/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:23:23,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:23:23,622 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-04-26 16:23:23,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:23:23,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:23:23,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:23:23,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:23:23,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:23:23,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:23:23,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:23:23,644 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:23:23,644 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:23:23,644 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:23:23,644 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:23:23,644 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:23:23,644 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:23:23,644 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:23:23,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:23:23,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:23:23,644 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:23:23,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:23:23,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:23:23,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:23:23,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:23:23,647 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:23:23,647 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:23:23,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:23:23,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:23:23,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:23:23,863 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:23:23,864 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:23:23,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2025-04-26 16:23:23,866 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2025-04-26 16:23:23,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:23:23,883 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:23:23,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:23:23,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:23:23,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:23:23,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,918 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:23:23,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:23:23,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:23:23,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:23:23,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:23:23,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,929 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:23:23,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:23:23,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:23:23,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:23:23,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/1) ... [2025-04-26 16:23:23,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:23,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:23,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:23,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-04-26 16:23:23,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 16:23:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 16:23:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 16:23:23,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 16:23:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 16:23:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 16:23:23,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:23:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:23:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:23:23,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 16:23:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 16:23:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 16:23:23,991 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:23:24,029 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:23:24,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:23:24,119 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:23:24,120 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:23:24,136 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:23:24,136 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:23:24,137 INFO L201 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:23:24 BoogieIcfgContainer [2025-04-26 16:23:24,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:23:24,138 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:23:24,138 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:23:24,143 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:23:24,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:23:24,143 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:23" (1/2) ... [2025-04-26 16:23:24,145 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fa57046 and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:23:24, skipping insertion in model container [2025-04-26 16:23:24,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:23:24,145 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:23:24" (2/2) ... [2025-04-26 16:23:24,147 INFO L376 chiAutomizerObserver]: Analyzing ICFG mts.wvr.bpl [2025-04-26 16:23:24,202 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-26 16:23:24,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 85 flow [2025-04-26 16:23:24,255 INFO L116 PetriNetUnfolderBase]: 3/26 cut-off events. [2025-04-26 16:23:24,257 INFO L117 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-04-26 16:23:24,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 35 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2025-04-26 16:23:24,262 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 85 flow [2025-04-26 16:23:24,268 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2025-04-26 16:23:24,268 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 33 places, 26 transitions, 70 flow [2025-04-26 16:23:24,277 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:23:24,277 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:23:24,277 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:23:24,277 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:23:24,277 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:23:24,277 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:23:24,278 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:23:24,278 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:23:24,279 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-04-26 16:23:24,326 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 84 [2025-04-26 16:23:24,327 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:23:24,327 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:23:24,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-04-26 16:23:24,330 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:23:24,330 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:23:24,330 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 113 states, but on-demand construction may add more states [2025-04-26 16:23:24,336 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 84 [2025-04-26 16:23:24,336 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:23:24,336 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:23:24,336 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-04-26 16:23:24,336 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:23:24,340 INFO L752 eck$LassoCheckResult]: Stem: "[65] $Ultimate##0-->L58: Formula: (<= 0 v_M_3) InVars {M=v_M_3} OutVars{M=v_M_3} AuxVars[] AssignedVars[]" "[50] L58-->L59: Formula: (< v_M_4 v_N_3) InVars {M=v_M_4, N=v_N_3} OutVars{M=v_M_4, N=v_N_3} AuxVars[] AssignedVars[]" "[45] L59-->L60: Formula: (and (= v_i_6 v_mts3_1) (= v_i_6 v_sum_1) (= v_i_6 0) (= v_i_6 v_mts1_3) (= v_j_6 