/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 true --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 00:28:15,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:28:15,220 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 00:28:15,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:28:15,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:28:15,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:28:15,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:28:15,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:28:15,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:28:15,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:28:15,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:28:15,262 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:28:15,263 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:28:15,264 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:28:15,264 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:28:15,264 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:28:15,264 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:28:15,264 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:28:15,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:28:15,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:28:15,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:28:15,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:28:15,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:28:15,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:28:15,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:28:15,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:28:15,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:28:15,267 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:28:15,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:28:15,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:28:15,268 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:28:15,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:28:15,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:28:15,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:28:15,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:28:15,269 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:28:15,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:28:15,270 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:28:15,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 00:28:15,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:28:15,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:28:15,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:28:15,591 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 00:28:15,592 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 00:28:15,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl [2024-02-10 00:28:15,594 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl' [2024-02-10 00:28:15,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:28:15,641 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 00:28:15,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:28:15,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:28:15,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:28:15,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,685 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 00:28:15,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:28:15,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:28:15,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:28:15,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:28:15,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:28:15,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:28:15,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:28:15,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:28:15,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/1) ... [2024-02-10 00:28:15,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:15,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:15,787 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 00:28:15,837 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 00:28:15,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T4 given in one single declaration [2024-02-10 00:28:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure T4 [2024-02-10 00:28:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure T4 [2024-02-10 00:28:15,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 00:28:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:28:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:28:15,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2024-02-10 00:28:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2024-02-10 00:28:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2024-02-10 00:28:15,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T3 given in one single declaration [2024-02-10 00:28:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure T3 [2024-02-10 00:28:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure T3 [2024-02-10 00:28:15,879 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 00:28:15,934 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:28:15,936 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:28:16,093 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:28:16,119 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:28:16,119 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-10 00:28:16,120 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: T2EXIT is neither atomic block end nor error location. [2024-02-10 00:28:16,121 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: T3EXIT is neither atomic block end nor error location. [2024-02-10 00:28:16,122 INFO L201 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:28:16 BoogieIcfgContainer [2024-02-10 00:28:16,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:28:16,124 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:28:16,124 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:28:16,130 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:28:16,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:28:16,132 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:28:15" (1/2) ... [2024-02-10 00:28:16,133 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29c36266 and model type sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:28:16, skipping insertion in model container [2024-02-10 00:28:16,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:28:16,134 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:28:16" (2/2) ... [2024-02-10 00:28:16,144 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum-print2.bpl [2024-02-10 00:28:16,255 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-10 00:28:16,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 32 transitions, 85 flow [2024-02-10 00:28:16,337 INFO L124 PetriNetUnfolderBase]: 4/26 cut-off events. [2024-02-10 00:28:16,338 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-10 00:28:16,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2024-02-10 00:28:16,346 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 32 transitions, 85 flow [2024-02-10 00:28:16,351 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 26 transitions, 70 flow [2024-02-10 00:28:16,359 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:28:16,360 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:28:16,360 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:28:16,360 