/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 -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:54:16,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:54:16,909 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:54:16,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:54:16,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:54:16,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:54:16,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:54:16,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:54:16,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:54:16,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:54:16,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:54:16,953 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:54:16,953 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:54:16,954 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:54:16,955 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:54:16,955 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:54:16,955 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:54:16,955 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:54:16,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:54:16,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:54:16,956 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:54:16,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:54:16,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:54:16,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:54:16,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:54:16,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:54:16,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:54:16,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:54:16,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:54:16,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:54:16,958 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:54:16,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:54:16,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:54:16,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:54:16,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:54:16,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:54:16,959 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:54:16,959 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:54:16,960 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2024-02-09 23:54:17,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:54:17,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:54:17,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:54:17,205 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:54:17,206 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:54:17,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl [2024-02-09 23:54:17,208 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl' [2024-02-09 23:54:17,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:54:17,237 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:54:17,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:54:17,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:54:17,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:54:17,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,297 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:54:17,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:54:17,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:54:17,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:54:17,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:54:17,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:54:17,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:54:17,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:54:17,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:54:17,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/1) ... [2024-02-09 23:54:17,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:17,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:17,455 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) [2024-02-09 23:54:17,462 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 [2024-02-09 23:54:17,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2024-02-09 23:54:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2024-02-09 23:54:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2024-02-09 23:54:17,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2024-02-09 23:54:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2024-02-09 23:54:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2024-02-09 23:54:17,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2024-02-09 23:54:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2024-02-09 23:54:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2024-02-09 23:54:17,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:54:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:54:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:54:17,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2024-02-09 23:54:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2024-02-09 23:54:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2024-02-09 23:54:17,503 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:54:17,544 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:54:17,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:54:17,635 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:54:17,640 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:54:17,641 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:54:17,642 INFO L201 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:54:17 BoogieIcfgContainer [2024-02-09 23:54:17,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:54:17,643 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:54:17,643 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:54:17,646 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:54:17,646 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:54:17,646 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:54:17" (1/2) ... [2024-02-09 23:54:17,647 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50599288 and model type sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:54:17, skipping insertion in model container [2024-02-09 23:54:17,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:54:17,648 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:54:17" (2/2) ... [2024-02-09 23:54:17,649 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsumsampleabs2.bpl [2024-02-09 23:54:17,735 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-09 23:54:17,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 40 transitions, 102 flow [2024-02-09 23:54:17,772 INFO L124 PetriNetUnfolderBase]: 3/32 cut-off events. [2024-02-09 23:54:17,772 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-09 23:54:17,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2024-02-09 23:54:17,776 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 40 transitions, 102 flow [2024-02-09 23:54:17,779 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 32 transitions, 82 flow [2024-02-09 23:54:17,784 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:54:17,784 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:54:17,784 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:54:17,784 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:54:17,785 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:54:17,785 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:54:17,785 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:54:17,785 