstract Interpretation took 459.84ms. Allocated memory is still 178.3MB. Free memory was 124.1MB in the beginning and 131.0MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 17]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] t := t + 1; [L17] assert s < t; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:26:24,344 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 14:26:24,541 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...