v_i_6) (= v_i_6 v_mts2_3)) InVars {sum=v_sum_1, i=v_i_6, mts1=v_mts1_3, mts3=v_mts3_1, mts2=v_mts2_3, j=v_j_6} OutVars{sum=v_sum_1, i=v_i_6, mts1=v_mts1_3, mts3=v_mts3_1, mts2=v_mts2_3, j=v_j_6} AuxVars[] AssignedVars[]" "[61] L60-->L61: Formula: (= v_M_5 v_k_1) InVars {M=v_M_5, k=v_k_1} OutVars{M=v_M_5, k=v_k_1} AuxVars[] AssignedVars[]" "[83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-04-26 16:23:24,340 INFO L754 eck$LassoCheckResult]: Loop: "[70] L24-1-->L24: Formula: (< v_i_1 v_N_1) InVars {i=v_i_1, N=v_N_1} OutVars{i=v_i_1, N=v_N_1} AuxVars[] AssignedVars[]" "[72] L24-->L24-1: Formula: (and (= (+ v_i_8 1) v_i_7) (= (let ((.cse0 (+ (select v_A_5 v_i_8) v_mts1_6))) (ite (< .cse0 0) 0 .cse0)) v_mts1_5)) InVars {A=v_A_5, i=v_i_8, mts1=v_mts1_6} OutVars{A=v_A_5, i=v_i_7, mts1=v_mts1_5} AuxVars[] AssignedVars[i, mts1]" [2025-04-26 16:23:24,344 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:24,344 INFO L85 PathProgramCache]: Analyzing trace with hash 90192785, now seen corresponding path program 1 times [2025-04-26 16:23:24,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:24,349 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658184010] [2025-04-26 16:23:24,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:24,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:24,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:23:24,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:23:24,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:24,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:24,403 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:24,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:23:24,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:23:24,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:24,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:24,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:24,424 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:24,424 INFO L85 PathProgramCache]: Analyzing trace with hash 3203, now seen corresponding path program 1 times [2025-04-26 16:23:24,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:24,425 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861798255] [2025-04-26 16:23:24,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:24,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:24,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:24,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:24,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:24,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:24,437 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:24,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:24,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:24,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:24,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:24,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:24,448 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:24,448 INFO L85 PathProgramCache]: Analyzing trace with hash 775922707, now seen corresponding path program 1 times [2025-04-26 16:23:24,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:24,448 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216306911] [2025-04-26 16:23:24,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:24,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:24,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:23:24,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:23:24,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:24,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:24,468 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:24,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:23:24,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:23:24,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:24,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:24,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:24,667 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:23:24,668 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:23:24,668 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:23:24,668 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:23:24,668 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:23:24,668 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:24,668 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:23:24,669 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:23:24,669 INFO L132 ssoRankerPreferences]: Filename of dumped script: mts.wvr.bpl_petrified1_Iteration1_Lasso [2025-04-26 16:23:24,669 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:23:24,669 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:23:24,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:24,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:24,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:24,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:24,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:24,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:24,910 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:23:24,931 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:23:24,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:24,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:24,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:24,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-04-26 16:23:24,938 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 [2025-04-26 16:23:24,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:24,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:24,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:24,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:24,959 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:23:24,959 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:23:24,966 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:23:24,982 INFO L436 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2025-04-26 16:23:24,982 INFO L437 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-04-26 16:23:24,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:24,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:24,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:24,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-04-26 16:23:24,989 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:23:25,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:25,010 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:23:25,011 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:23:25,011 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2025-04-26 16:23:25,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-04-26 16:23:25,022 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:23:25,051 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:25,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:23:25,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:23:25,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:25,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:23:25,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:25,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:25,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:25,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:25,107 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:23:25,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:23:25,148 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 [2025-04-26 16:23:25,151 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 113 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:23:25,253 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 113 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 301 states and 946 transitions. Complement of second has 7 states. [2025-04-26 16:23:25,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:23:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:23:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2025-04-26 