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:28:16,360 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:28:16,361 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:28:16,361 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:28:16,361 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:28:16,361 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:28:16,362 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 32 places, 26 transitions, 70 flow [2024-02-10 00:28:16,399 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 77 states, 75 states have (on average 2.8133333333333335) internal successors, (211), 76 states have internal predecessors, (211), 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 00:28:16,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 75 states have (on average 2.8133333333333335) internal successors, (211), 76 states have internal predecessors, (211), 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 00:28:16,445 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 58 [2024-02-10 00:28:16,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:28:16,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:28:16,451 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 00:28:16,454 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:28:16,454 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 32 places, 26 transitions, 70 flow [2024-02-10 00:28:16,470 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 77 states, 75 states have (on average 2.8133333333333335) internal successors, (211), 76 states have internal predecessors, (211), 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 00:28:16,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 75 states have (on average 2.8133333333333335) internal successors, (211), 76 states have internal predecessors, (211), 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 00:28:16,481 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 58 [2024-02-10 00:28:16,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:28:16,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:28:16,486 INFO L748 eck$LassoCheckResult]: Stem: Black: 194#[$Ultimate##0]don't care [69] $Ultimate##0-->L72: Formula: (= v_x_1 0) InVars {} OutVars{x=v_x_1} AuxVars[] AssignedVars[x] 197#[L72]don't care [71] L72-->L73: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y] 199#[L73]don't care [70] L73-->L76: Formula: (= v_i_1 0) InVars {} OutVars{i=v_i_1} AuxVars[] AssignedVars[i] 201#[L76]don't care [90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0] 203#[L25, L76-1]don't care [2024-02-10 00:28:16,486 INFO L750 eck$LassoCheckResult]: Loop: 203#[L25, L76-1]don't care [85] L25-->L25: Formula: (and (= (+ v_x_17 (select v_A_9 v_i_21)) v_x_16) (= v_i_20 (+ v_i_21 1)) (< v_i_21 v_N_9)) InVars {A=v_A_9, i=v_i_21, x=v_x_17, N=v_N_9} OutVars{A=v_A_9, i=v_i_20, x=v_x_16, N=v_N_9} AuxVars[] AssignedVars[i, x] 203#[L25, L76-1]don't care [2024-02-10 00:28:16,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:28:16,493 INFO L85 PathProgramCache]: Analyzing trace with hash 3049591, now seen corresponding path program 1 times [2024-02-10 00:28:16,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:28:16,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287251399] [2024-02-10 00:28:16,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:28:16,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:28:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:16,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:28:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:16,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:28:16,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:28:16,634 INFO L85 PathProgramCache]: Analyzing trace with hash 116, now seen corresponding path program 1 times [2024-02-10 00:28:16,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:28:16,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181197142] [2024-02-10 00:28:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:28:16,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:28:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:16,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:28:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:16,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:28:16,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:28:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash 94537406, now seen corresponding path program 1 times [2024-02-10 00:28:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:28:16,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030789135] [2024-02-10 00:28:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:28:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:28:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:16,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:28:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:16,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:28:16,841 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:28:16,842 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:28:16,842 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:28:16,842 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:28:16,842 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:28:16,842 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:16,842 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:28:16,842 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:28:16,842 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_BEv2_Iteration1_Lasso [2024-02-10 00:28:16,842 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:28:16,842 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:28:16,855 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 00:28:16,864 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 00:28:16,867 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 00:28:16,886 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 00:28:17,008 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:28:17,011 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:28:17,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:17,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:17,016 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 00:28:17,121 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 00:28:17,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:17,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:17,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:17,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:17,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:17,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:17,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:17,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:17,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-10 00:28:17,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:17,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:17,163 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 00:28:17,167 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 00:28:17,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:17,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:17,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:17,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:17,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:17,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:17,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:17,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:17,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-02-10 