/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/goblint.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:21,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:21,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:21,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:21,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:21,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:21,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:21,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:21,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:22,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:22,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:22,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:22,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:22,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:22,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:22,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:22,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:22,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:22,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:22,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:22,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:22,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:22,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:22,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:22,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:22,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:22,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:22,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:22,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:22,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:22,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:22,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:22,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:22,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:22,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:22,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:22,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:22,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:22,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:22,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:22,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:22,037 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 14:26:22,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:22,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:22,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:22,069 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:22,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:22,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:22,073 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:22,073 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:22,073 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:22,073 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:22,074 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:22,074 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:22,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:22,075 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:22,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:22,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:22,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:22,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:22,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:22,075 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:22,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:22,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:22,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:22,077 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:22,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:22,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:22,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:22,077 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:22,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:22,078 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:22,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:22,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:22,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:22,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:22,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:22,318 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:22,319 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:22,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/unbounded/goblint.bpl [2022-09-21 14:26:22,320 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/unbounded/goblint.bpl' [2022-09-21 14:26:22,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:22,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:22,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:22,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:22,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:22,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,361 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:22,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:22,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:22,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:22,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:22,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:22,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:22,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:22,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:22,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "goblint.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:22,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:22,404 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 14:26:22,407 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 14:26:22,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:22,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2022-09-21 14:26:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-09-21 14:26:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-09-21 14:26:22,441 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 14:26:22,480 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:22,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:22,565 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:22,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:22,579 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-21 14:26:22,581 INFO L202 PluginConnector]: Adding new model goblint.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:22 BoogieIcfgContainer [2022-09-21 14:26:22,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:22,588 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:22,588 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:22,588 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:22,589 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "goblint.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:22" (1/1) ... [2022-09-21 14:26:22,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:22,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:22,654 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 14:26:22,656 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 14:26:22,695 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:22,697 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:22,697 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:22,724 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:22,733 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:22,734 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [m] [2022-09-21 14:26:22,734 INFO L631 ngineConcurrentUtils]: Start checking 9 possible combinations. [2022-09-21 14:26:22,735 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/9 [2022-09-21 14:26:22,768 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/9 [2022-09-21 14:26:22,789 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/9 [2022-09-21 14:26:22,811 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/9 [2022-09-21 14:26:22,832 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/9 [2022-09-21 14:26:22,853 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/9 [2022-09-21 14:26:22,873 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/9 [2022-09-21 14:26:22,907 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/9 [2022-09-21 14:26:22,934 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/9 [2022-09-21 14:26:22,957 INFO L651 ngineConcurrentUtils]: Number of combinations: 9 [2022-09-21 14:26:22,958 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [g] [2022-09-21 14:26:22,958 INFO L631 ngineConcurrentUtils]: Start checking 9 possible combinations. [2022-09-21 14:26:22,958 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/9 [2022-09-21 14:26:22,986 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/9 [2022-09-21 14:26:23,012 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/9 [2022-09-21 14:26:23,034 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/9 [2022-09-21 14:26:23,057 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/9 [2022-09-21 14:26:23,079 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/9 [2022-09-21 14:26:23,100 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/9 [2022-09-21 14:26:23,132 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/9 [2022-09-21 14:26:23,158 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/9 [2022-09-21 14:26:23,184 INFO L651 ngineConcurrentUtils]: Number of combinations: 9 [2022-09-21 14:26:23,190 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,194 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 4 [2022-09-21 14:26:23,194 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,206 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,214 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,221 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,226 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread with variables: [m] [2022-09-21 14:26:23,227 INFO L631 ngineConcurrentUtils]: Start checking 3 possible combinations. [2022-09-21 14:26:23,227 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/3 [2022-09-21 14:26:23,245 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/3 [2022-09-21 14:26:23,266 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/3 [2022-09-21 14:26:23,280 INFO L651 ngineConcurrentUtils]: Number of combinations: 3 [2022-09-21 14:26:23,281 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread with variables: [g] [2022-09-21 14:26:23,281 INFO L631 ngineConcurrentUtils]: Start checking 9 possible combinations. [2022-09-21 14:26:23,281 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/9 [2022-09-21 14:26:23,301 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/9 [2022-09-21 14:26:23,328 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/9 [2022-09-21 14:26:23,349 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/9 [2022-09-21 14:26:23,369 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/9 [2022-09-21 14:26:23,396 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/9 [2022-09-21 14:26:23,417 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/9 [2022-09-21 14:26:23,437 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/9 [2022-09-21 14:26:23,456 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/9 [2022-09-21 14:26:23,475 INFO L651 ngineConcurrentUtils]: Number of combinations: 9 [2022-09-21 14:26:23,476 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,478 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 4 [2022-09-21 14:26:23,478 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,485 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,492 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,494 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,502 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 3 [2022-09-21 14:26:23,504 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,506 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 4 [2022-09-21 14:26:23,506 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,511 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,528 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,536 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,546 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,548 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 7 [2022-09-21 14:26:23,548 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,552 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,561 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,569 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,571 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,580 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,587 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,591 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 4 [2022-09-21 14:26:23,594 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,596 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 4 [2022-09-21 14:26:23,596 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,599 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,604 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,608 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,612 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,613 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 7 [2022-09-21 14:26:23,613 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,620 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,626 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,633 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,642 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,647 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,651 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,653 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 5 [2022-09-21 14:26:23,654 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,655 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 4 [2022-09-21 14:26:23,656 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,663 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,666 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,668 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,671 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,672 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 7 [2022-09-21 14:26:23,673 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,676 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,680 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,683 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,686 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,691 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,696 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,699 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 6 [2022-09-21 14:26:23,700 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,700 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 2 [2022-09-21 14:26:23,701 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,703 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,709 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:23,709 INFO L396 ointEngineConcurrent]: Reduced size from 9 to 3 [2022-09-21 14:26:23,709 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,711 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,712 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:23,721 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:26:23,730 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:23,731 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:23,732 INFO L158 Benchmark]: Toolchain (without parser) took 1393.94ms. Allocated memory is still 191.9MB. Free memory was 147.8MB in the beginning and 135.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:23,733 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 191.9MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:23,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.19ms. Allocated memory is still 191.9MB. Free memory was 147.8MB in the beginning and 146.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:23,734 INFO L158 Benchmark]: Boogie Preprocessor took 13.07ms. Allocated memory is still 191.9MB. Free memory was 146.3MB in the beginning and 145.4MB in the end (delta: 873.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:23,735 INFO L158 Benchmark]: RCFGBuilder took 209.81ms. Allocated memory is still 191.9MB. Free memory was 145.3MB in the beginning and 136.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-21 14:26:23,735 INFO L158 Benchmark]: Abstract Interpretation took 1142.95ms. Allocated memory is still 191.9MB. Free memory was 136.7MB in the beginning and 135.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.5MB. Max. memory is 8.0GB. [2022-09-21 14:26:23,738 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 191.9MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.19ms. Allocated memory is still 191.9MB. Free memory was 147.8MB in the beginning and 146.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.07ms. Allocated memory is still 191.9MB. Free memory was 146.3MB in the beginning and 145.4MB in the end (delta: 873.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 209.81ms. Allocated memory is still 191.9MB. Free memory was 145.3MB in the beginning and 136.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Abstract Interpretation took 1142.95ms. Allocated memory is still 191.9MB. Free memory was 136.7MB in the beginning and 135.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 34]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L27] g := 0; [L28] m := 0; [L34] assert m != 0 || g == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:26:23,775 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 14:26:23,968 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...