16:23:25,262 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 5 letters. Loop has 2 letters. [2025-04-26 16:23:25,263 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:25,263 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 7 letters. Loop has 2 letters. [2025-04-26 16:23:25,263 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:25,263 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 5 letters. Loop has 4 letters. [2025-04-26 16:23:25,263 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:25,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 301 states and 946 transitions. [2025-04-26 16:23:25,275 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 70 [2025-04-26 16:23:25,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 301 states to 185 states and 589 transitions. [2025-04-26 16:23:25,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 85 [2025-04-26 16:23:25,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2025-04-26 16:23:25,283 INFO L74 IsDeterministic]: Start isDeterministic. Operand 185 states and 589 transitions. [2025-04-26 16:23:25,283 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:23:25,283 INFO L218 hiAutomatonCegarLoop]: Abstraction has 185 states and 589 transitions. [2025-04-26 16:23:25,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 589 transitions. [2025-04-26 16:23:25,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 137. [2025-04-26 16:23:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 3.2481751824817517) internal successors, (in total 445), 136 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:23:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 445 transitions. [2025-04-26 16:23:25,317 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 445 transitions. [2025-04-26 16:23:25,317 INFO L438 stractBuchiCegarLoop]: Abstraction has 137 states and 445 transitions. [2025-04-26 16:23:25,317 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:23:25,317 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 445 transitions. [2025-04-26 16:23:25,319 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 70 [2025-04-26 16:23:25,320 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:23:25,320 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:23:25,320 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-04-26 16:23:25,320 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:23:25,320 INFO L752 eck$LassoCheckResult]: Stem: "[65] $Ultimate##0-->L58: Formula: (<= 0 v_M_3) InVars {M=v_M_3} OutVars{M=v_M_3} AuxVars[] AssignedVars[]" "[50] L58-->L59: Formula: (< v_M_4 v_N_3) InVars {M=v_M_4, N=v_N_3} OutVars{M=v_M_4, N=v_N_3} AuxVars[] AssignedVars[]" "[45] L59-->L60: Formula: (and (= v_i_6 v_mts3_1) (= v_i_6 v_sum_1) (= v_i_6 0) (= v_i_6 v_mts1_3) (= v_j_6 v_i_6) (= v_i_6 v_mts2_3)) InVars {sum=v_sum_1, i=v_i_6, mts1=v_mts1_3, mts3=v_mts3_1, mts2=v_mts2_3, j=v_j_6} OutVars{sum=v_sum_1, i=v_i_6, mts1=v_mts1_3, mts3=v_mts3_1, mts2=v_mts2_3, j=v_j_6} AuxVars[] AssignedVars[]" "[61] L60-->L61: Formula: (= v_M_5 v_k_1) InVars {M=v_M_5, k=v_k_1} OutVars{M=v_M_5, k=v_k_1} AuxVars[] AssignedVars[]" "[83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[86] L61-1-->L35-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" [2025-04-26 16:23:25,320 INFO L754 eck$LassoCheckResult]: Loop: "[74] L35-1-->L35: Formula: (< v_j_1 v_M_1) InVars {M=v_M_1, j=v_j_1} OutVars{M=v_M_1, j=v_j_1} AuxVars[] AssignedVars[]" "[76] L35-->L35-1: Formula: (and (= (let ((.cse0 (+ v_mts2_6 (select v_A_7 v_j_8)))) (ite (< .cse0 0) 0 .cse0)) v_mts2_5) (= (+ v_j_8 1) v_j_7)) InVars {A=v_A_7, mts2=v_mts2_6, j=v_j_8} OutVars{A=v_A_7, mts2=v_mts2_5, j=v_j_7} AuxVars[] AssignedVars[j, mts2]" [2025-04-26 16:23:25,321 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:25,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1498990875, now seen corresponding path program 1 times [2025-04-26 16:23:25,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:25,321 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246467535] [2025-04-26 16:23:25,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:25,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:25,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:23:25,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:23:25,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:25,328 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:25,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:23:25,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:23:25,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:25,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:25,338 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:25,338 INFO L85 PathProgramCache]: Analyzing trace with hash 3331, now seen corresponding path program 1 times [2025-04-26 16:23:25,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:25,338 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856157610] [2025-04-26 16:23:25,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:25,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:25,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:25,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:25,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:25,345 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:25,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:25,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:25,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:25,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:25,351 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:25,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1716184345, now seen corresponding path program 1 times [2025-04-26 16:23:25,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:25,351 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032439360] [2025-04-26 16:23:25,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:25,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:25,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:23:25,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:23:25,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:25,366 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:25,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:23:25,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:23:25,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:25,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:25,495 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:23:25,495 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:23:25,495 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:23:25,495 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:23:25,495 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:23:25,495 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:25,496 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:23:25,496 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:23:25,496 INFO L132 ssoRankerPreferences]: Filename of dumped script: mts.wvr.bpl_petrified1_Iteration2_Lasso [2025-04-26 16:23:25,496 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:23:25,496 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:23:25,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:25,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:25,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:25,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:25,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:25,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:25,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:25,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:25,662 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:23:25,662 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:23:25,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:25,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:25,664 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:25,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-04-26 