00:28:17,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:17,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:17,207 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 00:28:17,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:17,218 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 00:28:17,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:17,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:17,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:17,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:17,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:17,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:17,277 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:28:17,291 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 00:28:17,292 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 00:28:17,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:17,298 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 00:28:17,300 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 00:28:17,302 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:28:17,321 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:28:17,321 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:28:17,322 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i) = 1*N - 1*i Supporting invariants [] [2024-02-10 00:28:17,331 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 00:28:17,333 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2024-02-10 00:28:17,338 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:28:17,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:28:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:28:17,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:28:17,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:28:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:28:17,456 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:28:17,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:28:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 00:28:17,543 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-02-10 00:28:17,545 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 00:28:17,689 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Result 6 states and 277 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2024-02-10 00:28:17,690 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:28:17,690 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:28:17,691 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 00:28:17,727 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 00:28:17,728 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:28:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-02-10 00:28:17,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 00:28:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-02-10 00:28:17,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 94 transitions. Stem has 4 letters. Loop has 1 letters. [2024-02-10 00:28:17,744 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:28:17,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 94 transitions. Stem has 5 letters. Loop has 1 letters. [2024-02-10 00:28:17,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:28:17,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 94 transitions. Stem has 4 letters. Loop has 2 letters. [2024-02-10 00:28:17,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:28:17,747 INFO L428 stractBuchiCegarLoop]: Abstraction has has 38 places, 223 transitions, 1048 flow [2024-02-10 00:28:17,748 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 00:28:17,748 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:28:17,748 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 38 places, 223 transitions, 1048 flow [2024-02-10 00:28:17,774 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 191 states, 186 states have (on average 4.188172043010753) internal successors, (779), 190 states have internal predecessors, (779), 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 00:28:17,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 186 states have (on average 4.188172043010753) internal successors, (779), 190 states have internal predecessors, (779), 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 00:28:17,789 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 42 [2024-02-10 00:28:17,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:28:17,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:28:17,792 INFO L748 eck$LassoCheckResult]: Stem: Black: 384#[$Ultimate##0]don't care [69] $Ultimate##0-->L72: Formula: (= v_x_1 0) InVars {} OutVars{x=v_x_1} AuxVars[] AssignedVars[x] Black: 387#[L72]don't care [71] L72-->L73: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y] Black: 392#[L73]don't care [70] L73-->L76: Formula: (= v_i_1 0) InVars {} OutVars{i=v_i_1} AuxVars[] AssignedVars[i] Black: 397#[L76]don't care [90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0] Black: 402#[L76-1, L25]don't care [93] L76-1-->L38: Formula: (and (= v_T3Thread1of1ForFork1_thidvar1_2 3) (= v_T3Thread1of1ForFork1_thidvar2_2 3) (= v_T3Thread1of1ForFork1_thidvar0_2 3)) InVars {} OutVars{T3Thread1of1ForFork1_thidvar1=v_T3Thread1of1ForFork1_thidvar1_2, T3Thread1of1ForFork1_thidvar2=v_T3Thread1of1ForFork1_thidvar2_2, T3Thread1of1ForFork1_thidvar0=v_T3Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[T3Thread1of1ForFork1_thidvar1, T3Thread1of1ForFork1_thidvar2, T3Thread1of1ForFork1_thidvar0] 408#[L77, L38, L25]don't care [96] L77-->$Ultimate##0: Formula: (and (= v_T4Thread1of1ForFork2_thidvar1_2 4) (= v_T4Thread1of1ForFork2_thidvar2_2 4) (= v_T4Thread1of1ForFork2_thidvar3_2 4) (= v_T4Thread1of1ForFork2_thidvar0_2 4)) InVars {} OutVars{T4Thread1of1ForFork2_thidvar2=v_T4Thread1of1ForFork2_thidvar2_2, T4Thread1of1ForFork2_thidvar1=v_T4Thread1of1ForFork2_thidvar1_2, T4Thread1of1ForFork2_thidvar3=v_T4Thread1of1ForFork2_thidvar3_2, T4Thread1of1ForFork2_thidvar0=v_T4Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[T4Thread1of1ForFork2_thidvar2, T4Thread1of1ForFork2_thidvar1, T4Thread1of1ForFork2_thidvar3, T4Thread1of1ForFork2_thidvar0] 426#[L78, L38, L25, $Ultimate##0]don't care [74] $Ultimate##0-->L54-2: Formula: (= v_k_1 0) InVars {} OutVars{k=v_k_1} AuxVars[] AssignedVars[k] 452#[L78, L38, L54-2, L25]don't care [2024-02-10 00:28:17,793 INFO L750 eck$LassoCheckResult]: Loop: 452#[L78, L38, L54-2, L25]don't care [76] L54-2-->L52: Formula: (< v_k_3 v_N_2) InVars {k=v_k_3, N=v_N_2} OutVars{k=v_k_3, N=v_N_2} AuxVars[] AssignedVars[] 486#[L78, L38, L52, L25]don't care [78] L52-->L53: Formula: (= (+ v_y_2 (select v_A_1 v_k_4)) v_y_1) InVars {A=v_A_1, y=v_y_2, k=v_k_4} OutVars{A=v_A_1, y=v_y_1, k=v_k_4} AuxVars[] AssignedVars[y] 548#[L78, L53, L38, L25]don't care [79] L53-->L54: Formula: (= (+ v_k_6 1) v_k_5) InVars {k=v_k_6} OutVars{k=v_k_5} AuxVars[] AssignedVars[k] 632#[L78, L38, L25, L54]don't care [81] L54-->L54-2: Formula: (<= v_N_4 v_k_11) InVars {k=v_k_11, N=v_N_4} OutVars{k=v_k_11, N=v_N_4} AuxVars[] AssignedVars[] 452#[L78, L38, L54-2, L25]don't care [2024-02-10 00:28:17,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:28:17,794 INFO L85 PathProgramCache]: Analyzing trace with hash 656144688, now seen corresponding path program 1 times [2024-02-10 00:28:17,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:28:17,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526429749] [2024-02-10 