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-09 23:54:17,785 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 42 places, 32 transitions, 82 flow [2024-02-09 23:54:17,791 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:54:17,791 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-02-09 23:54:17,791 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-09 23:54:17,791 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:54:17,794 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:54:17,794 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 42 places, 32 transitions, 82 flow [2024-02-09 23:54:17,797 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:54:17,797 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-02-09 23:54:17,797 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-09 23:54:17,797 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:54:17,801 INFO L748 eck$LassoCheckResult]: Stem: 50#[$Ultimate##0]true [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[$Ultimate##0, L68]true [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[$Ultimate##0, $Ultimate##0, L69]true [76] $Ultimate##0-->L22: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1] 56#[$Ultimate##0, L69, L22]true [77] L22-->L23-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1] 58#[L23-1, $Ultimate##0, L69]true [2024-02-09 23:54:17,802 INFO L750 eck$LassoCheckResult]: Loop: 58#[L23-1, $Ultimate##0, L69]true [79] L23-1-->L24: Formula: (< v_i1_2 v_N_1) InVars {i1=v_i1_2, N=v_N_1} OutVars{i1=v_i1_2, N=v_N_1} AuxVars[] AssignedVars[] 61#[$Ultimate##0, L69, L24]true [81] L24-->L25: Formula: (= (+ v_sum1_3 (let ((.cse0 (select v_A_1 v_i1_3))) (ite (< .cse0 0) (- .cse0) .cse0))) v_sum1_2) InVars {sum1=v_sum1_3, A=v_A_1, i1=v_i1_3} OutVars{sum1=v_sum1_2, A=v_A_1, i1=v_i1_3} AuxVars[] AssignedVars[sum1] 63#[L25, $Ultimate##0, L69]true [82] L25-->L23-1: Formula: (= v_i1_4 (+ v_i1_5 1)) InVars {i1=v_i1_5} OutVars{i1=v_i1_4} AuxVars[] AssignedVars[i1] 58#[L23-1, $Ultimate##0, L69]true [2024-02-09 23:54:17,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:17,806 INFO L85 PathProgramCache]: Analyzing trace with hash 4034789, now seen corresponding path program 1 times [2024-02-09 23:54:17,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:54:17,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200657089] [2024-02-09 23:54:17,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:54:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:54:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:17,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:54:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:17,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:54:17,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:17,888 INFO L85 PathProgramCache]: Analyzing trace with hash 108303, now seen corresponding path program 1 times [2024-02-09 23:54:17,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:54:17,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620684178] [2024-02-09 23:54:17,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:54:17,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:54:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:17,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:54:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:17,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:54:17,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:17,908 INFO L85 PathProgramCache]: Analyzing trace with hash -58606677, now seen corresponding path program 1 times [2024-02-09 23:54:17,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:54:17,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164591525] [2024-02-09 23:54:17,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:54:17,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:54:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:17,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:54:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:17,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:54:18,066 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:54:18,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:54:18,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:54:18,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:54:18,067 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:54:18,067 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:18,067 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:54:18,067 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:54:18,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:54:18,067 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:54:18,067 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:54:18,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:18,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:18,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:18,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:18,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:18,256 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:54:18,259 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:54:18,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:18,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:18,297 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) [2024-02-09 23:54:18,303 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 [2024-02-09 23:54:18,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:18,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:18,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:18,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:18,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:18,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:18,304 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 [2024-02-09 23:54:18,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:18,329 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 [2024-02-09 23:54:18,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:18,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:18,345 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) [2024-02-09 23:54:18,350 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 [2024-02-09 23:54:18,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:18,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:18,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:18,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:18,360 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 [2024-02-09 23:54:18,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:18,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:18,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:18,400 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 [2024-02-09 23:54:18,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:18,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:18,415 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) [2024-02-09 23:54:18,417 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 [2024-02-09 23:54:18,418 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 [2024-02-09 23:54:18,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:18,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:54:18,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:18,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:18,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:18,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:54:18,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:54:18,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:18,440 