16:23:25,667 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 [2025-04-26 16:23:25,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:25,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:25,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:25,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:25,679 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:23:25,679 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:23:25,681 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:23:25,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-04-26 16:23:25,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:25,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:25,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:25,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-04-26 16:23:25,692 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 [2025-04-26 16:23:25,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:25,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:25,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:25,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:25,704 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:23:25,704 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:23:25,710 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:23:25,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:25,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:25,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:25,718 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:25,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-04-26 16:23:25,722 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 [2025-04-26 16:23:25,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:25,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:25,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:25,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:25,737 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:23:25,737 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:23:25,740 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:23:25,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-04-26 16:23:25,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:25,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:25,752 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:25,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-04-26 16:23:25,755 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 [2025-04-26 16:23:25,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:25,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:25,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:25,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:25,769 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:23:25,769 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:23:25,772 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:23:25,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-04-26 16:23:25,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:25,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:25,781 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:25,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-04-26 16:23:25,783 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 [2025-04-26 16:23:25,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:25,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:25,794 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-04-26 16:23:25,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:25,805 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2025-04-26 16:23:25,805 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-04-26 16:23:25,816 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:23:25,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-04-26 16:23:25,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:25,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:25,825 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:25,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-04-26 16:23:25,827 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 [2025-04-26 16:23:25,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:25,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:25,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:25,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:25,840 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:23:25,840 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:23:25,845 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:23:25,854 INFO L436 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-04-26 16:23:25,855 INFO L437 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-04-26 16:23:25,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:25,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:25,857 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:25,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-04-26 16:23:25,859 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:23:25,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-04-26 16:23:25,877 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:23:25,877 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:23:25,877 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(M, j) = 1*M - 1*j Supporting invariants [] [2025-04-26 16:23:25,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:25,884 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:23:25,896 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:25,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:23:25,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:23:25,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:25,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:23:25,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:25,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:25,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:25,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:25,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:25,918 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:23:25,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:23:25,930 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 [2025-04-26 16:23:25,930 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 445 transitions. cyclomatic complexity: 347 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:23:25,985 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 445 transitions. cyclomatic complexity: 347. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 409 states and 1404 transitions. Complement of second has 6 states. [2025-04-26 16:23:25,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:23:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:23:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 47 transitions. [2025-04-26 16:23:25,987 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 6 letters. Loop has 2 letters. [2025-04-26 16:23:25,987 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:25,987 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 8 letters. Loop has 2 letters. [2025-04-26 16:23:25,987 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:25,987 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 6 letters. Loop has 4 letters. [2025-04-26 16:23:25,988 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:25,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 409 states and 1404 transitions. [2025-04-26 16:23:25,994 INFO L131 ngComponentsAnalysis]: Automaton has 21 accepting balls. 