00:28:17,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:28:17,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:28:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:17,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:28:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:17,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:28:17,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:28:17,811 INFO L85 PathProgramCache]: Analyzing trace with hash 3265125, now seen corresponding path program 1 times [2024-02-10 00:28:17,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:28:17,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379955773] [2024-02-10 00:28:17,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:28:17,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:28:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:17,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:28:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:17,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:28:17,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:28:17,835 INFO L85 PathProgramCache]: Analyzing trace with hash -650142700, now seen corresponding path program 1 times [2024-02-10 00:28:17,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:28:17,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097449150] [2024-02-10 00:28:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:28:17,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:28:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:17,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:28:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:28:17,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:28:18,095 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:28:18,095 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:28:18,095 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:28:18,095 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:28:18,096 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:28:18,096 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,096 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:28:18,096 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:28:18,096 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_BEv2_Iteration2_Lasso [2024-02-10 00:28:18,096 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:28:18,096 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:28:18,098 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 00:28:18,101 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 00:28:18,104 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 00:28:18,121 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 00:28:18,125 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 00:28:18,130 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 00:28:18,132 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 00:28:18,135 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 00:28:18,137 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 00:28:18,140 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 00:28:18,142 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 00:28:18,147 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 00:28:18,263 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:28:18,263 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:28:18,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,265 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 00:28:18,268 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 00:28:18,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,296 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 00:28:18,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,298 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 00:28:18,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,316 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 00:28:18,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,335 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 00:28:18,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,336 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 00:28:18,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,352 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 00:28:18,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,372 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 00:28:18,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,381 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 00:28:18,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,393 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 00:28:18,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-02-10 00:28:18,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,427 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 00:28:18,445 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 00:28:18,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,495 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 00:28:18,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,513 INFO L229 MonitoredProcess]: Starting monitored process 11 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 00:28:18,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-02-10 00:28:18,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-02-10 00:28:18,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,569 INFO L229 MonitoredProcess]: Starting monitored process 12 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 00:28:18,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-02-10 00:28:18,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-02-10 00:28:18,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,616 INFO L229 MonitoredProcess]: Starting monitored process 13 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 00:28:18,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-02-10 00:28:18,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-02-10 00:28:18,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,661 INFO L229 MonitoredProcess]: Starting monitored process 14 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 00:28:18,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-02-10 00:28:18,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-02-10 00:28:18,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,715 INFO L229 MonitoredProcess]: Starting monitored process 15 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 00:28:18,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-02-10 00:28:18,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-02-10 00:28:18,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,769 INFO L229 MonitoredProcess]: Starting monitored process 16 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 00:28:18,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-02-10 00:28:18,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:28:18,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-02-10 00:28:18,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,805 INFO L229 MonitoredProcess]: Starting monitored process 17 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 00:28:18,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:28:18,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:28:18,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:28:18,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:28:18,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:28:18,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:28:18,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:28:18,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-02-10 