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 [2024-02-09 23:54:18,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:18,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:18,449 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) [2024-02-09 23:54:18,453 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 [2024-02-09 23:54:18,454 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 [2024-02-09 23:54:18,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:18,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:18,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:18,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:18,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:18,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:18,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:18,474 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 [2024-02-09 23:54:18,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:18,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:18,475 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) [2024-02-09 23:54:18,480 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 [2024-02-09 23:54:18,481 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 [2024-02-09 23:54:18,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:18,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:18,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:18,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:18,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:18,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:18,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:54:18,513 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 23:54:18,513 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-09 23:54:18,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:18,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:18,529 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) [2024-02-09 23:54:18,544 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 [2024-02-09 23:54:18,545 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:54:18,570 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:54:18,570 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:54:18,571 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 1*N Supporting invariants [] [2024-02-09 23:54:18,579 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 [2024-02-09 23:54:18,582 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:54:18,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:54:18,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:54:18,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:54:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:54:18,631 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:54:18,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:54:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:54:18,691 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-02-09 23:54:18,694 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-02-09 23:54:18,839 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 509 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:54:18,840 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:54:18,840 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:54:18,846 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:54:18,846 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:54:18,860 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 [2024-02-09 23:54:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-02-09 23:54:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 197 transitions. [2024-02-09 23:54:18,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 197 transitions. Stem has 4 letters. Loop has 3 letters. [2024-02-09 23:54:18,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:54:18,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 197 transitions. Stem has 7 letters. Loop has 3 letters. [2024-02-09 23:54:18,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:54:18,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 197 transitions. Stem has 4 letters. Loop has 6 letters. [2024-02-09 23:54:18,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:54:18,869 INFO L428 stractBuchiCegarLoop]: Abstraction has has 60 places, 810 transitions, 3708 flow [2024-02-09 23:54:18,869 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:54:18,869 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 places, 810 transitions, 3708 flow [2024-02-09 23:54:18,974 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:54:18,974 INFO L124 PetriNetUnfolderBase]: 597/796 cut-off events. [2024-02-09 23:54:18,974 INFO L125 PetriNetUnfolderBase]: For 108/108 co-relation queries the response was YES. [2024-02-09 23:54:18,975 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:54:18,975 INFO L748 eck$LassoCheckResult]: Stem: 50#[$Ultimate##0]true [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[$Ultimate##0, L68]true [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[$Ultimate##0, $Ultimate##0, L69]true [107] L69-->$Ultimate##0: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 133#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L70]true [110] L70-->$Ultimate##0: Formula: (and (= v_mapAbsThread1of1ForFork3_thidvar2_2 4) (= v_mapAbsThread1of1ForFork3_thidvar1_2 4) (= v_mapAbsThread1of1ForFork3_thidvar0_2 4) (= v_mapAbsThread1of1ForFork3_thidvar3_2 4)) InVars {} OutVars{mapAbsThread1of1ForFork3_thidvar3=v_mapAbsThread1of1ForFork3_thidvar3_2, mapAbsThread1of1ForFork3_thidvar2=v_mapAbsThread1of1ForFork3_thidvar2_2, mapAbsThread1of1ForFork3_thidvar1=v_mapAbsThread1of1ForFork3_thidvar1_2, mapAbsThread1of1ForFork3_thidvar0=v_mapAbsThread1of1ForFork3_thidvar0_2, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_14} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_thidvar3, mapAbsThread1of1ForFork3_thidvar2, mapAbsThread1of1ForFork3_thidvar1, mapAbsThread1of1ForFork3_thidvar0, mapAbsThread1of1ForFork3_j] 135#[$Ultimate##0, $Ultimate##0, L71, $Ultimate##0, $Ultimate##0]true [93] $Ultimate##0-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_1 0) InVars {} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_1} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 137#[$Ultimate##0, L57-1, $Ultimate##0, L71, $Ultimate##0]true [95] L57-1-->L58: Formula: (< v_mapAbsThread1of1ForFork3_j_5 v_N_5) InVars {mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_5, N=v_N_5} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_5, N=v_N_5} AuxVars[] AssignedVars[] 139#[L58, $Ultimate##0, $Ultimate##0, L71, $Ultimate##0]true [97] L58-->L59: Formula: (= (store v_A_4 v_mapAbsThread1of1ForFork3_j_7 (let ((.cse0 (select v_A_4 v_mapAbsThread1of1ForFork3_j_7))) (ite (< .cse0 0) (- .cse0) .cse0))) v_A_3) InVars {A=v_A_4, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_7} OutVars{A=v_A_3, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_7} AuxVars[] AssignedVars[A] 141#[$Ultimate##0, L59, $Ultimate##0, L71, $Ultimate##0]true [98] L59-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_10 (+ v_mapAbsThread1of1ForFork3_j_9 1)) InVars {mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_9} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_10} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 137#[$Ultimate##0, L57-1, $Ultimate##0, L71, $Ultimate##0]true [2024-02-09 23:54:18,975 INFO L750 eck$LassoCheckResult]: Loop: 137#[$Ultimate##0, L57-1, $Ultimate##0, L71, $Ultimate##0]true [95] L57-1-->L58: Formula: (< v_mapAbsThread1of1ForFork3_j_5 v_N_5) InVars {mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_5, N=v_N_5} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_5, N=v_N_5} AuxVars[] AssignedVars[] 139#[L58, $Ultimate##0, $Ultimate##0, L71, $Ultimate##0]true [97] L58-->L59: Formula: (= (store v_A_4 v_mapAbsThread1of1ForFork3_j_7 (let ((.cse0 (select v_A_4 v_mapAbsThread1of1ForFork3_j_7))) (ite (< .cse0 0) (- .cse0) .cse0))) v_A_3) InVars {A=v_A_4, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_7} OutVars{A=v_A_3, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_7} AuxVars[] AssignedVars[A] 141#[$Ultimate##0, L59, $Ultimate##0, L71, $Ultimate##0]true [98] L59-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_10 (+ v_mapAbsThread1of1ForFork3_j_9 1)) InVars {mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_9} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_10} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 137#[$Ultimate##0, L57-1, $Ultimate##0, L71, $Ultimate##0]true [95] L57-1-->L58: Formula: (< v_mapAbsThread1of1ForFork3_j_5 v_N_5) InVars {mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_5, N=v_N_5} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_5, N=v_N_5} AuxVars[] AssignedVars[] 139#[L58, $Ultimate##0, $Ultimate##0, L71, $Ultimate##0]true [97] L58-->L59: Formula: (= (store v_A_4 v_mapAbsThread1of1ForFork3_j_7 (let ((.cse0 (select v_A_4 v_mapAbsThread1of1ForFork3_j_7))) (ite (< .cse0 0) (- .cse0) .cse0))) v_A_3) InVars {A=v_A_4, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_7} OutVars{A=v_A_3, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_7} AuxVars[] AssignedVars[A] 141#[$Ultimate##0, L59, $Ultimate##0, L71, $Ultimate##0]true [98] L59-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_10 (+ v_mapAbsThread1of1ForFork3_j_9 1)) InVars {mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_9} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_10} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 137#[$Ultimate##0, L57-1, $Ultimate##0, L71, $Ultimate##0]true [2024-02-09 23:54:18,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:18,976 INFO L85 PathProgramCache]: Analyzing trace with hash -898396022, now seen corresponding path program 1 times [2024-02-09 23:54:18,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:54:18,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139292843] [2024-02-09 23:54:18,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:54:18,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:54:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:18,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:54:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:19,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:54:19,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:19,006 INFO L85 PathProgramCache]: Analyzing trace with hash -595098815, now seen corresponding path program 1 times [2024-02-09 23:54:19,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:54:19,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294211652] [2024-02-09 23:54:19,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:54:19,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:54:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:19,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:54:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:19,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:54:19,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:19,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1790654198, now seen corresponding path program 2 times [2024-02-09 23:54:19,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:54:19,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143076631] [2024-02-09 23:54:19,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:54:19,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:54:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:19,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:54:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:19,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:54:19,292 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:54:19,292 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:54:19,292 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:54:19,292 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:54:19,292 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:54:19,292 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:19,293 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:54:19,293 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:54:19,293 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:54:19,293 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:54:19,293 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:54:19,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:19,661 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:54:19,662 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:54:19,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:19,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:19,663 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) [2024-02-09 23:54:19,671 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 [2024-02-09 23:54:19,671 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 [2024-02-09 23:54:19,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:19,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:19,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:19,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:19,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:19,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:19,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:19,720 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 [2024-02-09 23:54:19,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:19,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:19,722 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) [2024-02-09 23:54:19,726 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 [2024-02-09 23:54:19,730 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 [2024-02-09 23:54:19,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:19,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:19,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:19,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:19,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:19,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:19,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:19,764 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 [2024-02-09 23:54:19,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:19,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:19,765 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) [2024-02-09 23:54:19,783 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 [2024-02-09 23:54:19,799 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 [2024-02-09 23:54:19,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:19,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:19,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:19,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:19,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:19,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:19,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:19,827 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 [2024-02-09 23:54:19,827 