/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET --buchiautomizer.use.buchi.petri.net.intersection.optimizations false --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sum-print.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:37:28,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:37:28,514 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-10 01:37:28,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:37:28,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:37:28,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:37:28,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:37:28,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:37:28,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:37:28,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:37:28,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:37:28,571 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:37:28,572 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:37:28,572 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:37:28,572 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:37:28,572 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:37:28,573 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:37:28,573 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:37:28,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:37:28,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:37:28,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:37:28,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:37:28,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:37:28,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:37:28,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:37:28,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:37:28,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:37:28,575 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:37:28,575 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:37:28,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:37:28,576 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:37:28,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:37:28,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:37:28,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:37:28,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:37:28,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:37:28,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:37:28,577 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:37:28,577 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 01:37:28,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:37:28,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:37:28,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:37:28,853 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:37:28,856 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:37:28,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print.bpl [2024-02-10 01:37:28,857 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print.bpl' [2024-02-10 01:37:28,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:37:28,878 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:37:28,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:37:28,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:37:28,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:37:28,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,935 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-02-10 01:37:28,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:37:28,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:37:28,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:37:28,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:37:28,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:37:28,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:37:28,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:37:28,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:37:28,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/1) ... [2024-02-10 01:37:28,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:28,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:28,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:29,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-02-10 01:37:29,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:37:29,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:37:29,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:37:29,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2024-02-10 01:37:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2024-02-10 01:37:29,044 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2024-02-10 01:37:29,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2024-02-10 01:37:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2024-02-10 01:37:29,044 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2024-02-10 01:37:29,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T3 given in one single declaration [2024-02-10 01:37:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure T3 [2024-02-10 01:37:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure T3 [2024-02-10 01:37:29,045 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-10 01:37:29,094 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:37:29,096 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:37:29,178 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:37:29,206 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:37:29,206 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-10 01:37:29,208 INFO L201 PluginConnector]: Adding new model sum-print.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:37:29 BoogieIcfgContainer [2024-02-10 01:37:29,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:37:29,209 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:37:29,209 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:37:29,225 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:37:29,225 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:37:29,228 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:37:28" (1/2) ... [2024-02-10 01:37:29,229 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6781b1ce and model type sum-print.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:37:29, skipping insertion in model container [2024-02-10 01:37:29,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:37:29,230 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:37:29" (2/2) ... [2024-02-10 01:37:29,235 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum-print.bpl [2024-02-10 01:37:29,284 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-10 01:37:29,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 89 flow [2024-02-10 01:37:29,322 INFO L124 PetriNetUnfolderBase]: 3/28 cut-off events. [2024-02-10 01:37:29,322 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-10 01:37:29,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 28 events. 3/28 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 47 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2024-02-10 01:37:29,326 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 89 flow [2024-02-10 01:37:29,329 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 74 flow [2024-02-10 01:37:29,334 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:37:29,334 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:37:29,334 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:37:29,334 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:37:29,334 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:37:29,334 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:37:29,334 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:37:29,334 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:37:29,334 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:29,335 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 35 places, 28 transitions, 74 flow [2024-02-10 01:37:29,363 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 234 states, 232 states have (on average 2.9224137931034484) internal successors, (678), 233 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:29,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 234 states, 232 states have (on average 2.9224137931034484) internal successors, (678), 233 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:29,395 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 202 [2024-02-10 01:37:29,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:29,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:29,399 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:37:29,399 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:29,399 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 35 places, 28 transitions, 74 flow [2024-02-10 01:37:29,410 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 234 states, 232 states have (on average 2.9224137931034484) internal successors, (678), 233 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:29,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 234 states, 232 states have (on average 2.9224137931034484) internal successors, (678), 233 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:37:29,418 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 202 [2024-02-10 01:37:29,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:29,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:29,422 INFO L748 eck$LassoCheckResult]: Stem: Black: 511#[$Ultimate##0]don't care [75] $Ultimate##0-->L63: Formula: (= v_x_1 0) InVars {} OutVars{x=v_x_1} AuxVars[] AssignedVars[x] 514#[L63]don't care [54] L63-->L65: Formula: (= v_y_1 0) InVars {} OutVars{y=v_y_1} AuxVars[] AssignedVars[y] 516#[L65]don't care [100] L65-->L24: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_thidvar0] 518#[L65-1, L24]don't care [2024-02-10 01:37:29,423 INFO L750 eck$LassoCheckResult]: Loop: 518#[L65-1, L24]don't care [82] L24-->L26: Formula: (= (+ v_x_5 1) v_x_4) InVars {x=v_x_5} OutVars{x=v_x_4} AuxVars[] AssignedVars[x] 522#[L65-1, L26]don't care [83] L26-->L24: Formula: (= (+ v_y_4 1) v_y_5) InVars {y=v_y_5} OutVars{y=v_y_4} AuxVars[] AssignedVars[y] 518#[L65-1, L24]don't care [2024-02-10 01:37:29,426 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:29,427 INFO L85 PathProgramCache]: Analyzing trace with hash 103640, now seen corresponding path program 1 times [2024-02-10 01:37:29,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:29,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475714423] [2024-02-10 01:37:29,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:29,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:29,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:29,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:29,508 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:29,508 INFO L85 PathProgramCache]: Analyzing trace