00:28:18,831 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:28:18,837 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 00:28:18,837 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-02-10 00:28:18,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:28:18,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:28:18,857 INFO L229 MonitoredProcess]: Starting monitored process 18 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 00:28:18,864 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:28:18,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-02-10 00:28:18,882 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:28:18,882 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:28:18,882 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2024-02-10 00:28:18,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-02-10 00:28:18,895 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:28:18,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:28:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:28:18,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:28:18,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:28:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:28:18,929 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:28:18,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:28:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 00:28:19,009 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-02-10 00:28:19,010 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 00:28:19,149 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Result 9 states and 401 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:28:19,150 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:28:19,150 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:28:19,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 401 transitions. [2024-02-10 00:28:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 401 transitions. [2024-02-10 00:28:19,156 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:28:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 401 transitions. [2024-02-10 00:28:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 401 transitions. [2024-02-10 00:28:19,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-02-10 00:28:19,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-02-10 00:28:19,313 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:28:19,314 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:28:19,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-10 00:28:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 00:28:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 157 transitions. [2024-02-10 00:28:19,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 157 transitions. Stem has 7 letters. Loop has 4 letters. [2024-02-10 00:28:19,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:28:19,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 157 transitions. Stem has 11 letters. Loop has 4 letters. [2024-02-10 00:28:19,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:28:19,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 157 transitions. Stem has 7 letters. Loop has 8 letters. [2024-02-10 00:28:19,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:28:19,316 INFO L428 stractBuchiCegarLoop]: Abstraction has has 51 places, 3593 transitions, 24210 flow [2024-02-10 00:28:19,316 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 00:28:19,316 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:28:19,316 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 51 places, 3593 transitions, 24210 flow [2024-02-10 00:28:19,583 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 478 states, 456 states have (on average 5.557017543859649) internal successors, (2534), 477 states have internal predecessors, (2534), 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 00:28:19,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 478 states, 456 states have (on average 5.557017543859649) internal successors, (2534), 477 states have internal predecessors, (2534), 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 00:28:19,615 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-10 00:28:19,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-10 00:28:19,627 INFO L201 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 12:28:19 BoogieIcfgContainer [2024-02-10 00:28:19,627 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 00:28:19,628 INFO L158 Benchmark]: Toolchain (without parser) took 3986.16ms. Allocated memory was 186.6MB in the beginning and 352.3MB in the end (delta: 165.7MB). Free memory was 148.6MB in the beginning and 199.7MB in the end (delta: -51.1MB). Peak memory consumption was 203.3MB. Max. memory is 8.0GB. [2024-02-10 00:28:19,628 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 186.6MB. Free memory is still 149.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:28:19,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.90ms. Allocated memory is still 186.6MB. Free memory was 148.5MB in the beginning and 160.3MB in the end (delta: -11.8MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2024-02-10 00:28:19,633 INFO L158 Benchmark]: Boogie Preprocessor took 42.05ms. Allocated memory is still 186.6MB. Free memory was 160.3MB in the beginning and 159.3MB in the end (delta: 973.5kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-02-10 00:28:19,633 INFO L158 Benchmark]: RCFGBuilder took 391.20ms. Allocated memory is still 186.6MB. Free memory was 159.2MB in the beginning and 148.7MB in the end (delta: 10.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-10 00:28:19,634 INFO L158 Benchmark]: BuchiAutomizer took 3503.09ms. Allocated memory was 186.6MB in the beginning and 352.3MB in the end (delta: 165.7MB). Free memory was 148.5MB in the beginning and 199.7MB in the end (delta: -51.1MB). Peak memory consumption was 202.8MB. Max. memory is 8.0GB. [2024-02-10 00:28:19,636 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 0.19ms. Allocated memory is still 186.6MB. Free memory is still 149.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.90ms. Allocated memory is still 186.6MB. Free memory was 148.5MB in the beginning and 160.3MB in the end (delta: -11.8MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.05ms. Allocated memory is still 186.6MB. Free memory was 160.3MB in the beginning and 159.3MB in the end (delta: 973.5kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 391.20ms. Allocated memory is still 186.6MB. Free memory was 159.2MB in the beginning and 148.7MB in the end (delta: 10.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 3503.09ms. Allocated memory was 186.6MB in the beginning and 352.3MB in the end (delta: 165.7MB). Free memory was 148.5MB in the beginning and 199.7MB in the end (delta: -51.1MB). Peak memory consumption was 202.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 1. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 94 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital47 mio100 ax100 hnf100 lsp59 ukn92 mio100 lsp63 div100 bol100 ite100 ukn100 eq165 hnf96 smp90 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 140ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-10 00:28:19,661 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...