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 [2024-02-09 23:54:19,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:19,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:19,836 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) [2024-02-09 23:54:19,844 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 [2024-02-09 23:54:19,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:19,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:19,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:19,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:19,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:19,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:19,855 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 [2024-02-09 23:54:19,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:19,881 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 [2024-02-09 23:54:19,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:19,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:19,883 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) [2024-02-09 23:54:19,887 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 [2024-02-09 23:54:19,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:19,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:19,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:19,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:19,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:19,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:19,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:19,899 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 [2024-02-09 23:54:19,915 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 [2024-02-09 23:54:19,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:19,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:19,917 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) [2024-02-09 23:54:19,934 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 [2024-02-09 23:54:19,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:19,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:19,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:19,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:19,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:19,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:19,944 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 [2024-02-09 23:54:19,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:19,961 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 [2024-02-09 23:54:19,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:19,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:19,977 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) [2024-02-09 23:54:20,013 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 [2024-02-09 23:54:20,013 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 [2024-02-09 23:54:20,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:20,027 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-02-09 23:54:20,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:20,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:20,029 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-02-09 23:54:20,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:20,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:20,050 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 [2024-02-09 23:54:20,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:20,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:20,065 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) [2024-02-09 23:54:20,070 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 [2024-02-09 23:54:20,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:20,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:54:20,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:20,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:20,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:20,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:54:20,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:54:20,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:20,092 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 [2024-02-09 23:54:20,113 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 [2024-02-09 23:54:20,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:20,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:20,125 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) [2024-02-09 23:54:20,127 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 [2024-02-09 23:54:20,128 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 [2024-02-09 23:54:20,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:20,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:20,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:20,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:20,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:20,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:20,160 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:54:20,166 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-02-09 23:54:20,166 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-02-09 23:54:20,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:20,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:20,177 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) [2024-02-09 23:54:20,197 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 [2024-02-09 23:54:20,197 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:54:20,207 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:54:20,207 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:54:20,207 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mapAbsThread1of1ForFork3_j, N) = -1*mapAbsThread1of1ForFork3_j + 1*N Supporting invariants [] [2024-02-09 23:54:20,218 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 [2024-02-09 23:54:20,222 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 23:54:20,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:54:20,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:54:20,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:54:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:54:20,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-09 23:54:20,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:54:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:54:20,280 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 [2024-02-09 23:54:20,281 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2024-02-09 23:54:20,374 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 8 states and 466 transitions.5 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:54:20,374 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:54:20,374 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:54:20,442 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:54:20,442 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:54:20,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:54:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2024-02-09 23:54:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 154 transitions. [2024-02-09 23:54:20,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 154 transitions. Stem has 8 letters. Loop has 6 letters. [2024-02-09 23:54:20,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:54:20,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 154 transitions. Stem has 14 letters. Loop has 6 letters. [2024-02-09 23:54:20,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:54:20,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 