42 [2025-04-26 16:23:25,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 409 states to 231 states and 791 transitions. [2025-04-26 16:23:25,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2025-04-26 16:23:25,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 130 [2025-04-26 16:23:25,998 INFO L74 IsDeterministic]: Start isDeterministic. Operand 231 states and 791 transitions. [2025-04-26 16:23:25,998 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:23:25,998 INFO L218 hiAutomatonCegarLoop]: Abstraction has 231 states and 791 transitions. [2025-04-26 16:23:26,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 791 transitions. [2025-04-26 16:23:26,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 190. [2025-04-26 16:23:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 190 states have (on average 3.5736842105263156) internal successors, (in total 679), 189 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:23:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 679 transitions. [2025-04-26 16:23:26,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 190 states and 679 transitions. [2025-04-26 16:23:26,016 INFO L438 stractBuchiCegarLoop]: Abstraction has 190 states and 679 transitions. [2025-04-26 16:23:26,016 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:23:26,016 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 190 states and 679 transitions. [2025-04-26 16:23:26,017 INFO L131 ngComponentsAnalysis]: Automaton has 21 accepting balls. 42 [2025-04-26 16:23:26,017 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:23:26,017 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:23:26,017 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:23:26,017 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:23:26,018 INFO L752 eck$LassoCheckResult]: Stem: "[65] $Ultimate##0-->L58: Formula: (<= 0 v_M_3) InVars {M=v_M_3} OutVars{M=v_M_3} AuxVars[] AssignedVars[]" "[50] L58-->L59: Formula: (< v_M_4 v_N_3) InVars {M=v_M_4, N=v_N_3} OutVars{M=v_M_4, N=v_N_3} AuxVars[] AssignedVars[]" "[45] L59-->L60: Formula: (and (= v_i_6 v_mts3_1) (= v_i_6 v_sum_1) (= v_i_6 0) (= v_i_6 v_mts1_3) (= v_j_6 v_i_6) (= v_i_6 v_mts2_3)) InVars {sum=v_sum_1, i=v_i_6, mts1=v_mts1_3, mts3=v_mts3_1, mts2=v_mts2_3, j=v_j_6} OutVars{sum=v_sum_1, i=v_i_6, mts1=v_mts1_3, mts3=v_mts3_1, mts2=v_mts2_3, j=v_j_6} AuxVars[] AssignedVars[]" "[61] L60-->L61: Formula: (= v_M_5 v_k_1) InVars {M=v_M_5, k=v_k_1} OutVars{M=v_M_5, k=v_k_1} AuxVars[] AssignedVars[]" "[83] L61-->L24-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[86] L61-1-->L35-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[89] L62-->L46-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" [2025-04-26 16:23:26,018 INFO L754 eck$LassoCheckResult]: Loop: "[78] L46-1-->L46: Formula: (< v_k_2 v_N_4) InVars {k=v_k_2, N=v_N_4} OutVars{k=v_k_2, N=v_N_4} AuxVars[] AssignedVars[]" "[80] L46-->L46-1: Formula: (let ((.cse0 (select v_A_11 v_k_13))) (and (= (+ .cse0 v_sum_10) v_sum_9) (= v_k_12 (+ v_k_13 1)) (= (let ((.cse1 (+ .cse0 v_mts3_6))) (ite (< .cse1 0) 0 .cse1)) v_mts3_5))) InVars {sum=v_sum_10, A=v_A_11, mts3=v_mts3_6, k=v_k_13} OutVars{sum=v_sum_9, A=v_A_11, mts3=v_mts3_5, k=v_k_12} AuxVars[] AssignedVars[sum, k, mts3]" [2025-04-26 16:23:26,018 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:26,018 INFO L85 PathProgramCache]: Analyzing trace with hash 775923220, now seen corresponding path program 1 times [2025-04-26 16:23:26,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:26,018 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902327737] [2025-04-26 16:23:26,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:26,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:26,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:23:26,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:23:26,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:26,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:26,022 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:26,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:23:26,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:23:26,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:26,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:26,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:26,027 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:26,027 INFO L85 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 1 times [2025-04-26 16:23:26,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:26,027 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74707364] [2025-04-26 16:23:26,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:26,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:26,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:26,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:26,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:26,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:26,035 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:26,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:26,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:26,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:26,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:26,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:26,042 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:26,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1662092586, now seen corresponding path program 1 times [2025-04-26 16:23:26,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:26,042 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397856216] [2025-04-26 16:23:26,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:26,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:26,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:23:26,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:23:26,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:26,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:26,049 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:26,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:23:26,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:23:26,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:26,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:26,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:26,210 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:23:26,210 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:23:26,210 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:23:26,210 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:23:26,210 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:23:26,210 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:26,210 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:23:26,210 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:23:26,210 INFO L132 ssoRankerPreferences]: Filename of dumped script: mts.wvr.bpl_petrified1_Iteration3_Lasso [2025-04-26 16:23:26,210 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:23:26,210 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:23:26,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:26,383 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:23:26,383 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:23:26,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:26,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:26,386 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:26,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-04-26 16:23:26,388 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 [2025-04-26 16:23:26,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:26,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:26,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:26,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:26,400 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:23:26,400 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:23:26,403 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:23:26,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:26,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:26,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:26,411 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:26,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-04-26 16:23:26,414 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 [2025-04-26 