with hash 3586, now seen corresponding path program 1 times [2024-02-10 01:37:29,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:29,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815645922] [2024-02-10 01:37:29,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:29,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:29,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:29,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:29,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:29,524 INFO L85 PathProgramCache]: Analyzing trace with hash 99600665, now seen corresponding path program 1 times [2024-02-10 01:37:29,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:29,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502471745] [2024-02-10 01:37:29,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:29,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:29,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:29,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:29,577 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:37:29,578 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:37:29,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:37:29,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:37:29,578 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 01:37:29,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:37:29,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:37:29,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-print.bpl_BEv2_Iteration1_Loop [2024-02-10 01:37:29,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:37:29,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:37:29,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:29,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:29,636 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:37:29,636 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 01:37:29,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:29,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:29,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:37:29,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:37:29,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-02-10 01:37:29,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-02-10 01:37:29,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:29,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:29,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-02-10 01:37:29,671 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 01:37:29,671 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:37:29,694 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:37:29,694 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {y=0} Honda state: {y=0} Generalized eigenvectors: [{y=4}, {y=3}, {y=-8}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-02-10 01:37:29,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:29,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:29,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:29,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-02-10 01:37:29,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:37:29,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:37:29,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:29,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:29,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:29,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-02-10 01:37:29,719 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 01:37:29,719 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:37:29,741 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:37:29,741 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x=0} Honda state: {x=0} Generalized eigenvectors: [{x=2}, {x=5}, {x=-6}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-02-10 01:37:29,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:29,773 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:37:29,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:37:29,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:37:29,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:37:29,773 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 01:37:29,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:37:29,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:37:29,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-print.bpl_BEv2_Iteration1_Lasso [2024-02-10 01:37:29,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:37:29,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:37:29,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:29,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:29,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:29,828 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:37:29,828 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 01:37:29,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:29,830 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:29,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-02-10 01:37:29,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:37:29,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:37:29,852 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:37:29,852 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {T1Thread1of1ForFork0_thidvar0=0} Honda state: {T1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-10 01:37:29,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:29,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:29,857 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:29,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-02-10 01:37:29,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:37:29,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:37:29,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:29,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:29,900 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:29,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-02-10 01:37:29,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 01:37:29,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:37:29,944 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:37:29,944 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x=0} Honda state: {x=0} Generalized eigenvectors: [{x=2}, {x=5}, {x=-6}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-02-10 01:37:29,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:29,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:29,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:29,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:29,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-02-10 01:37:29,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:37:29,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:37:30,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:30,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:30,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:30,004 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 01:37:30,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 01:37:30,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:37:30,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-02-10 01:37:30,037 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:37:30,037 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {y=0} Honda state: {y=0} Generalized eigenvectors: [{y=4}, {y=3}, {y=-8}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-02-10 01:37:30,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:30,059 INFO L201 PluginConnector]: Adding new model sum-print.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 01:37:30 BoogieIcfgContainer [2024-02-10 01:37:30,059 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 01:37:30,060 INFO L158 Benchmark]: Toolchain (without parser) took 1181.32ms. Allocated memory was 156.2MB in the beginning and 264.2MB in the end (delta: 108.0MB). Free memory was 112.9MB in the beginning and 230.7MB in the end (delta: -117.8MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. [2024-02-10 01:37:30,061 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 156.2MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:37:30,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.59ms. Allocated memory is still 156.2MB. Free memory was 112.9MB in the beginning and 123.6MB in the end (delta: -10.7MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2024-02-10 01:37:30,061 INFO L158 Benchmark]: Boogie Preprocessor took 15.60ms. Allocated memory is still 156.2MB. Free memory was 129.9MB in the beginning and 128.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:37:30,062 INFO L158 Benchmark]: RCFGBuilder took 245.23ms. Allocated memory is still 156.2MB. Free memory was 128.7MB in the beginning and 118.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-02-10 01:37:30,065 INFO L158 Benchmark]: BuchiAutomizer took 849.67ms. Allocated memory was 156.2MB in the beginning and 264.2MB in the end (delta: 108.0MB). Free memory was 118.0MB in the beginning and 230.7MB in the end (delta: -112.6MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2024-02-10 01:37:30,066 INFO L338 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 156.2MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.59ms. Allocated memory is still 156.2MB. Free memory was 112.9MB in the beginning and 123.6MB in the end (delta: -10.7MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.60ms. Allocated memory is still 156.2MB. Free memory was 129.9MB in the beginning and 128.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 245.23ms. Allocated memory is still 156.2MB. Free memory was 128.7MB in the beginning and 118.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 849.67ms. Allocated memory was 156.2MB in the beginning and 264.2MB in the end (delta: 108.0MB). Free memory was 118.0MB in the beginning and 230.7MB in the end (delta: -112.6MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 1 iterations. TraceHistogramMax:0. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq212 hnf100 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 4 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 24]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {x=0, y=0, freshIdentifier7=0} State at position 1 is {x=0, y=0, freshIdentifier8=1} For i>1, the state at position i is {x=0 + sum_{k=0}^i 2 + 5 + -6, y=0 + sum_{k=0}^i 4 + 3 + -8, freshIdentifier9=1 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 6GEVs Lambdas: [1, 1, 1, 1, 1, 1] Mus: [0, 0, 0, 0, 0] - NonterminatingLassoResult [Line: 24]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L62] 0 x := 0; [L63] 0 y := 0; [L65] FORK 0 fork 1 T1(); Loop: [L25] x := x + 1; [L26] y := y - 1; End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-02-10 01:37:30,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...