154 transitions. Stem has 8 letters. Loop has 12 letters. [2024-02-09 23:54:20,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:54:20,444 INFO L428 stractBuchiCegarLoop]: Abstraction has has 76 places, 18712 transitions, 122724 flow [2024-02-09 23:54:20,445 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:54:20,445 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 places, 18712 transitions, 122724 flow [2024-02-09 23:54:20,838 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 [2024-02-09 23:54:22,037 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:54:22,037 INFO L124 PetriNetUnfolderBase]: 7454/8874 cut-off events. [2024-02-09 23:54:22,037 INFO L125 PetriNetUnfolderBase]: For 699/699 co-relation queries the response was YES. [2024-02-09 23:54:22,037 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:54:22,038 INFO L748 eck$LassoCheckResult]: Stem: 50#[$Ultimate##0]true [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[$Ultimate##0, L68]true [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[$Ultimate##0, $Ultimate##0, L69]true [107] L69-->$Ultimate##0: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 133#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L70]true [83] $Ultimate##0-->L34: Formula: (= v_sum2_3 0) InVars {} OutVars{sum2=v_sum2_3} AuxVars[] AssignedVars[sum2] 234#[$Ultimate##0, $Ultimate##0, L34, L70]true [84] L34-->L35-1: Formula: (= v_i2_6 0) InVars {} OutVars{i2=v_i2_6} AuxVars[] AssignedVars[i2] 236#[$Ultimate##0, $Ultimate##0, L35-1, L70]true [86] L35-1-->L36: Formula: (< v_i2_1 v_N_3) InVars {i2=v_i2_1, N=v_N_3} OutVars{i2=v_i2_1, N=v_N_3} AuxVars[] AssignedVars[] 238#[$Ultimate##0, $Ultimate##0, L36, L70]true [88] L36-->L37: Formula: (= (+ (let ((.cse0 (select v_A_2 v_i2_2))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum2_2) v_sum2_1) InVars {A=v_A_2, sum2=v_sum2_2, i2=v_i2_2} OutVars{A=v_A_2, sum2=v_sum2_1, i2=v_i2_2} AuxVars[] AssignedVars[sum2] 240#[$Ultimate##0, L37, $Ultimate##0, L70]true [90] $Ultimate##0-->L46: Formula: (= v_B_1 (store v_B_2 (+ (- 1) v_i1_7) v_sum1_4)) InVars {sum1=v_sum1_4, i1=v_i1_7, B=v_B_2} OutVars{sum1=v_sum1_4, i1=v_i1_7, B=v_B_1} AuxVars[] AssignedVars[B] 242#[$Ultimate##0, L37, L46, L70]true [89] L37-->L35-1: Formula: (= (+ v_i2_4 1) v_i2_3) InVars {i2=v_i2_4} OutVars{i2=v_i2_3} AuxVars[] AssignedVars[i2] 244#[$Ultimate##0, L35-1, L46, L70]true [2024-02-09 23:54:22,038 INFO L750 eck$LassoCheckResult]: Loop: 244#[$Ultimate##0, L35-1, L46, L70]true [86] L35-1-->L36: Formula: (< v_i2_1 v_N_3) InVars {i2=v_i2_1, N=v_N_3} OutVars{i2=v_i2_1, N=v_N_3} AuxVars[] AssignedVars[] 247#[$Ultimate##0, L46, L36, L70]true [88] L36-->L37: Formula: (= (+ (let ((.cse0 (select v_A_2 v_i2_2))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum2_2) v_sum2_1) InVars {A=v_A_2, sum2=v_sum2_2, i2=v_i2_2} OutVars{A=v_A_2, sum2=v_sum2_1, i2=v_i2_2} AuxVars[] AssignedVars[sum2] 242#[$Ultimate##0, L37, L46, L70]true [89] L37-->L35-1: Formula: (= (+ v_i2_4 1) v_i2_3) InVars {i2=v_i2_4} OutVars{i2=v_i2_3} AuxVars[] AssignedVars[i2] 244#[$Ultimate##0, L35-1, L46, L70]true [86] L35-1-->L36: Formula: (< v_i2_1 v_N_3) InVars {i2=v_i2_1, N=v_N_3} OutVars{i2=v_i2_1, N=v_N_3} AuxVars[] AssignedVars[] 247#[$Ultimate##0, L46, L36, L70]true [88] L36-->L37: Formula: (= (+ (let ((.cse0 (select v_A_2 v_i2_2))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum2_2) v_sum2_1) InVars {A=v_A_2, sum2=v_sum2_2, i2=v_i2_2} OutVars{A=v_A_2, sum2=v_sum2_1, i2=v_i2_2} AuxVars[] AssignedVars[sum2] 242#[$Ultimate##0, L37, L46, L70]true [89] L37-->L35-1: Formula: (= (+ v_i2_4 1) v_i2_3) InVars {i2=v_i2_4} OutVars{i2=v_i2_3} AuxVars[] AssignedVars[i2] 244#[$Ultimate##0, L35-1, L46, L70]true [2024-02-09 23:54:22,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:22,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1432918697, now seen corresponding path program 1 times [2024-02-09 23:54:22,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:54:22,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877018464] [2024-02-09 23:54:22,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:54:22,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:54:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:22,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:54:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:22,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:54:22,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:22,050 INFO L85 PathProgramCache]: Analyzing trace with hash -861349919, now seen corresponding path program 1 times [2024-02-09 23:54:22,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:54:22,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543542289] [2024-02-09 23:54:22,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:54:22,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:54:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:22,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:54:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:22,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:54:22,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:22,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1429416823, now seen corresponding path program 2 times [2024-02-09 23:54:22,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:54:22,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991909325] [2024-02-09 23:54:22,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:54:22,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:54:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:22,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:54:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:54:22,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:54:22,224 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:54:22,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:54:22,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:54:22,224 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:54:22,224 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:54:22,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:54:22,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:54:22,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration3_Lasso [2024-02-09 23:54:22,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:54:22,225 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:54:22,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:54:22,556 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:54:22,556 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:54:22,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,557 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) [2024-02-09 23:54:22,573 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 [2024-02-09 23:54:22,573 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 [2024-02-09 23:54:22,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:22,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:22,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:22,602 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 [2024-02-09 23:54:22,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,604 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2024-02-09 23:54:22,627 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 [2024-02-09 23:54:22,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:22,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:22,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-02-09 