16:23:26,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:26,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:26,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:26,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:26,425 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:23:26,425 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:23:26,428 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:23:26,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-04-26 16:23:26,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:26,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:26,435 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:26,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-04-26 16:23:26,438 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 [2025-04-26 16:23:26,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:26,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:26,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:26,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:26,450 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:23:26,450 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:23:26,455 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:23:26,459 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 16:23:26,459 INFO L437 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-04-26 16:23:26,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:26,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:26,461 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:23:26,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-04-26 16:23:26,463 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:23:26,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:26,479 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:23:26,479 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:23:26,479 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2025-04-26 16:23:26,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:26,485 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:23:26,496 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:26,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:23:26,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:23:26,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:26,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:26,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:23:26,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:26,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:26,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:26,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:26,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:26,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:23:26,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:23:26,528 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 [2025-04-26 16:23:26,528 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 190 states and 679 transitions. cyclomatic complexity: 530 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:23:26,580 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 190 states and 679 transitions. cyclomatic complexity: 530. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 507 states and 1780 transitions. Complement of second has 6 states. [2025-04-26 16:23:26,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:23:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:23:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 48 transitions. [2025-04-26 16:23:26,581 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 48 transitions. Stem has 7 letters. Loop has 2 letters. [2025-04-26 16:23:26,582 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:26,582 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 48 transitions. Stem has 9 letters. Loop has 2 letters. [2025-04-26 16:23:26,582 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:26,582 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 48 transitions. Stem has 7 letters. Loop has 4 letters. [2025-04-26 16:23:26,582 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:26,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 507 states and 1780 transitions. [2025-04-26 16:23:26,586 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:23:26,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 507 states to 0 states and 0 transitions. [2025-04-26 16:23:26,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:23:26,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:23:26,586 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:23:26,587 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:23:26,587 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:23:26,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:23:26,587 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:23:26,587 INFO L340 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-04-26 16:23:26,587 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:23:26,587 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:23:26,587 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:23:26,591 INFO L201 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:23:26 BoogieIcfgContainer [2025-04-26 16:23:26,591 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:23:26,592 INFO L158 Benchmark]: Toolchain (without parser) took 2708.92ms. Allocated memory was 159.4MB in the beginning and 142.6MB in the end (delta: -16.8MB). Free memory was 85.9MB in the beginning and 59.9MB in the end (delta: 26.0MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. [2025-04-26 16:23:26,592 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.81ms. Allocated memory is still 159.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:23:26,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.34ms. Allocated memory is still 159.4MB. Free memory was 85.9MB in the beginning and 84.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:23:26,592 INFO L158 Benchmark]: Boogie Preprocessor took 18.26ms. Allocated memory is still 159.4MB. Free memory was 84.0MB in the beginning and 83.0MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:23:26,593 INFO L158 Benchmark]: RCFGBuilder took 198.23ms. Allocated memory is still 159.4MB. Free memory was 83.0MB in the beginning and 72.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:23:26,593 INFO L158 Benchmark]: BuchiAutomizer took 2453.52ms. Allocated memory was 159.4MB in the beginning and 142.6MB in the end (delta: -16.8MB). Free memory was 72.6MB in the beginning and 59.9MB in the end (delta: 12.7MB). Peak memory consumption was 408.7kB. Max. memory is 8.0GB. [2025-04-26 16:23:26,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.81ms. Allocated memory is still 159.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.34ms. Allocated memory is still 159.4MB. Free memory was 85.9MB in the beginning and 84.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 18.26ms. Allocated memory is still 159.4MB. Free memory was 84.0MB in the beginning and 83.0MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 198.23ms. Allocated memory is still 159.4MB. Free memory was 83.0MB in the beginning and 72.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2453.52ms. Allocated memory was 159.4MB in the beginning and 142.6MB in the end (delta: -16.8MB). Free memory was 72.6MB in the beginning and 59.9MB in the end (delta: 12.7MB). Peak memory consumption was 408.7kB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 89 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 53 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital81 mio100 ax100 hnf100 lsp105 ukn60 mio100 lsp55 div100 bol100 ite100 ukn100 eq159 hnf96 smp100 dnf180 smp56 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s InitialAbstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 5 locations. One deterministic module has affine ranking function M + -1 * j and consists of 4 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:23:26,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...