23:54:22,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:22,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-02-09 23:54:22,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,663 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2024-02-09 23:54:22,670 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 [2024-02-09 23:54:22,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:22,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:22,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-02-09 23:54:22,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:22,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-02-09 23:54:22,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,695 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2024-02-09 23:54:22,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-02-09 23:54:22,698 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 [2024-02-09 23:54:22,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:22,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:22,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:22,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-02-09 23:54:22,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,721 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2024-02-09 23:54:22,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-02-09 23:54:22,724 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 [2024-02-09 23:54:22,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:22,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:22,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:22,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-02-09 23:54:22,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,761 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2024-02-09 23:54:22,764 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 [2024-02-09 23:54:22,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:54:22,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:54:22,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:54:22,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-02-09 23:54:22,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:22,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-02-09 23:54:22,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,780 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2024-02-09 23:54:22,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-02-09 23:54:22,783 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 [2024-02-09 23:54:22,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:22,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:22,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:22,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-02-09 23:54:22,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,796 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2024-02-09 23:54:22,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-02-09 23:54:22,798 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 [2024-02-09 23:54:22,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:54:22,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:54:22,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:54:22,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:22,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-02-09 23:54:22,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,809 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2024-02-09 23:54:22,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-02-09 23:54:22,811 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 [2024-02-09 23:54:22,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:22,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:22,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:54:22,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-02-09 23:54:22,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,828 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2024-02-09 23:54:22,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-02-09 23:54:22,831 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 [2024-02-09 23:54:22,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:54:22,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:54:22,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:54:22,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:54:22,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:54:22,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:54:22,844 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:54:22,853 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-02-09 23:54:22,854 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-02-09 23:54:22,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:54:22,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:54:22,859 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2024-02-09 23:54:22,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-02-09 23:54:22,862 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:54:22,878 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:54:22,879 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:54:22,879 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 1*N Supporting invariants [] [2024-02-09 23:54:22,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-02-09 23:54:22,888 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 23:54:22,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:54:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:54:22,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:54:22,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:54:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:54:22,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-09 23:54:22,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:54:22,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:54:22,949 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 [2024-02-09 23:54:22,949 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-02-09 23:54:23,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-02-09 23:54:23,083 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 8 states and 471 transitions.5 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:54:23,083 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:54:23,083 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:54:26,485 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:54:26,485 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:54:26,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:54:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-02-09 23:54:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 157 transitions. [2024-02-09 23:54:26,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 157 transitions. Stem has 9 letters. Loop has 6 letters. [2024-02-09 23:54:26,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:54:26,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 157 transitions. Stem has 15 letters. Loop has 6 letters. [2024-02-09 23:54:26,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:54:26,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 157 transitions. Stem has 9 letters. Loop has 12 letters. [2024-02-09 23:54:26,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:54:26,488 INFO L428 stractBuchiCegarLoop]: Abstraction has has 92 places, 437856 transitions, 3753696 flow [2024-02-09 23:54:26,488 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-09 23:54:26,488 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 92 places, 437856 transitions, 3753696 flow